./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.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_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/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_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/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_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/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 980b1737abc4897cffcf9ffd697bb8a6c2567cb964b43bf5603c43f896e3728c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:29:30,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:29:30,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:29:30,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:29:30,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:29:30,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:29:30,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:29:30,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:29:30,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:29:30,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:29:30,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:29:30,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:29:30,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:29:30,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:29:30,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:29:30,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:29:30,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:29:30,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:29:30,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:29:30,350 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:29:30,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:29:30,350 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:29:30,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:29:30,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:29:30,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:29:30,350 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:29:30,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:29:30,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:29:30,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:29:30,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:29:30,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:29:30,351 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:29:30,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:29:30,351 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_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/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 -> 980b1737abc4897cffcf9ffd697bb8a6c2567cb964b43bf5603c43f896e3728c [2024-12-06 00:29:30,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:29:30,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:29:30,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:29:30,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:29:30,590 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:29:30,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i [2024-12-06 00:29:33,181 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/data/88fe8770f/0d59d37e36e74ee193d6f247a7fa8626/FLAG1c53d41ae [2024-12-06 00:29:33,380 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:29:33,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i [2024-12-06 00:29:33,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/data/88fe8770f/0d59d37e36e74ee193d6f247a7fa8626/FLAG1c53d41ae [2024-12-06 00:29:33,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/data/88fe8770f/0d59d37e36e74ee193d6f247a7fa8626 [2024-12-06 00:29:33,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:29:33,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:29:33,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:29:33,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:29:33,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:29:33,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e244c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33, skipping insertion in model container [2024-12-06 00:29:33,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:29:33,876 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_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i[915,928] [2024-12-06 00:29:33,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:29:33,909 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:29:33,919 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_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i[915,928] [2024-12-06 00:29:33,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:29:33,942 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:29:33,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33 WrapperNode [2024-12-06 00:29:33,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:29:33,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:29:33,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:29:33,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:29:33,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,971 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61 [2024-12-06 00:29:33,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:29:33,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:29:33,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:29:33,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:29:33,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,985 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:29:33,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:29:33,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:29:33,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:29:33,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:33" (1/1) ... [2024-12-06 00:29:33,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:29:34,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:29:34,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:29:34,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:29:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:29:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:29:34,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:29:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:29:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:29:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:29:34,104 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:29:34,105 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:29:34,215 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 00:29:34,215 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:29:34,279 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:29:34,280 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:29:34,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:29:34 BoogieIcfgContainer [2024-12-06 00:29:34,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:29:34,281 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:29:34,281 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:29:34,288 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:29:34,288 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:29:34" (1/1) ... [2024-12-06 00:29:34,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:29:34,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:34,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 00:29:34,345 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 00:29:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:34,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:34,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:29:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:29:34,465 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:29:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:29:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:29:34,562 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:29:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:29:34,599 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:29:34,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:29:34 ImpRootNode [2024-12-06 00:29:34,626 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:29:34,627 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:29:34,627 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:29:34,627 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:29:34,627 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:29:34" (3/4) ... [2024-12-06 00:29:34,630 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:29:34,631 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:29:34,631 INFO L158 Benchmark]: Toolchain (without parser) took 877.57ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 68.5MB in the end (delta: 47.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 00:29:34,632 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:29:34,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.94ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 104.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:29:34,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.09ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:29:34,633 INFO L158 Benchmark]: Boogie Preprocessor took 20.05ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.4MB in the end (delta: 921.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:29:34,634 INFO L158 Benchmark]: RCFGBuilder took 288.14ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 87.3MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:29:34,634 INFO L158 Benchmark]: CodeCheck took 345.34ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 68.9MB in the end (delta: 18.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:29:34,634 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 68.5MB in the end (delta: 375.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:29:34,636 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 23 NumberOfCodeBlocks, 23 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 54, overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 31, overapproximation of someBinaryDOUBLEComparisonOperation at line 47. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] double var_1_2 = 999999.2; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 100.52; [L26] double var_1_5 = 31.2; [L27] float var_1_6 = 5.8; [L58] isInitial = 1 [L59] FCALL initially() [L61] FCALL updateLastVariables() [L62] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_double() [L42] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L20] COND FALSE !(!cond) [L42] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L43] var_1_3 = __VERIFIER_nondet_uchar() [L44] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L45] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L46] var_1_5 = __VERIFIER_nondet_double() [L47] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_6=29/5] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_6=29/5] [L48] var_1_6 = __VERIFIER_nondet_float() [L49] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25] [L62] RET updateVariables() [L63] CALL step() [L31] COND TRUE var_1_2 <= var_1_5 [L32] COND TRUE ! var_1_3 [L33] var_1_4 = var_1_6 [L36] COND FALSE !(1.125 >= var_1_4) [L63] RET step() [L64] CALL, EXPR property() [L54-L55] return ((1.125 >= var_1_4) ? (var_1_1 == ((unsigned char) (! (! var_1_3)))) : 1) && ((var_1_2 <= var_1_5) ? ((! var_1_3) ? (var_1_4 == ((float) var_1_6)) : 1) : 1) ; [L64] RET, EXPR property() [L64] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_6=2513/25] [L19] reach_error() VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_6=2513/25] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.94ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 104.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.09ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.05ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.4MB in the end (delta: 921.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 288.14ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 87.3MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 345.34ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 68.9MB in the end (delta: 18.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 68.5MB in the end (delta: 375.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:29:34,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/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_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/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_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/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_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/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 980b1737abc4897cffcf9ffd697bb8a6c2567cb964b43bf5603c43f896e3728c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:29:36,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:29:36,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:29:36,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:29:36,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:29:36,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:29:36,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:29:36,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:29:36,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:29:36,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:29:36,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:29:36,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:29:36,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:29:36,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:29:36,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:29:36,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:29:36,691 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:29:36,691 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:29:36,691 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:29:36,691 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:29:36,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:29:36,692 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:29:36,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:29:36,692 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:29:36,692 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:29:36,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:29:36,692 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:36,692 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:29:36,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:29:36,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:29:36,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:29:36,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:29:36,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:29:36,693 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:29:36,693 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:36,693 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:29:36,693 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_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/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 -> 980b1737abc4897cffcf9ffd697bb8a6c2567cb964b43bf5603c43f896e3728c [2024-12-06 00:29:36,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:29:36,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:29:36,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:29:36,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:29:36,942 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:29:36,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i [2024-12-06 00:29:39,611 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/data/494db8d9e/89268935a2044808945a8048275eddae/FLAGcdcf46f18 [2024-12-06 00:29:39,770 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:29:39,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i [2024-12-06 00:29:39,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/data/494db8d9e/89268935a2044808945a8048275eddae/FLAGcdcf46f18 [2024-12-06 00:29:40,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/data/494db8d9e/89268935a2044808945a8048275eddae [2024-12-06 00:29:40,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:29:40,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:29:40,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:29:40,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:29:40,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:29:40,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae5d663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40, skipping insertion in model container [2024-12-06 00:29:40,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:29:40,295 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_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i[915,928] [2024-12-06 00:29:40,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:29:40,328 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:29:40,335 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_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i[915,928] [2024-12-06 00:29:40,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:29:40,356 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:29:40,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40 WrapperNode [2024-12-06 00:29:40,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:29:40,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:29:40,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:29:40,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:29:40,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,384 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61 [2024-12-06 00:29:40,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:29:40,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:29:40,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:29:40,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:29:40,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,396 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:29:40,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:29:40,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:29:40,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:29:40,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:29:40,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:29:40,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:29:40,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:29:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:29:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:29:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:29:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:29:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:29:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:29:40,506 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:29:40,507 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:29:40,737 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 00:29:40,738 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:29:40,800 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:29:40,800 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:29:40,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:29:40 BoogieIcfgContainer [2024-12-06 00:29:40,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:29:40,801 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:29:40,801 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:29:40,813 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:29:40,813 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:29:40,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:40,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 00:29:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 00:29:40,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:40,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:40,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:40,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:40,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:40,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:29:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:41,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:41,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:29:41,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:43,519 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:29:43,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:29:44,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 00:29:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 00:29:44,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:44,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:44,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:44,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:44,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:44,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:29:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:44,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:44,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:29:44,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:29:45,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:29:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:45,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 00:29:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 00:29:45,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:45,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:45,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:45,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:45,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:45,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:29:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:46,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:46,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:29:46,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:47,486 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:29:47,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:29:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 00:29:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 00:29:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:47,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:47,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:47,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:47,499 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:47,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:29:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:48,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:48,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:29:48,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:49,078 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:29:49,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:29:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 00:29:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 00:29:49,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:49,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:49,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:49,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:49,090 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:49,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:29:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:49,618 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:49,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:29:49,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:29:50,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:29:50,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 00:29:50,579 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 00:29:50,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:50,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:50,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:50,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:50,581 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:50,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:29:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:51,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:51,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:29:51,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:29:51,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:29:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:51,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 00:29:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 00:29:51,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:51,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:51,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:51,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:51,950 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:51,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:29:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:52,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:52,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:29:52,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:53,368 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:29:53,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:29:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:53,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 00:29:53,376 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 00:29:53,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:53,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:53,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:53,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:53,378 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:53,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:29:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:53,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:53,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:29:53,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:54,717 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:29:54,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:29:54,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:54,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 00:29:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 00:29:54,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:54,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:54,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:54,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:54,729 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:54,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:29:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:55,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:55,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:29:55,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:56,342 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:29:56,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:29:56,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:56,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-12-06 00:29:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-12-06 00:29:56,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:56,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:56,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:56,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:56,689 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:56,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:29:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:57,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:57,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:29:57,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:29:58,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:29:58,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:58,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-12-06 00:29:58,098 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-12-06 00:29:58,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:58,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:58,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:58,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:58,100 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:58,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:29:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:58,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:58,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:29:58,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:29:59,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:29:59,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-12-06 00:29:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-12-06 00:29:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:29:59,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:59,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:59,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:59,469 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:59,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:29:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:59,969 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:59,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:29:59,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:00,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:30:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:00,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-12-06 00:30:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-12-06 00:30:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:00,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:00,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:00,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:00,982 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:00,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:30:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:01,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:01,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:01,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:02,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:30:02,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:02,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-12-06 00:30:02,377 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-12-06 00:30:02,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:02,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:02,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:02,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:02,382 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:02,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:30:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:02,888 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:02,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:02,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:03,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 00:30:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-12-06 00:30:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-12-06 00:30:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:04,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:04,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:04,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:04,012 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:04,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:30:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:04,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:04,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:04,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:05,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:30:05,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:05,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-12-06 00:30:05,445 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-12-06 00:30:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:05,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:05,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:05,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:05,447 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:05,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:30:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:05,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:05,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:05,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:06,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:30:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-12-06 00:30:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-12-06 00:30:06,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:06,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:06,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:06,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:06,816 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:06,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:30:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:07,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:07,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:07,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:08,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 00:30:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:08,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-12-06 00:30:08,387 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-12-06 00:30:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:08,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:08,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:08,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:08,390 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:08,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 00:30:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:08,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:08,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:08,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:09,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 00:30:09,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:09,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-12-06 00:30:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-12-06 00:30:09,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:09,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:09,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:09,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:09,705 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:09,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 00:30:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:10,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:10,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:10,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:11,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 00:30:11,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:11,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:11,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:11,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:11,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:11,396 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:11,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 00:30:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:11,897 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:11,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:11,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:12,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 00:30:13,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:13,035 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:13,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:13,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:13,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:13,037 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:13,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 00:30:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:13,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:13,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:13,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:14,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 00:30:14,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:14,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:14,396 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:14,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:14,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:14,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:14,398 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:14,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 00:30:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:14,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:14,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:14,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:15,751 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:15,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 00:30:15,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:15,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:15,759 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:15,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:15,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:15,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:15,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:15,761 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:15,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 00:30:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:16,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:16,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:16,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:17,041 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:17,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 00:30:17,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:17,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:17,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:17,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:17,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:17,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:17,122 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:17,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 00:30:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:17,629 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:17,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:17,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:18,401 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:18,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 00:30:18,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:18,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:18,408 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:18,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:18,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:18,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:18,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:18,410 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:18,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 00:30:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:18,905 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:18,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:18,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:19,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 00:30:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:19,801 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:19,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:19,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:19,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:19,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:19,804 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:19,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 00:30:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:20,318 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:20,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:20,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:21,205 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:21,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 00:30:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:21,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:21,281 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:21,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:21,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:21,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:21,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:21,283 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:21,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 00:30:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:21,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:21,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:21,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:22,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 00:30:22,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:22,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:22,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:22,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:22,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:22,836 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:22,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 00:30:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:23,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:23,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:23,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:24,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:24,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 00:30:24,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:24,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:24,249 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:24,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:24,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:24,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:24,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:24,251 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:24,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 00:30:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:24,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:24,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:24,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:25,532 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:25,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 00:30:25,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:25,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:25,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:25,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:25,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:25,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:25,542 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:25,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 00:30:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:26,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:26,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:26,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:26,878 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:26,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 00:30:26,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:26,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:26,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:26,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:26,942 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:26,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 00:30:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:27,432 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:27,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:27,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:28,194 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:28,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 00:30:28,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:28,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:28,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:28,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:28,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:28,203 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:28,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 00:30:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:28,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:28,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:28,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:29,499 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:29,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 00:30:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:29,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:29,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:29,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:29,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:29,508 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:29,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 00:30:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:30,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:30,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:30,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:30,879 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:30,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 00:30:30,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:30,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:30,947 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:30,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:30,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:30,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:30,949 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:30,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 00:30:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:31,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:31,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:31,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:32,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 00:30:32,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:32,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:32,342 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:32,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:32,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:32,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:32,344 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:32,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 00:30:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:32,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:32,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:32,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:33,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 00:30:33,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:33,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:33,759 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:33,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:33,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:33,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:33,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:33,761 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:33,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 00:30:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:34,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:34,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:34,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:35,189 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:35,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 00:30:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:35,196 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:35,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:35,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:35,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:35,198 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:35,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 00:30:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:35,688 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:35,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:35,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:36,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 00:30:36,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:36,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:36,417 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:36,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:36,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:36,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:36,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:36,418 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:36,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 00:30:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:36,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:36,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:36,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:37,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 00:30:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:37,758 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:37,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:37,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:37,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:37,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:37,760 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:37,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 00:30:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:38,246 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:38,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:38,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:39,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-12-06 00:30:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:39,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:39,170 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:39,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:39,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:39,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:39,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:39,172 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:39,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 00:30:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:39,653 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:39,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:39,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:40,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-12-06 00:30:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:40,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:40,628 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:40,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:40,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:40,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:40,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:40,630 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:40,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 00:30:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:41,117 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:41,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:41,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:42,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 00:30:42,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:42,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:42,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:42,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:42,033 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:42,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 00:30:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:42,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:42,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:42,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:43,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 00:30:43,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:43,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:43,424 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:43,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:43,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:43,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:43,426 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:43,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 00:30:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:43,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:43,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:43,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:44,817 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:44,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 00:30:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:44,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:44,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:44,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:44,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:44,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:44,827 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:44,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 00:30:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:45,320 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:45,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:45,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:46,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 00:30:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:46,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:46,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:46,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:46,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:46,141 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:46,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 00:30:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:46,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:46,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:46,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:47,482 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:47,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 00:30:47,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:47,561 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:47,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:47,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:47,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:47,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:47,564 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:47,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 00:30:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:48,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:48,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:48,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:48,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-12-06 00:30:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:48,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:48,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:48,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:48,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:48,905 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:48,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 00:30:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:49,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:49,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:49,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:50,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-12-06 00:30:50,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:50,265 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:50,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:50,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:50,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:50,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:50,267 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:50,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 00:30:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:50,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:50,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:50,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:51,596 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:51,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 00:30:51,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:51,666 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:51,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:51,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:51,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:51,668 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:51,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 00:30:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:52,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:52,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:52,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:53,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 00:30:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:53,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:53,052 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:53,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:53,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:53,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:53,054 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:53,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 00:30:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:53,546 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:53,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:53,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:54,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 00:30:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 00:30:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 00:30:54,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:54,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:54,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:54,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:54,292 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:54,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 00:30:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:54,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:54,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:30:54,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:56,938 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:56,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 00:30:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:57,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-06 00:30:57,884 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-06 00:30:57,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:57,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:57,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:57,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:57,885 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:57,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 00:30:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:58,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:58,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:58,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:30:59,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 00:30:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-06 00:30:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-06 00:30:59,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:30:59,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:59,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:59,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:59,305 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:59,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 00:30:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:59,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:59,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:30:59,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:00,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 00:31:00,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-06 00:31:00,638 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-06 00:31:00,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:00,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:00,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:00,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:00,640 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:00,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 00:31:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:01,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:01,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:31:01,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:01,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 00:31:02,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:02,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-06 00:31:02,082 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-06 00:31:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:02,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:02,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:02,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:02,084 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:02,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 00:31:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:02,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:02,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:02,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:03,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 00:31:03,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:03,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-06 00:31:03,372 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-06 00:31:03,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:03,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:03,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:03,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:03,373 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:03,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 00:31:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:03,860 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:03,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:03,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:04,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 00:31:04,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-06 00:31:04,751 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-06 00:31:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:04,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:04,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:04,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:04,753 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:04,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 00:31:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:05,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:05,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:05,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:06,190 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:06,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-12-06 00:31:06,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-06 00:31:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-06 00:31:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:06,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:06,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:06,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:06,199 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:06,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 00:31:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:06,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:06,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:06,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:07,540 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:07,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 00:31:07,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:07,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-06 00:31:07,549 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-06 00:31:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:07,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:07,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:07,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:07,551 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:07,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 00:31:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:08,060 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:08,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:08,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:08,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 00:31:08,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-06 00:31:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-06 00:31:08,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:08,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:08,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:08,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:08,947 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:08,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 00:31:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:09,437 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:09,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:09,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:10,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 00:31:10,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-06 00:31:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-06 00:31:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:10,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:10,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:10,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:10,225 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:10,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 00:31:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:10,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:10,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:31:10,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:11,650 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:11,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 00:31:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-06 00:31:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-06 00:31:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:11,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:11,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:11,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:11,739 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:11,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 00:31:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:12,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:12,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:12,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:13,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 00:31:13,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:13,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:13,265 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:13,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:13,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:13,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:13,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:13,267 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:13,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 00:31:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:13,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:13,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:31:13,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:14,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 00:31:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:14,687 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:14,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:14,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:14,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:14,689 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:14,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 00:31:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:15,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:15,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:15,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:16,034 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:16,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 00:31:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:16,044 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:16,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:16,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:16,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:16,046 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:16,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 00:31:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:16,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:16,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:16,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:17,376 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:17,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 00:31:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:17,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:17,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:17,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:17,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:17,385 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:17,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 00:31:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:17,878 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:17,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:17,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:18,675 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:18,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-06 00:31:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:18,683 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:18,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:18,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:18,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:18,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:18,684 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:18,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 00:31:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:19,169 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:19,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:19,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:19,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 00:31:19,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:19,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:19,953 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:19,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:19,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:19,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:19,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:19,955 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:19,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 00:31:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:20,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:20,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:20,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:21,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:21,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-06 00:31:21,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:21,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:21,412 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:21,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:21,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:21,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:21,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:21,414 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:21,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 00:31:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:21,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:21,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:21,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:22,753 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:22,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 00:31:22,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:22,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:22,761 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:22,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:22,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:22,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:22,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:22,763 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:22,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 00:31:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:23,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:23,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:23,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:24,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:24,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 00:31:24,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:24,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:24,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:24,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:24,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:24,089 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:24,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 00:31:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:24,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:24,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:31:24,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:26,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-06 00:31:26,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:26,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:26,612 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:26,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:26,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:26,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:26,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:26,614 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:26,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 00:31:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:27,164 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:27,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:27,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:28,181 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:28,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-06 00:31:28,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:28,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:28,188 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:28,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:28,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:28,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:28,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:28,190 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:28,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 00:31:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:28,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:28,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:28,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:29,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-06 00:31:29,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:29,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:29,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:29,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:29,474 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:29,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 00:31:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:29,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:30,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:30,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:30,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-06 00:31:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:30,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:30,882 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:30,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:30,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:30,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:30,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:30,883 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:30,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 00:31:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:31,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:31,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:31,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:32,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-06 00:31:32,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:32,365 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:32,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:32,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:32,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:32,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:32,367 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:32,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-06 00:31:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:32,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:32,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:32,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:33,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:33,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-06 00:31:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:33,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:33,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:33,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:33,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:33,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:33,879 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:33,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-06 00:31:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:34,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:34,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:34,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:35,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-06 00:31:35,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:35,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:35,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:35,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:35,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:35,392 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:35,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-06 00:31:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:35,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:35,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:35,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:36,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-06 00:31:36,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:36,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:36,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:36,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:36,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:36,803 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:36,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-06 00:31:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:37,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:37,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:31:37,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:38,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-12-06 00:31:38,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:38,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:38,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:38,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:38,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:38,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:38,296 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:38,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-06 00:31:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:38,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:38,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:38,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:39,764 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:39,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-06 00:31:39,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:39,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:39,772 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:39,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:39,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:39,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:39,773 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:39,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-06 00:31:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:40,318 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:40,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:40,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:41,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-06 00:31:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:41,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:41,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:41,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:41,425 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:41,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-06 00:31:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:41,980 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:42,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:31:42,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:42,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-12-06 00:31:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:43,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:43,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:43,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:43,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:43,077 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:43,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-06 00:31:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:43,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:43,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:43,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:44,337 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:44,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-06 00:31:44,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:44,344 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:44,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:44,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:44,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:44,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:44,346 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:44,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-06 00:31:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:44,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:44,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:44,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:45,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-06 00:31:45,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:45,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:45,795 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:45,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:45,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:45,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:45,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:45,797 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:45,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-06 00:31:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:46,281 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:46,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:46,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:47,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-06 00:31:47,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:47,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:47,237 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:47,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:47,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:47,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:47,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:47,238 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:47,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-06 00:31:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:47,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:47,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:47,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:48,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-06 00:31:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:48,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:48,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:48,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:48,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:48,699 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:48,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-06 00:31:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:49,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:49,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:49,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:50,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-12-06 00:31:50,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:50,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:50,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:50,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:50,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:50,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:50,102 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:50,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-06 00:31:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:50,563 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:50,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:50,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:51,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-06 00:31:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:51,304 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:51,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:51,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:51,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:51,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:51,306 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:51,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-06 00:31:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:51,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:51,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:31:51,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:52,711 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:52,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-06 00:31:52,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:52,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:52,836 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:52,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:52,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:52,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:52,838 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:52,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-06 00:31:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:53,400 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:53,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:53,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:54,265 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:54,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-06 00:31:54,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:54,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:54,273 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:54,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:54,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:54,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:54,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:54,275 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:54,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-06 00:31:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:54,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:54,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:54,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:55,813 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:55,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-06 00:31:55,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:55,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:55,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:55,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:55,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:55,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:55,823 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:55,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-06 00:31:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:56,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:56,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:56,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:57,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-06 00:31:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:57,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:57,191 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:57,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:57,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:57,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:57,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:57,193 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:57,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-06 00:31:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:57,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:57,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:57,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:31:58,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-12-06 00:31:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:58,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:31:58,670 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:31:58,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:31:58,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:58,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:58,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:58,672 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:58,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-06 00:31:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:59,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:59,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:31:59,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:00,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-06 00:32:00,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:00,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:00,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:00,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:00,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:00,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:00,155 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:00,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-06 00:32:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:00,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:00,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:00,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:01,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-06 00:32:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:01,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:01,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:01,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:01,643 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:01,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-06 00:32:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:02,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:02,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:02,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:03,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-06 00:32:03,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:03,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:03,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:03,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:03,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:03,077 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:03,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-06 00:32:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:03,593 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:03,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:03,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:04,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-06 00:32:04,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:04,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:04,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:04,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:04,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:04,430 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:04,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-06 00:32:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:04,922 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:04,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:04,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:05,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-12-06 00:32:05,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:05,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:05,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:05,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:05,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:05,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:05,699 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:05,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-06 00:32:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:06,201 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:06,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:06,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:07,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-06 00:32:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:07,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:07,024 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:07,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:07,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:07,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:07,026 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:07,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-06 00:32:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:07,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:07,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:07,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:08,462 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:08,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-06 00:32:08,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:08,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:08,470 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:08,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:08,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:08,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:08,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:08,471 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:08,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-06 00:32:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:08,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:08,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:32:08,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:09,939 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:09,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-06 00:32:10,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:10,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:10,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:10,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:10,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:10,036 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:10,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-06 00:32:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:10,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:10,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:10,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:11,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-12-06 00:32:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:11,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:11,369 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:11,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:11,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:11,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:11,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:11,371 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:11,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-06 00:32:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:11,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:11,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:11,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:12,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-06 00:32:12,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:12,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:12,736 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:12,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:12,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:12,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:12,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:12,737 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:12,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-06 00:32:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:13,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:13,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:13,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:14,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-12-06 00:32:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:14,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:14,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:14,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:14,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:14,166 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:14,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-06 00:32:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:14,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:14,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:14,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:15,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-06 00:32:15,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:15,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:15,602 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:15,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:15,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:15,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:15,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:15,604 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:15,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-06 00:32:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:16,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:16,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:16,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:16,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-12-06 00:32:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:16,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:16,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:16,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:16,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:16,968 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:16,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-06 00:32:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:17,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:17,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:17,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:18,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-06 00:32:18,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:18,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:18,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:18,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:18,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:18,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:18,299 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:18,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-06 00:32:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:18,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:18,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:32:18,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:20,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-12-06 00:32:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:20,678 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:20,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:20,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:20,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:20,680 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:20,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-06 00:32:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:21,164 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:21,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:21,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:21,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-12-06 00:32:21,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:21,984 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:21,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:21,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:21,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:21,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:21,986 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:21,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-06 00:32:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:22,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:22,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:22,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:23,330 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:23,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-12-06 00:32:23,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:23,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:23,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:23,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:23,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:23,339 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:23,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-06 00:32:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:23,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:23,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:23,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:24,621 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:24,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-06 00:32:24,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:24,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:24,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:24,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:24,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:24,630 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:24,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-06 00:32:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:25,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:25,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:25,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:25,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-06 00:32:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:25,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:25,971 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:25,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:25,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:25,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:25,972 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:25,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-06 00:32:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:26,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:26,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:26,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:27,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:27,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-12-06 00:32:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:27,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:27,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:27,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:27,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:27,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:27,233 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:27,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-06 00:32:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:27,766 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:27,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:27,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:28,575 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:28,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-12-06 00:32:28,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:28,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:28,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:28,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:28,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:28,585 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:28,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-06 00:32:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:29,066 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:29,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:29,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:29,881 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:29,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-12-06 00:32:29,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:29,889 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:29,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:29,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:29,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:29,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:29,891 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:29,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-06 00:32:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:30,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:30,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:30,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:31,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-12-06 00:32:31,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:31,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:31,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:31,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:31,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:31,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:31,279 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:31,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-06 00:32:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:31,763 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:31,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:31,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:32,618 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:32,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-06 00:32:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:32,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:32,626 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:32,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:32,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:32,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:32,628 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:32,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-06 00:32:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:33,114 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:33,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:33,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:33,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-12-06 00:32:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:33,966 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:33,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:33,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:33,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:33,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:33,968 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:33,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-06 00:32:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:34,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:34,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:32:34,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:35,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-12-06 00:32:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:35,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:35,400 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:35,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:35,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:35,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:35,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:35,402 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:35,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-06 00:32:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:35,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:35,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:35,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:36,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-06 00:32:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:36,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:36,784 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:36,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:36,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:36,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:36,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:36,786 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:36,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-06 00:32:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:37,274 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:37,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:37,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:38,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-12-06 00:32:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:38,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:38,259 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:38,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:38,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:38,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:38,261 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:38,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-06 00:32:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:38,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:38,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:32:38,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:39,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-06 00:32:39,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:39,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:39,765 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:39,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:39,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:39,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:39,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:39,767 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:39,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-06 00:32:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:40,254 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:40,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:32:40,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:41,213 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:41,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-12-06 00:32:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:41,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:41,315 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:41,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:41,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:41,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:41,317 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:41,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-06 00:32:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:41,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:41,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:32:41,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:42,783 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:42,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-12-06 00:32:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:42,876 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:42,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:42,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:42,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:42,878 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:42,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-06 00:32:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:43,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:43,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:43,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:44,178 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:44,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-12-06 00:32:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:44,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:44,186 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:44,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:44,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:44,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:44,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:44,188 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:44,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-06 00:32:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:44,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:44,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:44,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:45,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-12-06 00:32:45,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:45,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:45,448 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:45,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:45,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:45,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:45,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:45,450 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:45,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-06 00:32:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:45,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:45,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:45,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:46,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:46,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-12-06 00:32:46,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:46,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:46,813 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:46,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:46,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:46,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:46,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:46,815 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:46,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-06 00:32:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:47,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:47,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:47,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:48,245 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:48,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-12-06 00:32:48,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:48,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:48,253 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:48,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:48,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:48,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:48,254 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:48,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-06 00:32:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:48,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:48,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:48,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:49,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-12-06 00:32:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:49,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:49,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:49,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:49,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:49,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:49,614 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:49,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-06 00:32:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:50,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:50,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:50,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:50,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-12-06 00:32:50,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:50,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:50,999 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:50,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:50,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:51,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:51,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:51,001 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:51,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-06 00:32:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:51,486 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:51,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:51,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:52,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:52,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-12-06 00:32:52,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:52,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:52,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:52,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:52,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:52,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:52,337 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:52,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-12-06 00:32:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:52,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:52,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:52,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:53,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-12-06 00:32:53,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:53,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:53,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:53,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:53,621 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:53,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-12-06 00:32:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:54,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:54,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:54,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:54,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-12-06 00:32:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:54,963 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:54,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:54,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:54,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:54,965 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:54,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-12-06 00:32:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:55,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:55,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:55,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:56,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-12-06 00:32:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:56,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:56,575 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:56,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:56,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:56,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:56,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:56,577 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:56,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-12-06 00:32:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:57,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:57,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:57,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:57,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-12-06 00:32:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:57,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:57,840 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:57,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:57,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:57,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:57,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:57,842 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:57,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-12-06 00:32:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:58,324 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:58,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:32:58,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:59,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-12-06 00:32:59,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:59,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:32:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:32:59,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:32:59,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:59,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:59,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:59,444 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:59,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-12-06 00:32:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:59,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:59,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:32:59,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:00,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-12-06 00:33:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:00,742 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:00,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:00,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:00,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:00,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:00,744 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:00,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-12-06 00:33:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:01,223 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:01,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:01,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:02,226 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:02,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-12-06 00:33:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:02,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:02,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:02,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:02,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:02,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:02,320 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:02,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-12-06 00:33:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:02,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:02,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:02,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:03,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2024-12-06 00:33:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:03,767 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:03,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:03,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:03,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:03,769 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:03,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-12-06 00:33:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:04,254 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:04,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:04,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:05,082 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:05,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-12-06 00:33:05,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:05,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:05,170 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:05,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:05,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:05,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:05,172 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:05,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-12-06 00:33:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:05,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:05,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:05,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:06,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-12-06 00:33:06,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:06,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:06,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:06,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:06,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:06,657 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:06,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-12-06 00:33:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:07,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:07,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:07,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:07,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-12-06 00:33:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:07,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:07,917 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:07,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:07,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:07,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:07,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:07,919 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:07,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-12-06 00:33:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:08,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:08,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:08,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:09,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-12-06 00:33:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:09,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:09,257 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:09,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:09,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:09,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:09,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:09,258 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:09,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-12-06 00:33:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:09,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:09,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:09,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:10,575 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:10,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-12-06 00:33:10,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:10,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:10,667 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:10,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:10,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:10,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:10,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:10,669 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:10,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-12-06 00:33:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:11,158 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:11,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:11,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:12,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-12-06 00:33:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:12,968 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:12,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:12,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:12,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:12,969 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:12,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-12-06 00:33:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:13,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:13,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:13,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:14,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-12-06 00:33:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:14,190 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:14,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:14,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:14,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:14,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:14,191 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:14,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-12-06 00:33:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:14,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:14,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:14,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:15,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Forceful destruction successful, exit code 0 [2024-12-06 00:33:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:15,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:15,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:15,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:15,502 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:15,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-12-06 00:33:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:15,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:16,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:16,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:16,877 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:16,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-12-06 00:33:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:16,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:16,885 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:16,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:16,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:16,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:16,887 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:16,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-12-06 00:33:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:17,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:17,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:17,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:18,176 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:18,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-12-06 00:33:18,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:18,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:18,183 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:18,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:18,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:18,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:18,185 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:18,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-12-06 00:33:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:18,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:18,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:18,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:19,586 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:19,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-12-06 00:33:19,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:19,695 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:19,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:19,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:19,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:19,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:19,697 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:19,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-12-06 00:33:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:20,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:20,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:20,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:21,175 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:21,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-12-06 00:33:21,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:21,268 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:21,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:21,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:21,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:21,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:21,269 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:21,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-12-06 00:33:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:21,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:21,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:21,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:22,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-12-06 00:33:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:22,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:22,628 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:22,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:22,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:22,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:22,629 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:22,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-12-06 00:33:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:23,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:23,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:23,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:24,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-12-06 00:33:24,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:24,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:24,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:24,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:24,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:24,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:24,151 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:24,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-12-06 00:33:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:24,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:24,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:24,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:25,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-12-06 00:33:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:25,593 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:25,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:25,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:25,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:25,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:25,595 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:25,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-12-06 00:33:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:26,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:26,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:26,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:26,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-12-06 00:33:26,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:26,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:26,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:26,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:26,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:26,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:26,983 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:26,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-12-06 00:33:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:27,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:27,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:27,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:28,448 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:28,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2024-12-06 00:33:28,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:28,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:28,543 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:28,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:28,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:28,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:28,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:28,544 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:28,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-12-06 00:33:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:29,030 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:29,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:29,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:29,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-12-06 00:33:29,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:29,895 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:29,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:29,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:29,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:29,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:29,897 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:29,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-12-06 00:33:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:30,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:30,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:30,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:31,209 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:31,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-12-06 00:33:31,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:31,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:31,216 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:31,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:31,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:31,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:31,218 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:31,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-12-06 00:33:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:31,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:31,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:31,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:32,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-12-06 00:33:32,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:32,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:32,513 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:32,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:32,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:32,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:32,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:32,515 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:32,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-12-06 00:33:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:33,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:33,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:33,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:33,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-12-06 00:33:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:34,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:34,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:34,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:34,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:34,015 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:34,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-12-06 00:33:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:34,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:34,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:34,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:35,339 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:35,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-12-06 00:33:35,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:35,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:35,346 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:35,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:35,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:35,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:35,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:35,348 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:35,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-12-06 00:33:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:35,839 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:35,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:35,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:36,649 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:36,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-12-06 00:33:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:36,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:36,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:36,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:36,747 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:36,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-12-06 00:33:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:37,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:37,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:37,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:38,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-12-06 00:33:38,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:38,228 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:38,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:38,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:38,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:38,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:38,229 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:38,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-12-06 00:33:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:38,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:38,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:38,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:39,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Forceful destruction successful, exit code 0 [2024-12-06 00:33:39,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:39,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:39,557 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:39,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:39,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:39,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:39,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:39,559 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:39,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-12-06 00:33:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:40,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:40,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:40,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:40,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-12-06 00:33:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:40,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:40,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:40,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:40,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:40,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:40,881 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:40,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-12-06 00:33:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:41,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:41,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:41,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:42,217 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:42,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-12-06 00:33:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:42,225 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:42,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:42,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:42,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:42,227 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:42,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-12-06 00:33:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:42,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:42,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:42,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:43,530 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:43,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-12-06 00:33:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:43,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:43,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:43,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:43,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:43,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:43,539 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:43,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-12-06 00:33:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:44,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:44,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:44,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:44,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-12-06 00:33:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:44,866 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:44,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:44,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:44,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:44,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:44,868 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:44,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-12-06 00:33:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:45,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:45,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:45,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:46,087 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:46,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-12-06 00:33:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:46,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:46,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:46,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:46,098 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:46,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-12-06 00:33:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:46,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:46,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:46,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:47,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-12-06 00:33:47,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:47,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:47,377 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:47,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:47,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:47,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:47,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:47,379 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:47,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-12-06 00:33:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:47,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:47,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:47,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:48,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-12-06 00:33:48,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:48,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:48,599 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:48,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:48,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:48,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:48,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:48,601 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:48,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-12-06 00:33:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:49,090 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:49,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:49,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:49,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-12-06 00:33:49,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:49,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:49,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:49,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:49,927 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:49,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-12-06 00:33:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:50,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:50,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:50,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:51,306 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:51,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-12-06 00:33:51,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:51,313 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:51,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:51,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:51,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:51,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:51,315 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:51,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-12-06 00:33:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:51,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:51,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:51,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:52,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-12-06 00:33:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:52,623 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:52,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:52,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:52,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:52,625 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:52,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-12-06 00:33:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:53,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:53,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:53,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:53,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-12-06 00:33:53,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:53,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:53,842 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:53,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:53,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:53,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:53,844 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:53,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-12-06 00:33:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:54,340 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:54,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:54,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:55,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-12-06 00:33:55,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:55,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:55,198 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:55,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:55,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:55,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:55,199 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:55,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-12-06 00:33:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:55,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:55,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:55,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:56,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-12-06 00:33:56,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:56,524 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:56,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:56,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:56,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:56,526 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:56,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-12-06 00:33:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:57,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:57,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:57,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:57,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Forceful destruction successful, exit code 0 [2024-12-06 00:33:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:57,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:57,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:57,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:57,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:57,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:57,874 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:57,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-12-06 00:33:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:58,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:58,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:33:58,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:33:59,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-12-06 00:33:59,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:33:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:33:59,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:33:59,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:59,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:59,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:59,066 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:59,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-12-06 00:33:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:59,549 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:59,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:33:59,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:01,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-12-06 00:34:01,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:01,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:01,749 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:01,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:01,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:01,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:01,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:01,751 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:01,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-12-06 00:34:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:02,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:02,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:02,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:03,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-12-06 00:34:03,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:03,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:03,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:03,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:03,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:03,152 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:03,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-12-06 00:34:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:03,637 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:03,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:03,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:04,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-12-06 00:34:04,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:04,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:04,390 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:04,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:04,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:04,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:04,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:04,392 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:04,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-12-06 00:34:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:04,875 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:04,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:04,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:05,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-12-06 00:34:05,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:05,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:05,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:05,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:05,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:05,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:05,701 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:05,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-12-06 00:34:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:06,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:06,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:34:06,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:07,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-12-06 00:34:07,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:07,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:07,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:07,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:07,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:07,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:07,130 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:07,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-12-06 00:34:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:07,616 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:07,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:07,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:08,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-12-06 00:34:08,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:08,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:08,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:08,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:08,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:08,402 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:08,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-12-06 00:34:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:08,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:08,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:08,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:09,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-12-06 00:34:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:09,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:09,709 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:09,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:09,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:09,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:09,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:09,710 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:09,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-12-06 00:34:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:10,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:10,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:10,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:11,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-12-06 00:34:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:11,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:11,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:11,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:11,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:11,091 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:11,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-12-06 00:34:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:11,579 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:11,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:34:11,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:12,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-12-06 00:34:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:12,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:12,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:12,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:12,497 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:12,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-12-06 00:34:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:12,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:13,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:13,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:13,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-12-06 00:34:13,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:13,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:13,858 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:13,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:13,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:13,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:13,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:13,860 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:13,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-12-06 00:34:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:14,337 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:14,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:14,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:15,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-12-06 00:34:15,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:15,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:15,158 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:15,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:15,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:15,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:15,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:15,160 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:15,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-12-06 00:34:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:15,641 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:15,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:15,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:16,486 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:16,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Forceful destruction successful, exit code 0 [2024-12-06 00:34:16,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:16,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:16,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:16,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:16,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:16,496 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:16,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-12-06 00:34:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:16,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:17,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:34:17,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:17,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-12-06 00:34:17,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:17,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:17,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:17,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:17,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:17,946 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:17,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-12-06 00:34:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:18,436 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:18,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:18,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:19,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Forceful destruction successful, exit code 0 [2024-12-06 00:34:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:19,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:19,310 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:19,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:19,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:19,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:19,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:19,312 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:19,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-12-06 00:34:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:19,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:19,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:19,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:20,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-12-06 00:34:20,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:20,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:20,619 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:20,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:20,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:20,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:20,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:20,621 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:20,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-12-06 00:34:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:21,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:21,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:21,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:21,906 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:21,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-12-06 00:34:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:21,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:21,913 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:21,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:21,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:21,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:21,915 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:21,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-12-06 00:34:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:22,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:22,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:22,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:23,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-12-06 00:34:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:23,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:23,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:23,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:23,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:23,263 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:23,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-12-06 00:34:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:23,740 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:23,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:34:23,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:25,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-12-06 00:34:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:25,586 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:25,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:25,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:25,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:25,588 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:25,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-12-06 00:34:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:26,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:26,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:26,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:26,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-12-06 00:34:26,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:26,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:26,889 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:26,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:26,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:26,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:26,890 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:26,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-12-06 00:34:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:27,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:27,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:27,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:28,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-12-06 00:34:28,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:28,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:28,330 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:28,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:28,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:28,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:28,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:28,331 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:28,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-12-06 00:34:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:28,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:28,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:28,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:29,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Forceful destruction successful, exit code 0 [2024-12-06 00:34:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:29,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:29,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:29,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:29,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:29,601 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:29,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-12-06 00:34:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:30,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:30,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:30,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:30,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-12-06 00:34:30,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:30,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:30,790 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:30,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:30,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:30,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:30,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:30,792 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:30,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-12-06 00:34:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:31,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:31,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:31,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:32,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-12-06 00:34:32,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:32,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:32,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:32,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:32,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:32,106 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:32,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-12-06 00:34:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:32,581 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:32,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:32,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:33,309 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:33,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-12-06 00:34:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:33,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:33,317 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:33,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:33,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:33,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:33,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:33,319 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:33,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-12-06 00:34:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:33,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:33,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:34:33,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:34,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-12-06 00:34:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:34,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:34,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:34,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:34,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:34,686 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:34,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-12-06 00:34:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:35,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:35,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:35,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:36,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-12-06 00:34:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:36,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:36,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:36,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:36,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:36,031 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:36,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-12-06 00:34:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:36,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:36,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:34:36,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:37,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-12-06 00:34:37,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:37,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:37,404 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:37,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:37,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:37,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:37,406 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:37,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-12-06 00:34:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:37,921 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:37,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:37,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:38,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-12-06 00:34:38,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:38,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:38,688 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:38,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:38,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:38,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:38,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:38,689 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:38,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-12-06 00:34:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:39,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:39,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:34:39,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:41,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-12-06 00:34:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:41,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:41,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:41,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:41,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:41,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:41,371 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:41,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-12-06 00:34:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:41,866 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:41,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:41,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:42,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-12-06 00:34:42,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:42,622 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:42,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:42,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:42,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:42,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:42,624 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:42,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-12-06 00:34:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:43,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:43,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:43,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:43,906 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:43,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-12-06 00:34:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:43,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:43,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:43,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:43,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:43,915 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:43,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-12-06 00:34:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:44,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:44,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:34:44,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:45,275 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:45,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Forceful destruction successful, exit code 0 [2024-12-06 00:34:45,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:45,381 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:45,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:45,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:45,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:45,382 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:45,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-12-06 00:34:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:45,868 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:45,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:34:45,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:46,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-12-06 00:34:46,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:46,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:46,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:46,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:46,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:46,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:46,846 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:46,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-12-06 00:34:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:47,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:47,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:47,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:48,219 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:48,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-12-06 00:34:48,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:48,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:48,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:48,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:48,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:48,228 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:48,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-12-06 00:34:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:48,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:48,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:48,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:49,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Forceful destruction successful, exit code 0 [2024-12-06 00:34:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:49,510 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:49,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:49,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:49,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:49,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:49,512 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:49,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-12-06 00:34:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:49,994 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:50,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:50,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:50,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-12-06 00:34:50,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:50,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:50,870 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:50,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:50,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:50,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:50,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:50,872 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:50,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-12-06 00:34:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:51,353 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:51,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:34:51,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:52,242 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:52,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-12-06 00:34:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:52,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:52,323 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:52,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:52,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:52,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:52,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:52,324 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:52,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-12-06 00:34:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:52,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:52,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:52,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:53,634 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:53,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-12-06 00:34:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:53,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:53,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:53,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:53,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:53,643 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:53,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-12-06 00:34:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:54,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:54,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:54,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:54,957 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:54,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-12-06 00:34:54,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:54,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:54,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:54,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:54,967 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:54,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-12-06 00:34:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:55,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:55,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:34:55,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:56,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-12-06 00:34:56,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:56,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:56,363 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:56,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:56,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:56,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:56,364 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:56,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-12-06 00:34:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:56,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:56,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:56,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:57,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-12-06 00:34:57,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:57,722 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:57,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:57,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:57,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:57,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:57,723 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:57,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-12-06 00:34:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:58,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:58,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:58,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:59,093 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:34:59,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Forceful destruction successful, exit code 0 [2024-12-06 00:34:59,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:59,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:34:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:34:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:34:59,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:59,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:59,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:59,102 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:59,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-12-06 00:34:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:59,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:59,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:34:59,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:00,410 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:00,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-12-06 00:35:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:00,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:00,417 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:00,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:00,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:00,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:00,419 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:00,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-12-06 00:35:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:00,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:00,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:00,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:01,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-12-06 00:35:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:01,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:01,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:01,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:01,675 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:01,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-12-06 00:35:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:02,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:02,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:02,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:02,929 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:02,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-12-06 00:35:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:02,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:02,937 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:02,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:02,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:02,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:02,939 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:02,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-12-06 00:35:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:03,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:03,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:03,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:04,260 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:04,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-12-06 00:35:04,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:04,267 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:04,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:04,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:04,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:04,269 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:04,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-12-06 00:35:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:04,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:04,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:04,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:05,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Forceful destruction successful, exit code 0 [2024-12-06 00:35:05,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:05,705 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:05,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:05,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:05,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:05,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:05,707 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:05,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-12-06 00:35:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:06,191 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:06,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:06,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:07,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-12-06 00:35:07,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:07,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:07,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:07,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:07,186 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:07,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-12-06 00:35:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:07,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:07,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:07,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:08,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-12-06 00:35:08,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:08,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:08,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:08,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:08,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:08,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:08,475 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:08,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-12-06 00:35:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:08,969 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:08,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:08,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:09,769 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:09,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Forceful destruction successful, exit code 0 [2024-12-06 00:35:09,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:09,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:09,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:09,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:09,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:09,777 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:09,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-12-06 00:35:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:10,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:10,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:35:10,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:11,100 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:11,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-12-06 00:35:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:11,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:11,189 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:11,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:11,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:11,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:11,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:11,191 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:11,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-12-06 00:35:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:11,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:11,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:11,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:12,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-12-06 00:35:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:12,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:12,497 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:12,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:12,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:12,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:12,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:12,499 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:12,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-12-06 00:35:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:12,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:13,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:13,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:13,735 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:13,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-12-06 00:35:13,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:13,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:13,743 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:13,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:13,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:13,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:13,745 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:13,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-12-06 00:35:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:14,226 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:14,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:14,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:15,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-12-06 00:35:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:15,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:15,050 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:15,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:15,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:15,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:15,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:15,052 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:15,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-12-06 00:35:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:15,557 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:15,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:15,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:16,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-12-06 00:35:16,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:16,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:16,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:16,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:16,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:16,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:16,498 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:16,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-12-06 00:35:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:16,979 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:17,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:17,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:17,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-12-06 00:35:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:17,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:17,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:17,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:17,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:17,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:17,887 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:17,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-12-06 00:35:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:18,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:18,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:18,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:19,205 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:19,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-12-06 00:35:19,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:19,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:19,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:19,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:19,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:19,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:19,217 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:19,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-12-06 00:35:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:19,701 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:19,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:19,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:20,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-12-06 00:35:20,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:20,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:20,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:20,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:20,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:20,487 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:20,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-12-06 00:35:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:20,964 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:20,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:20,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:21,753 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:21,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-12-06 00:35:21,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:21,761 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:21,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:21,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:21,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:21,762 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:21,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-12-06 00:35:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:22,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:22,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:35:22,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:23,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-12-06 00:35:23,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:23,164 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:23,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:23,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:23,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:23,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:23,166 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:23,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-12-06 00:35:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:23,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:23,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:23,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:24,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-12-06 00:35:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:24,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:24,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:24,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:24,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:24,514 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:24,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-12-06 00:35:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:24,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:25,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:25,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:25,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-12-06 00:35:25,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:25,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:25,877 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:25,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:25,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:25,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:25,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:25,879 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:25,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-12-06 00:35:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:26,370 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:26,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:26,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:27,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-12-06 00:35:27,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:27,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:27,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:27,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:27,133 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:27,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-12-06 00:35:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:27,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:27,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:35:27,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:28,570 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:28,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-12-06 00:35:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:28,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:28,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:28,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:28,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:28,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:28,672 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:28,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-12-06 00:35:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:29,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:29,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:35:29,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:30,003 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:30,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-12-06 00:35:30,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:30,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:30,099 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:30,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:30,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:30,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:30,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:30,101 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:30,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-12-06 00:35:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:30,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:30,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:30,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:31,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-12-06 00:35:31,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:31,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:31,387 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:31,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:31,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:31,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:31,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:31,389 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:31,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-12-06 00:35:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:31,875 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:31,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:35:31,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:32,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-12-06 00:35:32,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:32,930 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:32,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:32,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:32,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:32,931 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:32,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-12-06 00:35:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:33,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:33,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:35:33,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:34,212 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:34,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-12-06 00:35:34,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:34,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:34,314 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:34,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:34,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:34,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:34,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:34,315 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:34,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-12-06 00:35:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:34,797 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:34,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:34,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:35,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-12-06 00:35:35,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:35,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:35,510 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:35,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:35,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:35,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:35,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:35,512 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:35,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-12-06 00:35:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:35,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:36,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:36,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:36,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-12-06 00:35:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:36,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:36,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:36,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:36,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:36,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:36,801 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:36,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-12-06 00:35:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:37,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:37,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:37,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:38,147 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:38,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-12-06 00:35:38,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:38,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:38,155 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:38,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:38,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:38,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:38,156 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:38,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-12-06 00:35:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:38,649 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:38,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:38,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:39,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:39,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Forceful destruction successful, exit code 0 [2024-12-06 00:35:39,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:39,500 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:39,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:39,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:39,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:39,502 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:39,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-12-06 00:35:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:39,983 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:40,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:40,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:40,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:40,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-12-06 00:35:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:40,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:40,691 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:40,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:40,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:40,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:40,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:40,693 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:40,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-12-06 00:35:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:41,172 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:41,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:41,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:42,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-12-06 00:35:42,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:42,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:42,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:42,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:42,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:42,170 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:42,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-12-06 00:35:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:42,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:42,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:42,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:43,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-12-06 00:35:43,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:43,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:43,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:43,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:43,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:43,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:43,440 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:43,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-12-06 00:35:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:43,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:43,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:43,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:44,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-12-06 00:35:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:44,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:44,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:44,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:44,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:44,717 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:44,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-12-06 00:35:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:45,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:45,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:35:45,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:46,100 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:46,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-12-06 00:35:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:46,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:46,209 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:46,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:46,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:46,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:46,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:46,211 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:46,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-12-06 00:35:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:46,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:46,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:35:46,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:47,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-12-06 00:35:47,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:47,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:47,799 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:47,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:47,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:47,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:47,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:47,800 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:47,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-12-06 00:35:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:48,283 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:48,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:35:48,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:49,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-12-06 00:35:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:49,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:49,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:49,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:49,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:49,155 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:49,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-12-06 00:35:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:49,641 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:49,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:35:49,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:50,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-12-06 00:35:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:50,661 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:50,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:50,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:50,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:50,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:50,662 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:50,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-12-06 00:35:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:51,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:51,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:51,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:52,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-12-06 00:35:52,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:52,048 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:52,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:52,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:52,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:52,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:52,050 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:52,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-12-06 00:35:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:52,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:52,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:52,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:53,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Forceful destruction successful, exit code 0 [2024-12-06 00:35:53,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:53,309 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:53,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:53,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:53,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:53,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:53,310 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:53,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-12-06 00:35:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:53,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:53,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:53,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:54,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-12-06 00:35:54,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:54,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:54,493 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:54,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:54,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:54,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:54,495 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:54,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-12-06 00:35:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:54,981 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:55,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:55,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:55,762 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:55,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-12-06 00:35:55,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:55,769 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:55,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:55,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:55,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:55,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:55,770 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:55,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-12-06 00:35:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:56,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:56,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:35:56,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:57,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-12-06 00:35:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:57,286 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:57,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:57,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:57,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:57,287 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:57,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-12-06 00:35:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:57,792 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:57,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:57,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:58,618 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:58,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Forceful destruction successful, exit code 0 [2024-12-06 00:35:58,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:58,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:58,626 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:58,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:58,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:58,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:58,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:58,627 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:58,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-12-06 00:35:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:59,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:59,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:35:59,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:59,945 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:35:59,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-12-06 00:35:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:35:59,952 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:35:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:35:59,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:59,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:59,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:59,953 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:59,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-12-06 00:36:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:00,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:00,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:00,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:01,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-12-06 00:36:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:01,210 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:01,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:01,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:01,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:01,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:01,211 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:01,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-12-06 00:36:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:01,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:01,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:01,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:02,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-12-06 00:36:02,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:02,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:02,570 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:02,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:02,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:02,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:02,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:02,572 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:02,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-12-06 00:36:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:03,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:03,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:03,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:03,862 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:03,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-12-06 00:36:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:03,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:03,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:03,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:03,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:03,871 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:03,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-12-06 00:36:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:04,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:04,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:04,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:05,214 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:05,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-12-06 00:36:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:05,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:05,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:05,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:05,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:05,223 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:05,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-12-06 00:36:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:05,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:05,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:05,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:06,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-12-06 00:36:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:06,622 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:06,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:06,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:06,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:06,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:06,623 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:06,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-12-06 00:36:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:07,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:07,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:07,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:07,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-12-06 00:36:07,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:07,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:07,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:07,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:07,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:07,992 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:07,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-12-06 00:36:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:08,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:08,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:36:08,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:09,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Forceful destruction successful, exit code 0 [2024-12-06 00:36:09,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:09,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:09,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:09,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:09,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:09,430 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:09,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-12-06 00:36:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:09,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:09,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:09,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:10,671 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:10,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-12-06 00:36:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:10,679 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:10,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:10,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:10,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:10,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:10,681 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:10,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-12-06 00:36:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:11,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:11,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:11,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:12,017 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:12,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-12-06 00:36:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:12,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:12,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:12,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:12,026 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:12,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-12-06 00:36:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:12,506 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:12,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:12,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:13,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-12-06 00:36:13,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:13,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:13,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:13,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:13,311 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:13,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-12-06 00:36:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:13,796 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:13,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:13,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:14,593 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:14,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-12-06 00:36:14,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:14,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:14,600 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:14,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:14,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:14,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:14,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:14,602 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:14,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-12-06 00:36:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:15,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:15,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:15,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:15,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-12-06 00:36:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:15,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:15,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:15,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:15,973 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:15,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-12-06 00:36:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:16,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:16,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:16,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:17,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-12-06 00:36:17,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:17,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:17,299 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:17,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:17,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:17,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:17,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:17,301 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:17,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-12-06 00:36:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:17,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:17,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:17,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:18,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-12-06 00:36:18,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:18,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:18,766 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:18,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:18,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:18,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:18,768 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:18,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-12-06 00:36:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:19,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:19,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:19,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:20,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-12-06 00:36:20,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:20,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:20,090 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:20,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:20,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:20,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:20,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:20,092 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:20,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-12-06 00:36:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:20,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:20,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:20,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:21,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-12-06 00:36:21,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:21,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:21,494 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:21,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:21,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:21,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:21,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:21,496 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:21,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-12-06 00:36:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:21,975 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:22,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:36:22,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:22,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-12-06 00:36:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:23,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:23,042 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:23,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:23,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:23,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:23,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:23,043 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:23,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-12-06 00:36:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:23,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:23,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:23,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:24,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-12-06 00:36:24,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:24,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:24,323 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:24,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:24,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:24,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:24,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:24,324 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:24,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-12-06 00:36:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:24,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:24,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:36:24,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:25,569 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:25,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-12-06 00:36:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:25,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:25,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:25,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:25,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:25,655 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:25,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-12-06 00:36:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:26,137 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:26,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:26,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:26,886 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:26,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-12-06 00:36:26,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:26,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:26,893 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:26,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:26,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:26,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:26,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:26,895 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:26,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-12-06 00:36:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:27,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:27,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:27,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:28,185 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:28,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-12-06 00:36:28,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:28,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:28,192 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:28,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:28,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:28,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:28,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:28,194 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:28,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-12-06 00:36:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:28,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:28,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:28,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:29,516 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:29,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-12-06 00:36:29,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:29,523 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:29,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:29,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:29,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:29,525 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:29,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-12-06 00:36:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:30,021 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:30,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:30,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:30,942 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:30,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-12-06 00:36:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:30,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:30,950 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:30,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:30,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:30,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:30,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:30,951 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:30,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-12-06 00:36:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:31,431 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:31,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:31,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:32,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-12-06 00:36:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:32,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:32,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:32,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:32,300 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:32,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-12-06 00:36:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:32,779 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:32,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:36:32,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:33,640 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:33,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2024-12-06 00:36:33,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:33,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:33,743 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:33,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:33,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:33,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:33,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:33,744 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:33,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-12-06 00:36:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:34,223 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:34,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:34,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:35,035 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:35,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Forceful destruction successful, exit code 0 [2024-12-06 00:36:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:35,042 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:35,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:35,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:35,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:35,044 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:35,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-12-06 00:36:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:35,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:35,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:36:35,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:36,526 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:36,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-12-06 00:36:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:36,619 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:36,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:36,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:36,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:36,620 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:36,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-12-06 00:36:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:37,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:37,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:37,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:37,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-12-06 00:36:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:37,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:37,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:37,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:37,822 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:37,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-12-06 00:36:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:38,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:38,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:38,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:39,256 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:39,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-12-06 00:36:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:39,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:39,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:39,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:39,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:39,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:39,265 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:39,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-12-06 00:36:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:39,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:39,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:36:39,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:40,696 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:40,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-12-06 00:36:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:40,789 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:40,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:40,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:40,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:40,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:40,790 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:40,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-12-06 00:36:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:41,295 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:41,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:41,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:42,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-12-06 00:36:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:42,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:42,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:42,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:42,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:42,169 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:42,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-12-06 00:36:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:42,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:42,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:36:42,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:43,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-12-06 00:36:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:43,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:43,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:43,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:43,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:43,574 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:43,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-12-06 00:36:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:44,062 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:44,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:36:44,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:45,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-12-06 00:36:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:45,097 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:45,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:45,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:45,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:45,098 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:45,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-12-06 00:36:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:45,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:45,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:45,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:46,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-12-06 00:36:46,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:46,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:46,440 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:46,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:46,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:46,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:46,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:46,442 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:46,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-12-06 00:36:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:46,926 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:46,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:46,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:47,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Forceful destruction successful, exit code 0 [2024-12-06 00:36:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:47,811 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:47,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:47,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:47,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:47,813 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:47,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-12-06 00:36:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:48,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:48,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:48,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:49,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-12-06 00:36:49,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:49,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:49,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:49,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:49,276 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:49,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-12-06 00:36:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:49,766 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:49,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:49,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:50,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-12-06 00:36:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:50,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:50,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:50,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:50,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:50,699 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:50,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-12-06 00:36:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:51,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:51,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:51,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:52,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Forceful destruction successful, exit code 0 [2024-12-06 00:36:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:52,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:52,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:52,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:52,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:52,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:52,083 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:52,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-12-06 00:36:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:52,624 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:52,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:52,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:53,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Forceful destruction successful, exit code 0 [2024-12-06 00:36:53,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:53,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:53,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:53,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:53,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:53,503 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:53,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-12-06 00:36:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:53,993 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:54,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:36:54,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:54,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-12-06 00:36:55,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:55,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:55,002 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:55,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:55,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:55,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:55,003 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:55,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-12-06 00:36:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:55,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:55,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:55,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:56,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Forceful destruction successful, exit code 0 [2024-12-06 00:36:56,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:56,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:56,608 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:56,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:56,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:56,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:56,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:56,609 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:56,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-12-06 00:36:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:57,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:57,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:57,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:58,076 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:58,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-12-06 00:36:58,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:58,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:58,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:58,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:58,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:58,085 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:58,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-12-06 00:36:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:58,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:58,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:36:58,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:59,505 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:36:59,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-12-06 00:36:59,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:36:59,512 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:36:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:36:59,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:59,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:59,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:59,513 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:59,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-12-06 00:37:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:00,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:00,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:00,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:00,833 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:00,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-12-06 00:37:00,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:00,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:00,841 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:00,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:00,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:00,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:00,842 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:00,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-12-06 00:37:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:01,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:01,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:01,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:02,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-12-06 00:37:02,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:02,191 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:02,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:02,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:02,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:02,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:02,192 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:02,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-12-06 00:37:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:02,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:02,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:02,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:03,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-12-06 00:37:03,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:03,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:03,514 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:03,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:03,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:03,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:03,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:03,515 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:03,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-12-06 00:37:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:03,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:04,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:04,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:04,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-12-06 00:37:04,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:04,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:04,855 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:04,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:04,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:04,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:04,857 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:04,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-12-06 00:37:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:05,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:05,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:37:05,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:06,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-12-06 00:37:06,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:06,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:06,339 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:06,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:06,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:06,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:06,341 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:06,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-12-06 00:37:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:06,828 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:06,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:06,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:07,700 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:07,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-12-06 00:37:07,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:07,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:07,707 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:07,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:07,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:07,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:07,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:07,709 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:07,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-12-06 00:37:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:08,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:08,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:37:08,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:09,095 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:09,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-12-06 00:37:09,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:09,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:09,184 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:09,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:09,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:09,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:09,185 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:09,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-12-06 00:37:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:09,662 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:09,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:09,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:10,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-12-06 00:37:10,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:10,575 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:10,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:10,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:10,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:10,577 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:10,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-12-06 00:37:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:11,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:11,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:11,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:11,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:11,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-12-06 00:37:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:11,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:11,913 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:11,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:11,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:11,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:11,915 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:11,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-12-06 00:37:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:12,400 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:12,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:12,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:13,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Forceful destruction successful, exit code 0 [2024-12-06 00:37:13,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:13,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:13,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:13,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:13,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:13,264 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:13,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-12-06 00:37:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:13,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:13,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:13,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:14,570 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:14,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-12-06 00:37:14,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:14,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:14,578 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:14,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:14,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:14,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:14,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:14,579 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:14,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-12-06 00:37:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:15,062 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:15,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:15,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:15,981 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:15,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-12-06 00:37:15,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:15,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:15,990 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:15,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:15,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:15,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:15,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:15,992 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:15,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-12-06 00:37:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:16,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:16,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:16,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:17,229 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:17,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Forceful destruction successful, exit code 0 [2024-12-06 00:37:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:17,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:17,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:17,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:17,238 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:17,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-12-06 00:37:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:17,726 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:17,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:37:17,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:18,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-12-06 00:37:18,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:18,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:18,572 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:18,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:18,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:18,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:18,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:18,574 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:18,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-12-06 00:37:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:19,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:19,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:19,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:19,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-12-06 00:37:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:19,909 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:19,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:19,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:19,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:19,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:19,911 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:19,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-12-06 00:37:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:20,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:20,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:20,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:21,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-12-06 00:37:21,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:21,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:21,288 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:21,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:21,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:21,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:21,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:21,290 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:21,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-12-06 00:37:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:21,778 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:21,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:21,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:22,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-12-06 00:37:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:22,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:22,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:22,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:22,559 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:22,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-12-06 00:37:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:23,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:23,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:23,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:23,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-12-06 00:37:23,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:23,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:23,843 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:23,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:23,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:23,845 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:23,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-12-06 00:37:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:24,330 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:24,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:24,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:25,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Forceful destruction successful, exit code 0 [2024-12-06 00:37:25,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:25,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:25,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:25,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:25,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:25,174 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:25,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-12-06 00:37:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:25,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:25,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:25,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:26,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-12-06 00:37:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:26,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:26,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:26,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:26,519 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:26,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-12-06 00:37:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:26,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:27,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:27,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:27,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-12-06 00:37:27,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:27,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:27,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:27,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:27,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:27,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:27,827 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:27,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-12-06 00:37:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:28,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:28,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:28,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:29,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-12-06 00:37:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:29,132 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:29,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:29,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:29,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:29,134 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:29,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-12-06 00:37:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:29,620 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:29,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:29,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:30,451 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:30,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-12-06 00:37:30,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:30,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:30,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:30,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:30,460 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:30,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-12-06 00:37:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:30,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:31,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:31,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:31,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Forceful destruction successful, exit code 0 [2024-12-06 00:37:31,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:31,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:31,800 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:31,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:31,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:31,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:31,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:31,802 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:31,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-12-06 00:37:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:32,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:32,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:37:32,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:33,192 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:33,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-12-06 00:37:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:33,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:33,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:33,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:33,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:33,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:33,278 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:33,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-12-06 00:37:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:33,761 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:33,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:33,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:34,672 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:34,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-12-06 00:37:34,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:34,679 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:34,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:34,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:34,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:34,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:34,681 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:34,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-12-06 00:37:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:35,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:35,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:37:35,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:36,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Forceful destruction successful, exit code 0 [2024-12-06 00:37:37,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:37,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:37,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:37,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:37,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:37,044 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:37,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-12-06 00:37:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:37,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:37,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:37,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:38,428 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:38,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-12-06 00:37:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:38,435 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:38,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:38,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:38,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:38,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:38,437 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:38,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-12-06 00:37:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:38,940 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:38,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:38,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:40,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-12-06 00:37:40,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:40,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:40,058 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:40,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:40,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:40,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:40,060 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:40,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-12-06 00:37:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:40,573 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:40,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:40,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:41,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-12-06 00:37:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:41,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:41,435 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:41,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:41,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:41,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:41,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:41,436 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:41,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-12-06 00:37:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:41,921 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:41,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:41,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:42,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-12-06 00:37:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:42,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:42,827 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:42,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:42,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:42,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:42,829 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:42,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-12-06 00:37:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:43,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:43,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:37:43,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:44,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-12-06 00:37:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:45,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:45,007 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:45,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:45,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:45,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:45,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:45,008 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:45,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-12-06 00:37:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:45,501 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:45,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:45,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:46,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:46,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Forceful destruction successful, exit code 0 [2024-12-06 00:37:46,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:46,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:46,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:46,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:46,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:46,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:46,335 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:46,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-12-06 00:37:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:46,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:46,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:46,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:47,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-12-06 00:37:47,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:47,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:47,797 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:47,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:47,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:47,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:47,799 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:47,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-12-06 00:37:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:48,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:48,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:48,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:49,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Forceful destruction successful, exit code 0 [2024-12-06 00:37:49,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:49,167 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:49,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:49,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:49,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:49,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:49,168 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:49,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-12-06 00:37:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:49,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:49,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:49,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:50,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-12-06 00:37:50,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:50,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:50,495 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:50,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:50,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:50,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:50,497 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:50,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-12-06 00:37:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:51,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:51,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:51,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:51,821 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:51,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-12-06 00:37:51,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:51,828 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:51,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:51,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:51,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:51,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:51,830 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:51,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-12-06 00:37:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:52,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:52,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:52,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:53,296 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:53,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Forceful destruction successful, exit code 0 [2024-12-06 00:37:53,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:53,304 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:53,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:53,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:53,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:53,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:53,306 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:53,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-12-06 00:37:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:53,795 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:53,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:53,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:54,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-12-06 00:37:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:54,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:54,654 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:54,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:54,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:54,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:54,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:54,656 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:54,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-12-06 00:37:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:55,143 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:55,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:37:55,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:55,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-12-06 00:37:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:55,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:55,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:55,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:55,996 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:55,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-12-06 00:37:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:56,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:56,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:37:56,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:57,377 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:57,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-12-06 00:37:57,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:57,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:57,474 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:57,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:57,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:57,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:57,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:57,475 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:57,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-12-06 00:37:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:57,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:58,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:37:58,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:37:59,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-12-06 00:37:59,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:59,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:37:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:37:59,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:37:59,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:59,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:59,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:59,888 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:59,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-12-06 00:38:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:00,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:00,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:00,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:01,241 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:01,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-12-06 00:38:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:01,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:01,248 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:01,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:01,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:01,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:01,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:01,250 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:01,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-12-06 00:38:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:01,732 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:01,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:01,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:02,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-12-06 00:38:02,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:02,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:02,660 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:02,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:02,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:02,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:02,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:02,662 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:02,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-12-06 00:38:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:03,172 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:03,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:03,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:03,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Forceful destruction successful, exit code 0 [2024-12-06 00:38:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:03,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:03,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:03,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:03,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:03,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:03,991 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:03,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-12-06 00:38:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:04,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:04,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:38:04,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:05,461 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:05,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-12-06 00:38:05,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:05,559 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:05,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:05,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:05,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:05,561 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:05,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-12-06 00:38:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:06,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:06,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:06,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:06,960 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:06,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-12-06 00:38:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:06,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:06,967 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:06,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:06,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:06,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:06,968 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:06,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-12-06 00:38:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:07,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:07,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:07,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:08,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-12-06 00:38:08,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:08,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:08,383 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:08,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:08,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:08,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:08,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:08,385 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:08,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-12-06 00:38:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:08,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:08,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:08,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:09,794 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:09,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-12-06 00:38:09,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:09,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:09,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:09,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:09,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:09,803 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:09,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-12-06 00:38:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:10,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:10,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:38:10,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:11,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-12-06 00:38:11,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:11,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:11,203 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:11,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:11,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:11,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:11,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:11,204 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:11,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-12-06 00:38:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:11,688 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:11,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:11,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:12,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-12-06 00:38:12,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:12,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:12,564 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:12,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:12,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:12,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:12,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:12,566 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:12,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-12-06 00:38:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:13,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:13,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:13,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:13,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:13,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-12-06 00:38:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:13,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:13,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:13,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:13,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:13,922 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:13,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-12-06 00:38:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:14,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:14,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:38:14,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:15,222 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:15,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-12-06 00:38:15,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:15,337 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:15,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:15,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:15,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:15,339 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:15,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-12-06 00:38:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:15,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:15,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:15,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:16,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Forceful destruction successful, exit code 0 [2024-12-06 00:38:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:16,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:16,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:16,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:16,859 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:16,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-12-06 00:38:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:17,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:17,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:38:17,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:18,414 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:18,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-12-06 00:38:18,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:18,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:18,516 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:18,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:18,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:18,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:18,517 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:18,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-12-06 00:38:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:19,011 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:19,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:19,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:19,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Forceful destruction successful, exit code 0 [2024-12-06 00:38:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:19,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:19,927 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:19,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:19,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:19,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:19,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:19,928 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:19,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-12-06 00:38:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:20,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:20,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:20,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:21,316 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:21,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-12-06 00:38:21,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:21,324 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:21,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:21,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:21,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:21,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:21,325 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:21,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-12-06 00:38:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:21,807 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:21,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:21,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:22,637 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:22,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-12-06 00:38:22,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:22,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:22,644 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:22,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:22,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:22,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:22,646 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:22,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-12-06 00:38:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:23,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:23,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:23,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:24,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-12-06 00:38:24,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:24,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:24,017 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:24,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:24,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:24,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:24,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:24,018 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:24,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-12-06 00:38:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:24,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:24,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:38:24,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:25,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-12-06 00:38:25,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:25,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:25,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:25,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:25,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:25,555 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:25,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-12-06 00:38:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:26,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:26,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:26,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:26,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-12-06 00:38:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:26,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:26,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:26,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:26,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:26,881 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:26,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-12-06 00:38:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:27,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:27,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:27,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:28,184 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:28,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-12-06 00:38:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:28,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:28,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:28,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:28,192 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:28,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-12-06 00:38:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:28,755 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:28,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:38:28,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:30,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-12-06 00:38:30,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:30,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:30,887 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:30,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:30,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:30,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:30,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:30,888 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:30,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-12-06 00:38:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:31,369 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:31,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:31,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:32,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:32,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-12-06 00:38:32,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:32,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:32,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:32,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:32,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:32,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:32,305 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:32,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-12-06 00:38:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:32,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:32,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:32,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:33,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-12-06 00:38:33,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:33,604 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:33,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:33,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:33,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:33,606 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:33,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-12-06 00:38:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:34,102 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:34,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:34,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:34,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Forceful destruction successful, exit code 0 [2024-12-06 00:38:34,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:34,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:34,969 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:34,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:34,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:34,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:34,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:34,971 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:34,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-12-06 00:38:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:35,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:35,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:35,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:36,419 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:36,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (377)] Ended with exit code 0 [2024-12-06 00:38:36,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:36,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:36,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:36,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:36,429 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:36,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-12-06 00:38:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:36,935 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:36,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:38:36,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:37,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (378)] Ended with exit code 0 [2024-12-06 00:38:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:37,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:37,996 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:37,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:37,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:37,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:37,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:37,997 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:37,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2024-12-06 00:38:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:38,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:38,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:38:38,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:39,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:39,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (379)] Forceful destruction successful, exit code 0 [2024-12-06 00:38:39,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:39,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:39,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:39,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:39,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:39,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:39,526 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:39,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-12-06 00:38:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:40,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:40,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:38:40,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:40,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (380)] Ended with exit code 0 [2024-12-06 00:38:41,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:41,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:41,064 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:41,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:41,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:41,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:41,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:41,066 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:41,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-12-06 00:38:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:41,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:41,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:41,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:42,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (381)] Ended with exit code 0 [2024-12-06 00:38:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:42,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:42,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:42,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:42,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:42,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:42,413 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:42,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-12-06 00:38:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:42,903 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:42,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:42,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:43,709 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:43,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (382)] Ended with exit code 0 [2024-12-06 00:38:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:43,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:43,716 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:43,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:43,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:43,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:43,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:43,718 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:43,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-12-06 00:38:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:44,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:44,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:44,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:45,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (383)] Ended with exit code 0 [2024-12-06 00:38:45,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:45,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:45,038 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:45,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:45,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:45,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:45,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:45,040 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:45,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-12-06 00:38:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:45,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:45,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:38:45,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:46,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (384)] Forceful destruction successful, exit code 0 [2024-12-06 00:38:46,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:46,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:46,549 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:46,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:46,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:46,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:46,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:46,551 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:46,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-12-06 00:38:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:47,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:47,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:47,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:47,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (385)] Ended with exit code 0 [2024-12-06 00:38:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:47,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:47,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:47,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:47,904 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:47,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-12-06 00:38:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:48,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:48,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:48,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:49,198 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:49,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (386)] Ended with exit code 0 [2024-12-06 00:38:49,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:49,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:49,206 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:49,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:49,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:49,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:49,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:49,208 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:49,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-12-06 00:38:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:49,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:49,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:49,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:50,526 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:50,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2024-12-06 00:38:50,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:50,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:50,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:50,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:50,536 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:50,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-12-06 00:38:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:51,015 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:51,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:51,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:51,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (388)] Ended with exit code 0 [2024-12-06 00:38:51,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:51,782 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:51,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:51,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:51,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:51,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:51,784 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:51,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-12-06 00:38:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:52,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:52,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:52,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:53,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (389)] Ended with exit code 0 [2024-12-06 00:38:53,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:53,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:53,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:53,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:53,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:53,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:53,143 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:53,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-12-06 00:38:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:53,631 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:53,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:53,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:54,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2024-12-06 00:38:54,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:54,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:54,511 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:54,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:54,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:54,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:54,512 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:54,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-12-06 00:38:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:54,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:55,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:55,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:55,729 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:55,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2024-12-06 00:38:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:55,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:55,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:55,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:55,739 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:55,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-12-06 00:38:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:56,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:56,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:56,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:57,070 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:57,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (392)] Ended with exit code 0 [2024-12-06 00:38:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:57,077 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:57,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:57,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:57,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:57,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:57,079 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:57,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-12-06 00:38:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:57,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:57,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:38:57,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:58,422 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:58,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (393)] Forceful destruction successful, exit code 0 [2024-12-06 00:38:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:58,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:58,429 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:58,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:58,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:58,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:58,431 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:58,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-12-06 00:38:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:58,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:58,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:38:58,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:38:59,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2024-12-06 00:38:59,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:38:59,903 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:38:59,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:38:59,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:59,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:59,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:59,905 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:59,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-12-06 00:39:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:00,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:00,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:00,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:01,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (395)] Ended with exit code 0 [2024-12-06 00:39:01,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:01,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:01,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:01,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:01,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:01,266 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:01,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-12-06 00:39:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:01,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:01,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:01,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:02,616 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:02,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (396)] Ended with exit code 0 [2024-12-06 00:39:02,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:02,623 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:02,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:02,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:02,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:02,624 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:02,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-12-06 00:39:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:03,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:03,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:03,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:03,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:03,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (397)] Ended with exit code 0 [2024-12-06 00:39:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:03,922 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:03,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:03,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:03,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:03,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:03,924 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:03,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-12-06 00:39:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:04,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:04,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:04,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:05,170 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:05,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (398)] Ended with exit code 0 [2024-12-06 00:39:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:05,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:05,178 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:05,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:05,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:05,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:05,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:05,179 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:05,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-12-06 00:39:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:05,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:05,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:39:05,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:06,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (399)] Ended with exit code 0 [2024-12-06 00:39:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:06,705 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:06,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:06,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:06,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:06,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:06,706 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:06,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-12-06 00:39:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:07,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:07,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:07,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:08,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (400)] Forceful destruction successful, exit code 0 [2024-12-06 00:39:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:08,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:08,061 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:08,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:08,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:08,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:08,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:08,063 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:08,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-12-06 00:39:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:08,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:08,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:39:08,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:09,498 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:09,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2024-12-06 00:39:09,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:09,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:09,593 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:09,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:09,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:09,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:09,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:09,595 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:09,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-12-06 00:39:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:10,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:10,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:10,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:11,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-12-06 00:39:11,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:11,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:11,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:11,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:11,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:11,061 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:11,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-12-06 00:39:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:11,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:11,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:11,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:12,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (403)] Ended with exit code 0 [2024-12-06 00:39:12,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:12,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:12,398 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:12,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:12,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:12,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:12,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:12,399 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:12,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-12-06 00:39:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:12,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:12,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:12,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:13,591 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:13,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-12-06 00:39:13,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:13,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:13,598 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:13,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:13,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:13,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:13,600 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:13,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-12-06 00:39:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:14,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:14,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:14,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:14,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2024-12-06 00:39:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:14,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:14,862 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:14,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:14,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:14,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:14,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:14,864 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:14,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-12-06 00:39:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:15,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:15,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:15,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:16,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:16,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2024-12-06 00:39:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:16,294 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:16,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:16,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:16,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:16,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:16,295 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:16,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-12-06 00:39:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:16,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:16,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:16,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:17,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (407)] Forceful destruction successful, exit code 0 [2024-12-06 00:39:17,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:17,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:17,721 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:17,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:17,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:17,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:17,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:17,723 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:17,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-12-06 00:39:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:18,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:18,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:39:18,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:19,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2024-12-06 00:39:19,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:19,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:19,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:19,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:19,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:19,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:19,186 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:19,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-12-06 00:39:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:19,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:19,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:19,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:20,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-12-06 00:39:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:20,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:20,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:20,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:20,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:20,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:20,509 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:20,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-12-06 00:39:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:20,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:21,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:39:21,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:21,951 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:21,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (410)] Ended with exit code 0 [2024-12-06 00:39:22,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:22,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:22,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:22,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:22,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:22,047 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:22,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-12-06 00:39:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:22,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:22,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:22,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:23,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (411)] Ended with exit code 0 [2024-12-06 00:39:23,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:23,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:23,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:23,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:23,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:23,369 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:23,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-12-06 00:39:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:23,848 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:23,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:23,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:24,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2024-12-06 00:39:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:24,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:24,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:24,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:24,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:24,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:24,803 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:24,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-12-06 00:39:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:25,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:25,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:25,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:26,157 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:26,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2024-12-06 00:39:26,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:26,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:26,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:26,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:26,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:26,166 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:26,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-12-06 00:39:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:26,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:26,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:26,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:27,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-12-06 00:39:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:27,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:27,481 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:27,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:27,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:27,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:27,483 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:27,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-12-06 00:39:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:28,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:28,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:39:28,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:28,893 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:28,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (415)] Ended with exit code 0 [2024-12-06 00:39:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:29,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:29,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:29,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:29,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:29,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:29,004 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:29,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-12-06 00:39:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:29,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:29,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:29,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:30,279 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:30,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2024-12-06 00:39:30,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:30,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:30,287 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:30,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:30,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:30,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:30,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:30,288 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:30,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-12-06 00:39:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:30,770 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:30,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:30,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:31,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (417)] Ended with exit code 0 [2024-12-06 00:39:31,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:31,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:31,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:31,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:31,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:31,638 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:31,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-12-06 00:39:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:32,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:32,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:32,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:33,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (418)] Forceful destruction successful, exit code 0 [2024-12-06 00:39:33,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:33,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:33,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:33,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:33,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:33,026 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:33,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-12-06 00:39:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:33,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:33,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:33,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:34,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (419)] Forceful destruction successful, exit code 0 [2024-12-06 00:39:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:34,326 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:34,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:34,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:34,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:34,328 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:34,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-12-06 00:39:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:34,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:34,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:34,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:35,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (420)] Ended with exit code 0 [2024-12-06 00:39:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:35,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:35,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:35,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:35,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:35,656 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:35,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-12-06 00:39:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:36,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:36,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:36,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:37,007 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:37,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2024-12-06 00:39:37,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:37,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:37,014 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:37,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:37,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:37,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:37,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:37,016 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:37,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-12-06 00:39:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:37,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:37,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:37,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:38,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2024-12-06 00:39:38,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:38,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:38,558 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:38,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:38,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:38,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:38,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:38,560 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:38,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-12-06 00:39:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:39,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:39,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:39,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:39,976 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:39,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (423)] Ended with exit code 0 [2024-12-06 00:39:39,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:39,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:39,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:39,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:39,985 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:39,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-12-06 00:39:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:40,480 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:40,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:40,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:41,467 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:41,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2024-12-06 00:39:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:41,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:41,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:41,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:41,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:41,477 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:41,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-12-06 00:39:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:42,066 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:42,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:42,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:42,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (425)] Ended with exit code 0 [2024-12-06 00:39:42,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:42,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:42,872 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:42,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:42,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:42,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:42,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:42,873 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:42,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-12-06 00:39:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:43,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:43,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:43,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:44,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2024-12-06 00:39:44,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:44,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:44,202 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:44,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:44,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:44,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:44,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:44,203 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:44,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-12-06 00:39:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:44,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:44,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:44,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:45,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (427)] Ended with exit code 0 [2024-12-06 00:39:45,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:45,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:45,640 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:45,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:45,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:45,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:45,641 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:45,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-12-06 00:39:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:46,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:46,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:39:46,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:47,109 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:47,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2024-12-06 00:39:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:47,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:47,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:47,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:47,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:47,212 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:47,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-12-06 00:39:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:47,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:47,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:47,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:48,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2024-12-06 00:39:48,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:48,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:48,726 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:48,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:48,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:48,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:48,728 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:48,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-12-06 00:39:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:49,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:49,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:49,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:50,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2024-12-06 00:39:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:50,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:50,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:50,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:50,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:50,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:50,095 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:50,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-12-06 00:39:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:50,618 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:50,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:50,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:51,512 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:51,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2024-12-06 00:39:51,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:51,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:51,520 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:51,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:51,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:51,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:51,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:51,522 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:51,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-12-06 00:39:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:52,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:52,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:52,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:52,845 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:52,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2024-12-06 00:39:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:52,852 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:52,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:52,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:52,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:52,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:52,854 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:52,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-12-06 00:39:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:53,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:53,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:53,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:54,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2024-12-06 00:39:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:54,219 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:54,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:54,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:54,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:54,220 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:54,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-12-06 00:39:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:54,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:54,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:54,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:55,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:55,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (434)] Forceful destruction successful, exit code 0 [2024-12-06 00:39:55,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:55,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:55,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:55,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:55,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:55,692 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:55,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-12-06 00:39:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:56,317 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:56,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:39:56,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:57,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (435)] Ended with exit code 0 [2024-12-06 00:39:57,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:57,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:57,444 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:57,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:57,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:57,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:57,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:57,446 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:57,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-12-06 00:39:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:57,974 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:58,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:58,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:39:58,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2024-12-06 00:39:58,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:58,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:39:58,829 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:39:58,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:39:58,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:58,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:58,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:58,831 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:58,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-12-06 00:39:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:59,322 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:59,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:39:59,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:00,219 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:00,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (437)] Ended with exit code 0 [2024-12-06 00:40:00,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:00,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:00,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:00,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:00,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:00,228 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:00,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-12-06 00:40:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:00,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:00,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:00,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:01,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (438)] Ended with exit code 0 [2024-12-06 00:40:01,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:01,518 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:01,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:01,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:01,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:01,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:01,519 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:01,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-12-06 00:40:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:02,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:02,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:02,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:02,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2024-12-06 00:40:02,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:02,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:02,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:02,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:02,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:02,896 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:02,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-12-06 00:40:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:03,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:03,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:03,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:04,234 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:04,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2024-12-06 00:40:04,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:04,243 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:04,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:04,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:04,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:04,245 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:04,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-12-06 00:40:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:04,733 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:04,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:04,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:05,544 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:05,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (441)] Ended with exit code 0 [2024-12-06 00:40:05,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:05,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:05,551 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:05,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:05,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:05,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:05,553 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:05,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-12-06 00:40:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:06,138 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:06,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:06,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:06,919 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:06,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (442)] Ended with exit code 0 [2024-12-06 00:40:06,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:06,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:06,926 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:06,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:06,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:06,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:06,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:06,927 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:06,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-12-06 00:40:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:07,406 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:07,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:07,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:08,341 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:08,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (443)] Ended with exit code 0 [2024-12-06 00:40:08,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:08,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:08,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:08,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:08,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:08,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:08,450 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:08,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-12-06 00:40:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:08,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:08,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:08,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:09,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (444)] Ended with exit code 0 [2024-12-06 00:40:09,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:09,721 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:09,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:09,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:09,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:09,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:09,722 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:09,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-12-06 00:40:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:10,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:10,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:10,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:11,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (445)] Ended with exit code 0 [2024-12-06 00:40:11,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:11,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:11,087 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:11,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:11,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:11,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:11,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:11,089 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:11,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-12-06 00:40:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:11,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:11,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:11,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:12,552 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:12,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (446)] Ended with exit code 0 [2024-12-06 00:40:12,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:12,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:12,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:12,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:12,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:12,637 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:12,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2024-12-06 00:40:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:13,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:13,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:13,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:13,969 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:13,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2024-12-06 00:40:13,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:13,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:13,976 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:13,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:13,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:13,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:13,977 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:13,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2024-12-06 00:40:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:14,457 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:14,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:14,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:16,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (448)] Ended with exit code 0 [2024-12-06 00:40:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:16,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:16,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:16,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:16,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:16,563 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:16,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2024-12-06 00:40:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:17,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:17,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:17,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:17,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2024-12-06 00:40:17,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:17,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:17,967 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:17,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:17,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:17,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:17,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:17,969 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:17,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2024-12-06 00:40:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:18,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:18,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:18,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:19,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (450)] Ended with exit code 0 [2024-12-06 00:40:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:19,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:19,260 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:19,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:19,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:19,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:19,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:19,262 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:19,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2024-12-06 00:40:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:19,744 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:19,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:19,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:20,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2024-12-06 00:40:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:20,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:20,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:20,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:20,674 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:20,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2024-12-06 00:40:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:21,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:21,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:21,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:22,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (452)] Ended with exit code 0 [2024-12-06 00:40:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:22,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:22,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:22,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:22,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:22,263 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:22,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2024-12-06 00:40:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:22,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:22,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:22,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:23,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (453)] Forceful destruction successful, exit code 0 [2024-12-06 00:40:23,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:23,607 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:23,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:23,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:23,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:23,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:23,608 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:23,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2024-12-06 00:40:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:24,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:24,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:24,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:24,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (454)] Ended with exit code 0 [2024-12-06 00:40:25,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:25,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:25,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:25,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:25,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:25,073 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:25,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2024-12-06 00:40:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:25,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:25,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:25,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:26,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (455)] Ended with exit code 0 [2024-12-06 00:40:26,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:26,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:26,448 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:26,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:26,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:26,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:26,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:26,449 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:26,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2024-12-06 00:40:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:26,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:26,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:26,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:27,769 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:27,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (456)] Ended with exit code 0 [2024-12-06 00:40:27,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:27,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:27,777 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:27,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:27,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:27,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:27,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:27,778 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:27,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2024-12-06 00:40:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:28,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:28,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:28,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:29,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (457)] Ended with exit code 0 [2024-12-06 00:40:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:29,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:29,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:29,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:29,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:29,285 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:29,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2024-12-06 00:40:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:29,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:29,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:29,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:30,586 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:30,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (458)] Ended with exit code 0 [2024-12-06 00:40:30,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:30,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:30,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:30,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:30,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:30,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:30,595 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:30,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2024-12-06 00:40:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:31,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:31,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:31,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:31,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (459)] Ended with exit code 0 [2024-12-06 00:40:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:31,906 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:31,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:31,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:31,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:31,908 INFO L229 MonitoredProcess]: Starting monitored process 460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:31,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (460)] Waiting until timeout for monitored process [2024-12-06 00:40:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:32,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:32,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:32,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:34,189 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:34,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (460)] Ended with exit code 0 [2024-12-06 00:40:34,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:34,280 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:34,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:34,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:34,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:34,281 INFO L229 MonitoredProcess]: Starting monitored process 461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:34,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (461)] Waiting until timeout for monitored process [2024-12-06 00:40:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:34,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:34,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:34,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:35,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (461)] Ended with exit code 0 [2024-12-06 00:40:35,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:35,574 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:35,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:35,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:35,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:35,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:35,576 INFO L229 MonitoredProcess]: Starting monitored process 462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:35,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (462)] Waiting until timeout for monitored process [2024-12-06 00:40:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:36,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:36,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:36,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:38,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (462)] Ended with exit code 0 [2024-12-06 00:40:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:38,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:38,247 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:38,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:38,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:38,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:38,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:38,249 INFO L229 MonitoredProcess]: Starting monitored process 463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:38,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (463)] Waiting until timeout for monitored process [2024-12-06 00:40:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:38,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:38,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:38,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:39,547 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:39,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (463)] Ended with exit code 0 [2024-12-06 00:40:39,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:39,555 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:39,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:39,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:39,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:39,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:39,556 INFO L229 MonitoredProcess]: Starting monitored process 464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:39,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (464)] Waiting until timeout for monitored process [2024-12-06 00:40:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:40,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:40,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:40,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:40,836 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:40,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (464)] Ended with exit code 0 [2024-12-06 00:40:40,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:40,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:40,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:40,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:40,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:40,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:40,845 INFO L229 MonitoredProcess]: Starting monitored process 465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:40,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (465)] Waiting until timeout for monitored process [2024-12-06 00:40:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:41,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:41,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:41,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:42,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (465)] Ended with exit code 0 [2024-12-06 00:40:42,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:42,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:42,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:42,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:42,224 INFO L229 MonitoredProcess]: Starting monitored process 466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:42,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (466)] Waiting until timeout for monitored process [2024-12-06 00:40:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:42,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:42,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:42,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:43,587 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:43,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (466)] Forceful destruction successful, exit code 0 [2024-12-06 00:40:43,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:43,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:43,695 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:43,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:43,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:43,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:43,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:43,697 INFO L229 MonitoredProcess]: Starting monitored process 467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:43,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (467)] Waiting until timeout for monitored process [2024-12-06 00:40:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:44,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:44,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:44,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:45,009 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:45,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (467)] Ended with exit code 0 [2024-12-06 00:40:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:45,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:45,016 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:45,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:45,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:45,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:45,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:45,018 INFO L229 MonitoredProcess]: Starting monitored process 468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:45,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (468)] Waiting until timeout for monitored process [2024-12-06 00:40:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:45,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:45,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:45,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:46,386 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:46,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (468)] Ended with exit code 0 [2024-12-06 00:40:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:46,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:46,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:46,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:46,487 INFO L229 MonitoredProcess]: Starting monitored process 469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:46,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (469)] Waiting until timeout for monitored process [2024-12-06 00:40:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:46,965 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:46,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:46,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:47,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (469)] Forceful destruction successful, exit code 0 [2024-12-06 00:40:47,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:47,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:47,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:47,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:47,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:47,803 INFO L229 MonitoredProcess]: Starting monitored process 470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:47,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (470)] Waiting until timeout for monitored process [2024-12-06 00:40:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:48,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:48,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:48,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:49,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (470)] Ended with exit code 0 [2024-12-06 00:40:49,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:49,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:49,349 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:49,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:49,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:49,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:49,351 INFO L229 MonitoredProcess]: Starting monitored process 471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:49,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (471)] Waiting until timeout for monitored process [2024-12-06 00:40:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:49,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:49,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:49,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:50,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (471)] Ended with exit code 0 [2024-12-06 00:40:50,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:50,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:50,767 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:50,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:50,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:50,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:50,769 INFO L229 MonitoredProcess]: Starting monitored process 472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:50,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (472)] Waiting until timeout for monitored process [2024-12-06 00:40:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:51,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:51,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:51,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:52,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (472)] Forceful destruction successful, exit code 0 [2024-12-06 00:40:52,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:52,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:52,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:52,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:52,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:52,365 INFO L229 MonitoredProcess]: Starting monitored process 473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:52,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (473)] Waiting until timeout for monitored process [2024-12-06 00:40:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:52,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:52,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:52,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:53,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (473)] Ended with exit code 0 [2024-12-06 00:40:53,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:53,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:53,603 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:53,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:53,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:53,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:53,604 INFO L229 MonitoredProcess]: Starting monitored process 474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:53,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (474)] Waiting until timeout for monitored process [2024-12-06 00:40:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:54,084 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:54,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:54,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:54,971 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:54,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (474)] Ended with exit code 0 [2024-12-06 00:40:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:55,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:55,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:55,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:55,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:55,077 INFO L229 MonitoredProcess]: Starting monitored process 475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:55,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (475)] Waiting until timeout for monitored process [2024-12-06 00:40:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:55,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:55,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:55,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:56,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (475)] Ended with exit code 0 [2024-12-06 00:40:56,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:56,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:56,382 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:56,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:56,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:56,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:56,383 INFO L229 MonitoredProcess]: Starting monitored process 476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:56,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (476)] Waiting until timeout for monitored process [2024-12-06 00:40:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:56,866 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:56,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:56,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:57,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (476)] Ended with exit code 0 [2024-12-06 00:40:57,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:57,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:57,667 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:57,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:57,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:57,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:57,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:57,669 INFO L229 MonitoredProcess]: Starting monitored process 477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:57,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (477)] Waiting until timeout for monitored process [2024-12-06 00:40:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:58,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:58,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:40:58,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:58,952 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:40:58,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (477)] Ended with exit code 0 [2024-12-06 00:40:58,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:58,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:40:58,960 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:40:58,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:40:58,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:58,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:58,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:58,961 INFO L229 MonitoredProcess]: Starting monitored process 478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:58,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (478)] Waiting until timeout for monitored process [2024-12-06 00:40:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:59,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:59,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:40:59,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:00,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:00,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (478)] Forceful destruction successful, exit code 0 [2024-12-06 00:41:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:00,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:00,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:00,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:00,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:00,524 INFO L229 MonitoredProcess]: Starting monitored process 479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:00,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (479)] Waiting until timeout for monitored process [2024-12-06 00:41:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:01,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:01,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:01,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:01,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (479)] Ended with exit code 0 [2024-12-06 00:41:01,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:01,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:01,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:01,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:01,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:01,792 INFO L229 MonitoredProcess]: Starting monitored process 480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:01,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (480)] Waiting until timeout for monitored process [2024-12-06 00:41:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:02,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:02,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:02,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:03,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (480)] Ended with exit code 0 [2024-12-06 00:41:03,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:03,151 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:03,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:03,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:03,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:03,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:03,153 INFO L229 MonitoredProcess]: Starting monitored process 481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:03,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (481)] Waiting until timeout for monitored process [2024-12-06 00:41:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:03,635 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:03,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:03,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:04,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (481)] Ended with exit code 0 [2024-12-06 00:41:04,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:04,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:04,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:04,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:04,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:04,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:04,517 INFO L229 MonitoredProcess]: Starting monitored process 482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:04,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (482)] Waiting until timeout for monitored process [2024-12-06 00:41:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:05,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:05,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:05,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:05,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (482)] Ended with exit code 0 [2024-12-06 00:41:05,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:05,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:05,826 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:05,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:05,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:05,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:05,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:05,828 INFO L229 MonitoredProcess]: Starting monitored process 483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:05,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (483)] Waiting until timeout for monitored process [2024-12-06 00:41:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:06,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:06,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:06,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:07,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (483)] Forceful destruction successful, exit code 0 [2024-12-06 00:41:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:07,126 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:07,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:07,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:07,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:07,128 INFO L229 MonitoredProcess]: Starting monitored process 484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:07,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (484)] Waiting until timeout for monitored process [2024-12-06 00:41:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:07,620 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:07,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:41:07,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:08,615 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:08,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (484)] Ended with exit code 0 [2024-12-06 00:41:08,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:08,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:08,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:08,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:08,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:08,708 INFO L229 MonitoredProcess]: Starting monitored process 485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:08,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (485)] Waiting until timeout for monitored process [2024-12-06 00:41:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:09,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:09,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:09,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:09,996 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:09,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (485)] Ended with exit code 0 [2024-12-06 00:41:10,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:10,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:10,003 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:10,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:10,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:10,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:10,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:10,005 INFO L229 MonitoredProcess]: Starting monitored process 486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:10,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (486)] Waiting until timeout for monitored process [2024-12-06 00:41:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:10,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:10,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:41:10,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:11,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (486)] Ended with exit code 0 [2024-12-06 00:41:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:11,549 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:11,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:11,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:11,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:11,550 INFO L229 MonitoredProcess]: Starting monitored process 487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:11,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (487)] Waiting until timeout for monitored process [2024-12-06 00:41:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:12,030 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:12,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:12,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:12,874 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:12,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (487)] Ended with exit code 0 [2024-12-06 00:41:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:12,882 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:12,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:12,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:12,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:12,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:12,884 INFO L229 MonitoredProcess]: Starting monitored process 488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:12,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (488)] Waiting until timeout for monitored process [2024-12-06 00:41:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:13,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:13,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:13,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:14,195 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:14,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (488)] Ended with exit code 0 [2024-12-06 00:41:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:14,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:14,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:14,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:14,203 INFO L229 MonitoredProcess]: Starting monitored process 489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:14,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (489)] Waiting until timeout for monitored process [2024-12-06 00:41:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:14,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:14,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:14,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:15,544 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:15,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (489)] Ended with exit code 0 [2024-12-06 00:41:15,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:15,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:15,551 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:15,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:15,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:15,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:15,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:15,552 INFO L229 MonitoredProcess]: Starting monitored process 490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:15,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (490)] Waiting until timeout for monitored process [2024-12-06 00:41:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:16,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:16,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:16,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:17,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (490)] Ended with exit code 0 [2024-12-06 00:41:17,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:17,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:17,049 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:17,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:17,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:17,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:17,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:17,051 INFO L229 MonitoredProcess]: Starting monitored process 491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:17,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (491)] Waiting until timeout for monitored process [2024-12-06 00:41:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:17,542 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:17,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:17,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:18,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (491)] Ended with exit code 0 [2024-12-06 00:41:18,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:18,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:18,413 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:18,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:18,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:18,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:18,415 INFO L229 MonitoredProcess]: Starting monitored process 492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:18,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (492)] Waiting until timeout for monitored process [2024-12-06 00:41:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:18,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:18,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:41:18,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:19,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (492)] Forceful destruction successful, exit code 0 [2024-12-06 00:41:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:19,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:19,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:19,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:19,878 INFO L229 MonitoredProcess]: Starting monitored process 493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:19,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (493)] Waiting until timeout for monitored process [2024-12-06 00:41:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:20,363 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:20,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:20,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:21,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:21,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (493)] Ended with exit code 0 [2024-12-06 00:41:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:21,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:21,211 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:21,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:21,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:21,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:21,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:21,213 INFO L229 MonitoredProcess]: Starting monitored process 494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:21,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (494)] Waiting until timeout for monitored process [2024-12-06 00:41:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:21,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:21,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:21,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:22,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (494)] Forceful destruction successful, exit code 0 [2024-12-06 00:41:22,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:22,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:22,616 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:22,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:22,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:22,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:22,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:22,617 INFO L229 MonitoredProcess]: Starting monitored process 495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:22,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (495)] Waiting until timeout for monitored process [2024-12-06 00:41:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:23,095 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:23,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:23,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:24,004 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:24,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (495)] Forceful destruction successful, exit code 0 [2024-12-06 00:41:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:24,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:24,011 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:24,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:24,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:24,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:24,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:24,013 INFO L229 MonitoredProcess]: Starting monitored process 496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:24,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (496)] Waiting until timeout for monitored process [2024-12-06 00:41:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:24,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:24,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:41:24,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:25,626 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:25,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (496)] Ended with exit code 0 [2024-12-06 00:41:25,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:25,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:25,723 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:25,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:25,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:25,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:25,725 INFO L229 MonitoredProcess]: Starting monitored process 497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:25,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (497)] Waiting until timeout for monitored process [2024-12-06 00:41:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:26,210 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:26,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:26,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:27,048 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:27,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (497)] Ended with exit code 0 [2024-12-06 00:41:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:27,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:27,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:27,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:27,058 INFO L229 MonitoredProcess]: Starting monitored process 498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:27,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (498)] Waiting until timeout for monitored process [2024-12-06 00:41:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:27,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:27,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:27,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:28,372 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:28,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (498)] Forceful destruction successful, exit code 0 [2024-12-06 00:41:28,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:28,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:28,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:28,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:28,381 INFO L229 MonitoredProcess]: Starting monitored process 499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:28,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (499)] Waiting until timeout for monitored process [2024-12-06 00:41:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:28,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:28,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:28,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:29,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (499)] Ended with exit code 0 [2024-12-06 00:41:29,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:29,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:29,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:29,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:29,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:29,655 INFO L229 MonitoredProcess]: Starting monitored process 500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:29,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (500)] Waiting until timeout for monitored process [2024-12-06 00:41:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:30,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:30,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:30,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:30,963 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:30,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (500)] Ended with exit code 0 [2024-12-06 00:41:30,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:30,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:30,970 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:30,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:30,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:30,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:30,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:30,972 INFO L229 MonitoredProcess]: Starting monitored process 501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:30,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (501)] Waiting until timeout for monitored process [2024-12-06 00:41:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:31,457 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:31,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:31,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:32,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (501)] Ended with exit code 0 [2024-12-06 00:41:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:32,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:32,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:32,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:32,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:32,219 INFO L229 MonitoredProcess]: Starting monitored process 502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:32,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (502)] Waiting until timeout for monitored process [2024-12-06 00:41:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:32,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:32,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:32,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:33,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (502)] Ended with exit code 0 [2024-12-06 00:41:33,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:33,695 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:33,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:33,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:33,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:33,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:33,696 INFO L229 MonitoredProcess]: Starting monitored process 503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:33,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (503)] Waiting until timeout for monitored process [2024-12-06 00:41:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:34,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:34,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:41:34,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:35,001 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:35,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (503)] Ended with exit code 0 [2024-12-06 00:41:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:35,091 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:35,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:35,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:35,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:35,092 INFO L229 MonitoredProcess]: Starting monitored process 504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:35,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (504)] Waiting until timeout for monitored process [2024-12-06 00:41:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:35,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:35,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:35,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:36,462 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:36,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (504)] Ended with exit code 0 [2024-12-06 00:41:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:36,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:36,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:36,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:36,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:36,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:36,471 INFO L229 MonitoredProcess]: Starting monitored process 505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:36,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (505)] Waiting until timeout for monitored process [2024-12-06 00:41:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:36,958 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:36,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:36,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:37,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (505)] Ended with exit code 0 [2024-12-06 00:41:37,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:37,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:37,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:37,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:37,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:37,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:37,881 INFO L229 MonitoredProcess]: Starting monitored process 506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:37,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (506)] Waiting until timeout for monitored process [2024-12-06 00:41:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:38,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:38,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:38,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:39,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (506)] Ended with exit code 0 [2024-12-06 00:41:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:39,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:39,174 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:39,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:39,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:39,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:39,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:39,175 INFO L229 MonitoredProcess]: Starting monitored process 507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:39,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (507)] Waiting until timeout for monitored process [2024-12-06 00:41:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:39,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:39,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:39,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:40,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (507)] Ended with exit code 0 [2024-12-06 00:41:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:40,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:40,621 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:40,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:40,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:40,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:40,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:40,623 INFO L229 MonitoredProcess]: Starting monitored process 508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:40,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (508)] Waiting until timeout for monitored process [2024-12-06 00:41:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:41,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:41,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:41,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:41,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (508)] Ended with exit code 0 [2024-12-06 00:41:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:41,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:41,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:41,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:41,893 INFO L229 MonitoredProcess]: Starting monitored process 509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:41,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (509)] Waiting until timeout for monitored process [2024-12-06 00:41:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:42,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:42,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:42,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:43,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (509)] Ended with exit code 0 [2024-12-06 00:41:43,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:43,216 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:43,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:43,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:43,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:43,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:43,217 INFO L229 MonitoredProcess]: Starting monitored process 510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:43,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (510)] Waiting until timeout for monitored process [2024-12-06 00:41:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:43,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:43,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:43,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:44,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (510)] Ended with exit code 0 [2024-12-06 00:41:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:44,586 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:44,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:44,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:44,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:44,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:44,587 INFO L229 MonitoredProcess]: Starting monitored process 511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:44,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (511)] Waiting until timeout for monitored process [2024-12-06 00:41:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:45,069 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:45,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:45,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:45,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (511)] Ended with exit code 0 [2024-12-06 00:41:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:45,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:45,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:45,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:45,938 INFO L229 MonitoredProcess]: Starting monitored process 512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:45,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (512)] Waiting until timeout for monitored process [2024-12-06 00:41:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:46,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:46,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:41:46,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:47,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (512)] Forceful destruction successful, exit code 0 [2024-12-06 00:41:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:47,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:47,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:47,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:47,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:47,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:47,430 INFO L229 MonitoredProcess]: Starting monitored process 513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:47,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (513)] Waiting until timeout for monitored process [2024-12-06 00:41:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:47,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:47,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:47,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:48,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (513)] Ended with exit code 0 [2024-12-06 00:41:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:48,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:48,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:48,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:48,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:48,894 INFO L229 MonitoredProcess]: Starting monitored process 514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:48,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (514)] Waiting until timeout for monitored process [2024-12-06 00:41:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:49,383 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:49,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:49,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:50,226 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:50,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (514)] Ended with exit code 0 [2024-12-06 00:41:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:50,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:50,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:50,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:50,235 INFO L229 MonitoredProcess]: Starting monitored process 515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:50,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (515)] Waiting until timeout for monitored process [2024-12-06 00:41:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:50,729 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:50,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:41:50,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:51,671 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:51,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (515)] Ended with exit code 0 [2024-12-06 00:41:51,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:51,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:51,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:51,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:51,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:51,718 INFO L229 MonitoredProcess]: Starting monitored process 516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:51,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (516)] Waiting until timeout for monitored process [2024-12-06 00:41:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:52,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:52,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:52,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:52,990 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:52,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (516)] Ended with exit code 0 [2024-12-06 00:41:52,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:52,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:52,997 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:52,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:52,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:52,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:52,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:52,999 INFO L229 MonitoredProcess]: Starting monitored process 517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:52,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (517)] Waiting until timeout for monitored process [2024-12-06 00:41:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:53,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:53,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:53,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:54,370 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:54,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (517)] Ended with exit code 0 [2024-12-06 00:41:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:54,378 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:54,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:54,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:54,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:54,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:54,380 INFO L229 MonitoredProcess]: Starting monitored process 518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:54,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (518)] Waiting until timeout for monitored process [2024-12-06 00:41:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:54,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:54,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:54,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:55,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (518)] Ended with exit code 0 [2024-12-06 00:41:55,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:55,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:55,720 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:55,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:55,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:55,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:55,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:55,721 INFO L229 MonitoredProcess]: Starting monitored process 519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:55,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (519)] Waiting until timeout for monitored process [2024-12-06 00:41:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:56,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:56,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:56,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:57,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (519)] Forceful destruction successful, exit code 0 [2024-12-06 00:41:57,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:57,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:57,023 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:57,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:57,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:57,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:57,025 INFO L229 MonitoredProcess]: Starting monitored process 520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:57,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (520)] Waiting until timeout for monitored process [2024-12-06 00:41:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:57,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:57,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:57,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:58,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (520)] Ended with exit code 0 [2024-12-06 00:41:58,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:58,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:58,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:58,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:58,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:58,329 INFO L229 MonitoredProcess]: Starting monitored process 521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:58,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (521)] Waiting until timeout for monitored process [2024-12-06 00:41:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:58,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:58,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:41:58,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:41:59,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (521)] Ended with exit code 0 [2024-12-06 00:41:59,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:59,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:41:59,638 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:41:59,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:41:59,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:59,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:59,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:59,640 INFO L229 MonitoredProcess]: Starting monitored process 522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:59,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (522)] Waiting until timeout for monitored process [2024-12-06 00:42:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:00,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:00,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:00,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:00,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (522)] Forceful destruction successful, exit code 0 [2024-12-06 00:42:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:01,002 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:01,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:01,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:01,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:01,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:01,003 INFO L229 MonitoredProcess]: Starting monitored process 523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:01,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (523)] Waiting until timeout for monitored process [2024-12-06 00:42:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:01,497 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:01,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:01,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:02,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (523)] Ended with exit code 0 [2024-12-06 00:42:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:02,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:02,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:02,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:02,434 INFO L229 MonitoredProcess]: Starting monitored process 524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:02,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (524)] Waiting until timeout for monitored process [2024-12-06 00:42:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:02,918 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:02,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:02,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:03,695 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:03,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (524)] Ended with exit code 0 [2024-12-06 00:42:03,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:03,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:03,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:03,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:03,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:03,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:03,703 INFO L229 MonitoredProcess]: Starting monitored process 525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:03,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (525)] Waiting until timeout for monitored process [2024-12-06 00:42:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:04,182 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:04,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:04,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:05,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (525)] Ended with exit code 0 [2024-12-06 00:42:05,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:05,006 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:05,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:05,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:05,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:05,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:05,008 INFO L229 MonitoredProcess]: Starting monitored process 526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:05,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (526)] Waiting until timeout for monitored process [2024-12-06 00:42:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:05,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:05,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:05,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:06,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (526)] Ended with exit code 0 [2024-12-06 00:42:06,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:06,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:06,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:06,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:06,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:06,288 INFO L229 MonitoredProcess]: Starting monitored process 527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:06,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (527)] Waiting until timeout for monitored process [2024-12-06 00:42:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:06,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:06,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:06,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:07,583 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:07,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (527)] Ended with exit code 0 [2024-12-06 00:42:07,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:07,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:07,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:07,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:07,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:07,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:07,591 INFO L229 MonitoredProcess]: Starting monitored process 528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:07,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (528)] Waiting until timeout for monitored process [2024-12-06 00:42:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:08,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:08,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:08,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:08,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (528)] Ended with exit code 0 [2024-12-06 00:42:08,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:08,930 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:08,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:08,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:08,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:08,931 INFO L229 MonitoredProcess]: Starting monitored process 529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:08,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (529)] Waiting until timeout for monitored process [2024-12-06 00:42:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:09,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:09,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:42:09,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:10,390 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:10,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (529)] Ended with exit code 0 [2024-12-06 00:42:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:10,473 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:10,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:10,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:10,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:10,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:10,475 INFO L229 MonitoredProcess]: Starting monitored process 530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:10,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (530)] Waiting until timeout for monitored process [2024-12-06 00:42:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:10,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:10,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:10,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:11,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (530)] Forceful destruction successful, exit code 0 [2024-12-06 00:42:11,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:11,744 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:11,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:11,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:11,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:11,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:11,746 INFO L229 MonitoredProcess]: Starting monitored process 531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:11,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (531)] Waiting until timeout for monitored process [2024-12-06 00:42:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:12,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:12,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:12,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:13,144 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:13,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (531)] Ended with exit code 0 [2024-12-06 00:42:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:13,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:13,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:13,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:13,153 INFO L229 MonitoredProcess]: Starting monitored process 532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:13,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (532)] Waiting until timeout for monitored process [2024-12-06 00:42:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:13,637 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:13,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:13,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:14,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (532)] Ended with exit code 0 [2024-12-06 00:42:14,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:14,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:14,645 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:14,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:14,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:14,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:14,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:14,647 INFO L229 MonitoredProcess]: Starting monitored process 533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:14,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (533)] Waiting until timeout for monitored process [2024-12-06 00:42:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:15,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:15,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:15,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:16,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (533)] Ended with exit code 0 [2024-12-06 00:42:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:16,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:16,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:16,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:16,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:16,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:16,042 INFO L229 MonitoredProcess]: Starting monitored process 534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:16,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (534)] Waiting until timeout for monitored process [2024-12-06 00:42:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:16,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:16,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:16,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:17,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (534)] Forceful destruction successful, exit code 0 [2024-12-06 00:42:17,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:17,310 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:17,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:17,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:17,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:17,312 INFO L229 MonitoredProcess]: Starting monitored process 535 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:17,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (535)] Waiting until timeout for monitored process [2024-12-06 00:42:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:17,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:17,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:17,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:18,678 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:18,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (535)] Forceful destruction successful, exit code 0 [2024-12-06 00:42:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:18,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:18,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:18,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:18,687 INFO L229 MonitoredProcess]: Starting monitored process 536 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:18,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (536)] Waiting until timeout for monitored process [2024-12-06 00:42:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:19,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:19,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:19,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:19,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (536)] Forceful destruction successful, exit code 0 [2024-12-06 00:42:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:19,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:19,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:19,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:19,964 INFO L229 MonitoredProcess]: Starting monitored process 537 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:19,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (537)] Waiting until timeout for monitored process [2024-12-06 00:42:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:20,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:20,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:20,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:21,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (537)] Ended with exit code 0 [2024-12-06 00:42:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:21,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:21,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:21,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:21,402 INFO L229 MonitoredProcess]: Starting monitored process 538 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:21,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (538)] Waiting until timeout for monitored process [2024-12-06 00:42:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:21,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:21,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:21,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:22,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (538)] Ended with exit code 0 [2024-12-06 00:42:22,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:22,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:22,777 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:22,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:22,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:22,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:22,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:22,779 INFO L229 MonitoredProcess]: Starting monitored process 539 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:22,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (539)] Waiting until timeout for monitored process [2024-12-06 00:42:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:23,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:23,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:23,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:24,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (539)] Ended with exit code 0 [2024-12-06 00:42:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:24,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:24,215 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:24,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:24,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:24,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:24,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:24,216 INFO L229 MonitoredProcess]: Starting monitored process 540 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:24,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (540)] Waiting until timeout for monitored process [2024-12-06 00:42:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:24,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:24,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:24,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:25,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (540)] Ended with exit code 0 [2024-12-06 00:42:25,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:25,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:25,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:25,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:25,571 INFO L229 MonitoredProcess]: Starting monitored process 541 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:25,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (541)] Waiting until timeout for monitored process [2024-12-06 00:42:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:26,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:26,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:42:26,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:26,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (541)] Forceful destruction successful, exit code 0 [2024-12-06 00:42:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:27,053 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:27,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:27,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:27,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:27,054 INFO L229 MonitoredProcess]: Starting monitored process 542 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:27,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (542)] Waiting until timeout for monitored process [2024-12-06 00:42:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:27,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:27,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:27,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:28,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (542)] Ended with exit code 0 [2024-12-06 00:42:28,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:28,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:28,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:28,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:28,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:28,452 INFO L229 MonitoredProcess]: Starting monitored process 543 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:28,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (543)] Waiting until timeout for monitored process [2024-12-06 00:42:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:28,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:28,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:28,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:29,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (543)] Ended with exit code 0 [2024-12-06 00:42:29,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:29,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:29,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:29,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:29,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:29,720 INFO L229 MonitoredProcess]: Starting monitored process 544 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:29,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (544)] Waiting until timeout for monitored process [2024-12-06 00:42:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:30,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:30,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:30,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:31,009 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:31,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (544)] Ended with exit code 0 [2024-12-06 00:42:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:31,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:31,017 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:31,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:31,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:31,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:31,018 INFO L229 MonitoredProcess]: Starting monitored process 545 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:31,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (545)] Waiting until timeout for monitored process [2024-12-06 00:42:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:31,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:31,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:31,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:32,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (545)] Ended with exit code 0 [2024-12-06 00:42:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:32,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:32,340 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:32,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:32,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:32,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:32,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:32,341 INFO L229 MonitoredProcess]: Starting monitored process 546 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:32,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (546)] Waiting until timeout for monitored process [2024-12-06 00:42:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:32,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:32,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:42:32,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:33,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:33,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (546)] Ended with exit code 0 [2024-12-06 00:42:33,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:33,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:33,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:33,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:33,992 INFO L229 MonitoredProcess]: Starting monitored process 547 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:33,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (547)] Waiting until timeout for monitored process [2024-12-06 00:42:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:34,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:34,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:42:34,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:35,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (547)] Forceful destruction successful, exit code 0 [2024-12-06 00:42:35,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:35,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:35,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:35,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:35,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:35,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:35,532 INFO L229 MonitoredProcess]: Starting monitored process 548 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:35,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (548)] Waiting until timeout for monitored process [2024-12-06 00:42:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:36,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:36,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:36,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:36,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (548)] Ended with exit code 0 [2024-12-06 00:42:36,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:36,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:36,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:36,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:36,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:36,885 INFO L229 MonitoredProcess]: Starting monitored process 549 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:36,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (549)] Waiting until timeout for monitored process [2024-12-06 00:42:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:37,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:37,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:42:37,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:38,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (549)] Ended with exit code 0 [2024-12-06 00:42:38,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:38,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:38,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:38,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:38,350 INFO L229 MonitoredProcess]: Starting monitored process 550 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:38,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (550)] Waiting until timeout for monitored process [2024-12-06 00:42:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:38,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:38,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:42:38,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:39,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (550)] Ended with exit code 0 [2024-12-06 00:42:39,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:39,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:39,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:39,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:39,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:39,790 INFO L229 MonitoredProcess]: Starting monitored process 551 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:39,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (551)] Waiting until timeout for monitored process [2024-12-06 00:42:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:40,281 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:40,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:42:40,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:41,206 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:41,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (551)] Forceful destruction successful, exit code 0 [2024-12-06 00:42:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:41,302 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:41,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:41,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:41,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:41,304 INFO L229 MonitoredProcess]: Starting monitored process 552 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:41,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (552)] Waiting until timeout for monitored process [2024-12-06 00:42:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:41,789 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:41,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:42:41,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:42,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (552)] Ended with exit code 0 [2024-12-06 00:42:42,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:42,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:42,723 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:42,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:42,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:42,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:42,724 INFO L229 MonitoredProcess]: Starting monitored process 553 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:42,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (553)] Waiting until timeout for monitored process [2024-12-06 00:42:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:43,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:43,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:43,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:44,096 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:44,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (553)] Ended with exit code 0 [2024-12-06 00:42:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:44,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:44,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:44,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:44,105 INFO L229 MonitoredProcess]: Starting monitored process 554 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:44,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (554)] Waiting until timeout for monitored process [2024-12-06 00:42:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:44,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:44,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:44,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:45,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (554)] Ended with exit code 0 [2024-12-06 00:42:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:45,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:45,490 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:45,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:45,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:45,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:45,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:45,492 INFO L229 MonitoredProcess]: Starting monitored process 555 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:45,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (555)] Waiting until timeout for monitored process [2024-12-06 00:42:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:45,979 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:46,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:46,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:46,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (555)] Ended with exit code 0 [2024-12-06 00:42:46,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:46,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:46,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:46,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:46,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:46,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:46,798 INFO L229 MonitoredProcess]: Starting monitored process 556 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:46,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (556)] Waiting until timeout for monitored process [2024-12-06 00:42:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:47,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:47,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:47,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:48,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (556)] Ended with exit code 0 [2024-12-06 00:42:48,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:48,091 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:48,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:48,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:48,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:48,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:48,093 INFO L229 MonitoredProcess]: Starting monitored process 557 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:48,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (557)] Waiting until timeout for monitored process [2024-12-06 00:42:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:48,586 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:48,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:42:48,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:49,657 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:49,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (557)] Ended with exit code 0 [2024-12-06 00:42:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:49,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:49,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:49,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:49,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:49,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:49,771 INFO L229 MonitoredProcess]: Starting monitored process 558 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:49,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (558)] Waiting until timeout for monitored process [2024-12-06 00:42:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:50,258 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:50,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:50,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:51,079 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:51,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (558)] Ended with exit code 0 [2024-12-06 00:42:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:51,086 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:51,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:51,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:51,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:51,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:51,088 INFO L229 MonitoredProcess]: Starting monitored process 559 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:51,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (559)] Waiting until timeout for monitored process [2024-12-06 00:42:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:51,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:51,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:42:51,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:52,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:52,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (559)] Ended with exit code 0 [2024-12-06 00:42:52,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:52,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:52,505 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:52,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:52,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:52,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:52,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:52,506 INFO L229 MonitoredProcess]: Starting monitored process 560 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:52,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (560)] Waiting until timeout for monitored process [2024-12-06 00:42:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:52,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:53,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:53,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:53,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (560)] Ended with exit code 0 [2024-12-06 00:42:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:53,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:53,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:53,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:53,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:53,874 INFO L229 MonitoredProcess]: Starting monitored process 561 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:53,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (561)] Waiting until timeout for monitored process [2024-12-06 00:42:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:54,369 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:54,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:42:54,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:56,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (561)] Ended with exit code 0 [2024-12-06 00:42:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:56,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:56,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:56,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:56,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:56,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:56,225 INFO L229 MonitoredProcess]: Starting monitored process 562 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:56,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (562)] Waiting until timeout for monitored process [2024-12-06 00:42:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:56,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:56,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:56,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:57,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (562)] Ended with exit code 0 [2024-12-06 00:42:57,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:57,588 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:57,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:57,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:57,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:57,590 INFO L229 MonitoredProcess]: Starting monitored process 563 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:57,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (563)] Waiting until timeout for monitored process [2024-12-06 00:42:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:58,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:58,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:58,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:42:58,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (563)] Ended with exit code 0 [2024-12-06 00:42:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:58,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:42:58,974 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:42:58,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:42:58,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:58,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:58,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:58,976 INFO L229 MonitoredProcess]: Starting monitored process 564 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:58,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (564)] Waiting until timeout for monitored process [2024-12-06 00:42:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:59,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:59,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:42:59,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:00,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (564)] Ended with exit code 0 [2024-12-06 00:43:00,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:00,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:00,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:00,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:00,326 INFO L229 MonitoredProcess]: Starting monitored process 565 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:00,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (565)] Waiting until timeout for monitored process [2024-12-06 00:43:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:00,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:00,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:00,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:01,720 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:01,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (565)] Ended with exit code 0 [2024-12-06 00:43:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:01,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:01,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:01,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:01,729 INFO L229 MonitoredProcess]: Starting monitored process 566 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:01,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (566)] Waiting until timeout for monitored process [2024-12-06 00:43:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:02,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:02,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:02,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:03,193 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:03,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (566)] Forceful destruction successful, exit code 0 [2024-12-06 00:43:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:03,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:03,200 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:03,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:03,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:03,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:03,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:03,201 INFO L229 MonitoredProcess]: Starting monitored process 567 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:03,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (567)] Waiting until timeout for monitored process [2024-12-06 00:43:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:03,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:03,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:03,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:04,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (567)] Ended with exit code 0 [2024-12-06 00:43:04,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:04,586 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:04,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:04,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:04,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:04,588 INFO L229 MonitoredProcess]: Starting monitored process 568 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:04,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (568)] Waiting until timeout for monitored process [2024-12-06 00:43:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:05,066 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:05,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:05,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:05,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (568)] Ended with exit code 0 [2024-12-06 00:43:05,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:05,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:05,929 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:05,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:05,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:05,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:05,930 INFO L229 MonitoredProcess]: Starting monitored process 569 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:05,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (569)] Waiting until timeout for monitored process [2024-12-06 00:43:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:06,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:06,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:43:06,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:07,400 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:07,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (569)] Ended with exit code 0 [2024-12-06 00:43:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:07,505 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:07,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:07,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:07,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:07,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:07,506 INFO L229 MonitoredProcess]: Starting monitored process 570 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:07,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (570)] Waiting until timeout for monitored process [2024-12-06 00:43:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:08,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:08,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:08,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:08,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (570)] Ended with exit code 0 [2024-12-06 00:43:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:08,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:08,865 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:08,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:08,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:08,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:08,866 INFO L229 MonitoredProcess]: Starting monitored process 571 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:08,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (571)] Waiting until timeout for monitored process [2024-12-06 00:43:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:09,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:09,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:43:09,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:10,205 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:10,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (571)] Ended with exit code 0 [2024-12-06 00:43:10,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:10,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:10,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:10,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:10,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:10,307 INFO L229 MonitoredProcess]: Starting monitored process 572 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:10,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (572)] Waiting until timeout for monitored process [2024-12-06 00:43:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:10,792 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:10,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:10,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:11,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (572)] Ended with exit code 0 [2024-12-06 00:43:11,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:11,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:11,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:11,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:11,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:11,710 INFO L229 MonitoredProcess]: Starting monitored process 573 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:11,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (573)] Waiting until timeout for monitored process [2024-12-06 00:43:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:12,199 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:12,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:43:12,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:13,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (573)] Ended with exit code 0 [2024-12-06 00:43:13,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:13,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:13,174 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:13,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:13,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:13,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:13,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:13,176 INFO L229 MonitoredProcess]: Starting monitored process 574 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:13,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (574)] Waiting until timeout for monitored process [2024-12-06 00:43:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:13,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:13,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:13,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:14,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (574)] Ended with exit code 0 [2024-12-06 00:43:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:14,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:14,466 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:14,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:14,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:14,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:14,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:14,467 INFO L229 MonitoredProcess]: Starting monitored process 575 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:14,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (575)] Waiting until timeout for monitored process [2024-12-06 00:43:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:14,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:14,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:14,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:15,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (575)] Ended with exit code 0 [2024-12-06 00:43:15,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:15,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:15,824 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:15,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:15,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:15,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:15,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:15,825 INFO L229 MonitoredProcess]: Starting monitored process 576 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:15,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (576)] Waiting until timeout for monitored process [2024-12-06 00:43:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:16,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:16,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:16,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:17,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (576)] Forceful destruction successful, exit code 0 [2024-12-06 00:43:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:17,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:17,108 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:17,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:17,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:17,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:17,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:17,110 INFO L229 MonitoredProcess]: Starting monitored process 577 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:17,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (577)] Waiting until timeout for monitored process [2024-12-06 00:43:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:17,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:17,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:17,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:18,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (577)] Ended with exit code 0 [2024-12-06 00:43:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:18,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:18,491 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:18,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:18,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:18,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:18,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:18,493 INFO L229 MonitoredProcess]: Starting monitored process 578 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:18,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (578)] Waiting until timeout for monitored process [2024-12-06 00:43:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:18,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:19,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:43:19,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:19,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (578)] Ended with exit code 0 [2024-12-06 00:43:19,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:19,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:19,948 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:19,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:19,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:19,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:19,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:19,950 INFO L229 MonitoredProcess]: Starting monitored process 579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:19,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (579)] Waiting until timeout for monitored process [2024-12-06 00:43:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:20,431 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:20,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:20,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:21,298 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:21,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (579)] Ended with exit code 0 [2024-12-06 00:43:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:21,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:21,305 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:21,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:21,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:21,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:21,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:21,307 INFO L229 MonitoredProcess]: Starting monitored process 580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:21,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (580)] Waiting until timeout for monitored process [2024-12-06 00:43:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:21,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:21,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:21,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:22,553 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:22,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (580)] Ended with exit code 0 [2024-12-06 00:43:22,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:22,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:22,560 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:22,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:22,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:22,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:22,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:22,562 INFO L229 MonitoredProcess]: Starting monitored process 581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:22,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (581)] Waiting until timeout for monitored process [2024-12-06 00:43:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:23,042 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:23,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:23,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:23,915 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:23,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (581)] Ended with exit code 0 [2024-12-06 00:43:23,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:23,922 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:23,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:23,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:23,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:23,924 INFO L229 MonitoredProcess]: Starting monitored process 582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:23,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (582)] Waiting until timeout for monitored process [2024-12-06 00:43:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:24,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:24,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:24,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:25,195 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:25,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (582)] Ended with exit code 0 [2024-12-06 00:43:25,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:25,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:25,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:25,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:25,204 INFO L229 MonitoredProcess]: Starting monitored process 583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:25,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (583)] Waiting until timeout for monitored process [2024-12-06 00:43:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:25,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:25,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:25,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:26,576 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:26,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (583)] Ended with exit code 0 [2024-12-06 00:43:26,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:26,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:26,583 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:26,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:26,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:26,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:26,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:26,585 INFO L229 MonitoredProcess]: Starting monitored process 584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:26,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (584)] Waiting until timeout for monitored process [2024-12-06 00:43:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:27,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:27,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:27,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:27,932 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:27,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (584)] Ended with exit code 0 [2024-12-06 00:43:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:27,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:27,939 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:27,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:27,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:27,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:27,940 INFO L229 MonitoredProcess]: Starting monitored process 585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:27,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (585)] Waiting until timeout for monitored process [2024-12-06 00:43:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:28,425 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:28,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:28,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:29,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (585)] Ended with exit code 0 [2024-12-06 00:43:29,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:29,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:29,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:29,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:29,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:29,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:29,367 INFO L229 MonitoredProcess]: Starting monitored process 586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:29,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (586)] Waiting until timeout for monitored process [2024-12-06 00:43:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:29,851 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:29,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:29,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:30,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (586)] Forceful destruction successful, exit code 0 [2024-12-06 00:43:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:30,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:30,697 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:30,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:30,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:30,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:30,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:30,699 INFO L229 MonitoredProcess]: Starting monitored process 587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:30,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (587)] Waiting until timeout for monitored process [2024-12-06 00:43:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:31,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:31,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:31,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:31,978 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:31,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (587)] Ended with exit code 0 [2024-12-06 00:43:31,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:31,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:31,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:31,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:31,987 INFO L229 MonitoredProcess]: Starting monitored process 588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:31,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (588)] Waiting until timeout for monitored process [2024-12-06 00:43:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:32,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:32,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:32,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:33,414 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:33,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (588)] Ended with exit code 0 [2024-12-06 00:43:33,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:33,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:33,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:33,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:33,423 INFO L229 MonitoredProcess]: Starting monitored process 589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:33,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (589)] Waiting until timeout for monitored process [2024-12-06 00:43:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:33,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:33,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:33,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:34,758 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:34,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (589)] Ended with exit code 0 [2024-12-06 00:43:34,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:34,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:34,766 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:34,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:34,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:34,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:34,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:34,767 INFO L229 MonitoredProcess]: Starting monitored process 590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:34,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (590)] Waiting until timeout for monitored process [2024-12-06 00:43:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:35,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:35,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:35,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:35,957 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:35,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (590)] Forceful destruction successful, exit code 0 [2024-12-06 00:43:35,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:35,964 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:35,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:35,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:35,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:35,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:35,966 INFO L229 MonitoredProcess]: Starting monitored process 591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:35,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (591)] Waiting until timeout for monitored process [2024-12-06 00:43:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:36,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:36,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:36,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:37,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (591)] Ended with exit code 0 [2024-12-06 00:43:37,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:37,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:37,356 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:37,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:37,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:37,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:37,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:37,358 INFO L229 MonitoredProcess]: Starting monitored process 592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:37,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (592)] Waiting until timeout for monitored process [2024-12-06 00:43:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:37,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:37,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:43:37,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:38,715 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:38,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (592)] Ended with exit code 0 [2024-12-06 00:43:38,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:38,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:38,760 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:38,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:38,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:38,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:38,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:38,761 INFO L229 MonitoredProcess]: Starting monitored process 593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:38,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (593)] Waiting until timeout for monitored process [2024-12-06 00:43:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:39,246 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:39,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:39,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:40,149 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:40,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (593)] Ended with exit code 0 [2024-12-06 00:43:40,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:40,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:40,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:40,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:40,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:40,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:40,157 INFO L229 MonitoredProcess]: Starting monitored process 594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:40,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (594)] Waiting until timeout for monitored process [2024-12-06 00:43:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:40,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:40,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:40,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:41,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (594)] Ended with exit code 0 [2024-12-06 00:43:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:41,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:41,612 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:41,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:41,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:41,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:41,613 INFO L229 MonitoredProcess]: Starting monitored process 595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:41,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (595)] Waiting until timeout for monitored process [2024-12-06 00:43:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:42,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:42,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:42,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:42,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (595)] Ended with exit code 0 [2024-12-06 00:43:42,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:42,934 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:42,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:42,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:42,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:42,935 INFO L229 MonitoredProcess]: Starting monitored process 596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:42,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (596)] Waiting until timeout for monitored process [2024-12-06 00:43:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:43,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:43,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:43,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:44,330 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:44,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (596)] Ended with exit code 0 [2024-12-06 00:43:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:44,337 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:44,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:44,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:44,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:44,339 INFO L229 MonitoredProcess]: Starting monitored process 597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:44,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (597)] Waiting until timeout for monitored process [2024-12-06 00:43:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:44,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:44,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:43:44,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:45,723 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:45,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (597)] Ended with exit code 0 [2024-12-06 00:43:45,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:45,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:45,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:45,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:45,771 INFO L229 MonitoredProcess]: Starting monitored process 598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:45,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (598)] Waiting until timeout for monitored process [2024-12-06 00:43:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:46,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:46,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:43:46,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:47,112 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:47,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (598)] Ended with exit code 0 [2024-12-06 00:43:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:47,154 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:47,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:47,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:47,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:47,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:47,156 INFO L229 MonitoredProcess]: Starting monitored process 599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:47,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (599)] Waiting until timeout for monitored process [2024-12-06 00:43:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:47,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:47,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:47,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:48,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (599)] Ended with exit code 0 [2024-12-06 00:43:48,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:48,526 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:48,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:48,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:48,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:48,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:48,527 INFO L229 MonitoredProcess]: Starting monitored process 600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:48,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (600)] Waiting until timeout for monitored process [2024-12-06 00:43:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:49,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:49,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:43:49,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:49,930 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:49,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (600)] Ended with exit code 0 [2024-12-06 00:43:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:49,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:49,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:49,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:49,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:49,979 INFO L229 MonitoredProcess]: Starting monitored process 601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:49,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (601)] Waiting until timeout for monitored process [2024-12-06 00:43:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:50,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:50,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:43:50,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:51,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (601)] Ended with exit code 0 [2024-12-06 00:43:51,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:51,463 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:51,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:51,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:51,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:51,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:51,464 INFO L229 MonitoredProcess]: Starting monitored process 602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:51,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (602)] Waiting until timeout for monitored process [2024-12-06 00:43:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:51,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:51,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:51,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:52,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (602)] Ended with exit code 0 [2024-12-06 00:43:52,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:52,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:52,791 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:52,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:52,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:52,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:52,793 INFO L229 MonitoredProcess]: Starting monitored process 603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:52,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (603)] Waiting until timeout for monitored process [2024-12-06 00:43:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:53,283 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:53,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:53,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:54,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (603)] Ended with exit code 0 [2024-12-06 00:43:54,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:54,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:54,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:54,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:54,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:54,120 INFO L229 MonitoredProcess]: Starting monitored process 604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:54,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (604)] Waiting until timeout for monitored process [2024-12-06 00:43:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:54,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:54,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:54,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:55,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (604)] Forceful destruction successful, exit code 0 [2024-12-06 00:43:55,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:55,541 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:55,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:55,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:55,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:55,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:55,542 INFO L229 MonitoredProcess]: Starting monitored process 605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:55,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (605)] Waiting until timeout for monitored process [2024-12-06 00:43:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:56,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:56,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:56,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:56,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (605)] Ended with exit code 0 [2024-12-06 00:43:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:56,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:56,881 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:56,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:56,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:56,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:56,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:56,883 INFO L229 MonitoredProcess]: Starting monitored process 606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:56,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (606)] Waiting until timeout for monitored process [2024-12-06 00:43:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:57,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:57,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:57,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:58,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (606)] Ended with exit code 0 [2024-12-06 00:43:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:58,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:58,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:58,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:58,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:58,208 INFO L229 MonitoredProcess]: Starting monitored process 607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:58,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (607)] Waiting until timeout for monitored process [2024-12-06 00:43:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:58,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:58,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:43:58,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:43:59,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (607)] Ended with exit code 0 [2024-12-06 00:43:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:43:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:43:59,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:43:59,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:59,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:59,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:59,614 INFO L229 MonitoredProcess]: Starting monitored process 608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:59,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (608)] Waiting until timeout for monitored process [2024-12-06 00:44:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:00,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:00,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:00,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:00,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (608)] Ended with exit code 0 [2024-12-06 00:44:00,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:00,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:00,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:00,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:00,982 INFO L229 MonitoredProcess]: Starting monitored process 609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:00,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (609)] Waiting until timeout for monitored process [2024-12-06 00:44:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:01,465 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:01,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:01,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:02,228 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:02,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (609)] Ended with exit code 0 [2024-12-06 00:44:02,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:02,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:02,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:02,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:02,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:02,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:02,236 INFO L229 MonitoredProcess]: Starting monitored process 610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:02,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (610)] Waiting until timeout for monitored process [2024-12-06 00:44:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:02,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:02,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:02,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:03,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (610)] Ended with exit code 0 [2024-12-06 00:44:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:03,546 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:03,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:03,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:03,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:03,547 INFO L229 MonitoredProcess]: Starting monitored process 611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:03,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (611)] Waiting until timeout for monitored process [2024-12-06 00:44:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:04,025 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:04,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:04,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:04,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (611)] Ended with exit code 0 [2024-12-06 00:44:04,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:04,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:04,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:04,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:04,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:04,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:04,814 INFO L229 MonitoredProcess]: Starting monitored process 612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:04,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (612)] Waiting until timeout for monitored process [2024-12-06 00:44:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:05,295 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:05,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:44:05,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:06,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (612)] Ended with exit code 0 [2024-12-06 00:44:06,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:06,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:06,265 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:06,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:06,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:06,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:06,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:06,267 INFO L229 MonitoredProcess]: Starting monitored process 613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:06,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (613)] Waiting until timeout for monitored process [2024-12-06 00:44:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:06,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:06,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:06,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:07,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (613)] Ended with exit code 0 [2024-12-06 00:44:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:07,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:07,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:07,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:07,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:07,666 INFO L229 MonitoredProcess]: Starting monitored process 614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:07,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (614)] Waiting until timeout for monitored process [2024-12-06 00:44:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:08,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:08,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:44:08,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:09,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (614)] Ended with exit code 0 [2024-12-06 00:44:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:09,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:09,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:09,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:09,147 INFO L229 MonitoredProcess]: Starting monitored process 615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:09,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (615)] Waiting until timeout for monitored process [2024-12-06 00:44:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:09,625 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:09,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:09,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:10,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (615)] Ended with exit code 0 [2024-12-06 00:44:10,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:10,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:10,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:10,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:10,513 INFO L229 MonitoredProcess]: Starting monitored process 616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:10,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (616)] Waiting until timeout for monitored process [2024-12-06 00:44:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:10,998 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:11,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:11,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:11,903 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:11,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (616)] Ended with exit code 0 [2024-12-06 00:44:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:11,910 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:11,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:11,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:11,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:11,911 INFO L229 MonitoredProcess]: Starting monitored process 617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:11,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (617)] Waiting until timeout for monitored process [2024-12-06 00:44:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:12,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:12,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:12,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:13,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (617)] Ended with exit code 0 [2024-12-06 00:44:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:13,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:13,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:13,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:13,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:13,182 INFO L229 MonitoredProcess]: Starting monitored process 618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:13,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (618)] Waiting until timeout for monitored process [2024-12-06 00:44:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:13,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:13,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:13,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:14,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (618)] Ended with exit code 0 [2024-12-06 00:44:14,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:14,509 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:14,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:14,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:14,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:14,511 INFO L229 MonitoredProcess]: Starting monitored process 619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:14,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (619)] Waiting until timeout for monitored process [2024-12-06 00:44:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:14,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:15,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:15,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:15,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (619)] Ended with exit code 0 [2024-12-06 00:44:15,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:15,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:15,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:15,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:15,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:15,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:15,882 INFO L229 MonitoredProcess]: Starting monitored process 620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:15,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (620)] Waiting until timeout for monitored process [2024-12-06 00:44:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:16,357 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:16,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:16,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:17,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (620)] Ended with exit code 0 [2024-12-06 00:44:17,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:17,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:17,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:17,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:17,161 INFO L229 MonitoredProcess]: Starting monitored process 621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:17,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (621)] Waiting until timeout for monitored process [2024-12-06 00:44:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:17,649 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:17,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:17,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:18,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (621)] Ended with exit code 0 [2024-12-06 00:44:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:18,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:18,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:18,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:18,442 INFO L229 MonitoredProcess]: Starting monitored process 622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:18,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (622)] Waiting until timeout for monitored process [2024-12-06 00:44:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:18,923 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:18,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:18,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:19,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (622)] Ended with exit code 0 [2024-12-06 00:44:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:19,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:19,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:19,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:19,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:19,773 INFO L229 MonitoredProcess]: Starting monitored process 623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:19,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (623)] Waiting until timeout for monitored process [2024-12-06 00:44:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:20,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:20,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:44:20,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:21,151 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:21,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (623)] Ended with exit code 0 [2024-12-06 00:44:21,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:21,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:21,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:21,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:21,252 INFO L229 MonitoredProcess]: Starting monitored process 624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:21,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (624)] Waiting until timeout for monitored process [2024-12-06 00:44:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:21,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:21,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:21,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:22,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (624)] Ended with exit code 0 [2024-12-06 00:44:22,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:22,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:22,548 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:22,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:22,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:22,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:22,550 INFO L229 MonitoredProcess]: Starting monitored process 625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:22,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (625)] Waiting until timeout for monitored process [2024-12-06 00:44:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:23,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:23,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:23,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:23,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (625)] Forceful destruction successful, exit code 0 [2024-12-06 00:44:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:23,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:23,746 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:23,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:23,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:23,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:23,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:23,747 INFO L229 MonitoredProcess]: Starting monitored process 626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:23,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (626)] Waiting until timeout for monitored process [2024-12-06 00:44:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:24,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:24,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:24,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:24,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (626)] Ended with exit code 0 [2024-12-06 00:44:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:25,001 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:25,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:25,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:25,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:25,003 INFO L229 MonitoredProcess]: Starting monitored process 627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:25,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (627)] Waiting until timeout for monitored process [2024-12-06 00:44:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:25,486 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:25,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:25,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:26,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (627)] Ended with exit code 0 [2024-12-06 00:44:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:26,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:26,395 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:26,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:26,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:26,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:26,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:26,397 INFO L229 MonitoredProcess]: Starting monitored process 628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:26,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (628)] Waiting until timeout for monitored process [2024-12-06 00:44:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:26,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:26,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:26,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:27,767 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:27,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (628)] Ended with exit code 0 [2024-12-06 00:44:27,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:27,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:27,774 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:27,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:27,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:27,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:27,775 INFO L229 MonitoredProcess]: Starting monitored process 629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:27,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (629)] Waiting until timeout for monitored process [2024-12-06 00:44:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:28,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:28,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:28,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:29,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (629)] Forceful destruction successful, exit code 0 [2024-12-06 00:44:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:29,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:29,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:29,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:29,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:29,111 INFO L229 MonitoredProcess]: Starting monitored process 630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:29,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (630)] Waiting until timeout for monitored process [2024-12-06 00:44:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:29,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:29,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:29,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:30,413 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:30,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (630)] Ended with exit code 0 [2024-12-06 00:44:30,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:30,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:30,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:30,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:30,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:30,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:30,421 INFO L229 MonitoredProcess]: Starting monitored process 631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:30,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (631)] Waiting until timeout for monitored process [2024-12-06 00:44:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:30,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:30,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:44:30,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:31,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (631)] Ended with exit code 0 [2024-12-06 00:44:31,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:31,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:31,943 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:31,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:31,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:31,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:31,944 INFO L229 MonitoredProcess]: Starting monitored process 632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:31,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (632)] Waiting until timeout for monitored process [2024-12-06 00:44:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:32,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:32,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:32,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:33,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:33,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (632)] Forceful destruction successful, exit code 0 [2024-12-06 00:44:33,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:33,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:33,305 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:33,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:33,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:33,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:33,306 INFO L229 MonitoredProcess]: Starting monitored process 633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:33,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (633)] Waiting until timeout for monitored process [2024-12-06 00:44:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:33,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:33,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:33,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:34,668 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:34,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (633)] Ended with exit code 0 [2024-12-06 00:44:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:34,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:34,675 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:34,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:34,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:34,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:34,676 INFO L229 MonitoredProcess]: Starting monitored process 634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:34,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (634)] Waiting until timeout for monitored process [2024-12-06 00:44:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:35,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:35,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:35,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:36,018 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:36,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (634)] Ended with exit code 0 [2024-12-06 00:44:36,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:36,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:36,025 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:36,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:36,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:36,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:36,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:36,027 INFO L229 MonitoredProcess]: Starting monitored process 635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:36,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (635)] Waiting until timeout for monitored process [2024-12-06 00:44:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:36,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:36,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:44:36,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:44:37,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (635)] Forceful destruction successful, exit code 0 [2024-12-06 00:44:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:37,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 00:44:37,625 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 00:44:37,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:44:37,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:37,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:37,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:37,627 INFO L229 MonitoredProcess]: Starting monitored process 636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:37,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1ed3dc-28e9-4418-a8a4-387ffedce30e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (636)] Waiting until timeout for monitored process