./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c --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_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3 --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 0bfc420caf514ea414f953298982e07543f1888205e2b6533af51ab5738bd69c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:29:30,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:29:30,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:29:30,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:29:30,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:29:30,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:29:30,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:29:30,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:29:30,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:29:30,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:29:30,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:29:30,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:29:30,750 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:29:30,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:29:30,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:29:30,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:29:30,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:29:30,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:29:30,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:29:30,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:29:30,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:29:30,752 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:29:30,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:29:30,752 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:29:30,752 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:29:30,752 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:29:30,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:29:30,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:29:30,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:29:30,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:29:30,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:29:30,753 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:29:30,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:29:30,753 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_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3 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 -> 0bfc420caf514ea414f953298982e07543f1888205e2b6533af51ab5738bd69c [2024-11-25 04:29:31,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:29:31,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:29:31,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:29:31,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:29:31,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:29:31,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-11-25 04:29:34,067 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/data/fe3a1222b/ebd617e1da85438abf71d06b27d72a11/FLAGc82034d5b [2024-11-25 04:29:34,421 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:29:34,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-11-25 04:29:34,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/data/fe3a1222b/ebd617e1da85438abf71d06b27d72a11/FLAGc82034d5b [2024-11-25 04:29:34,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/data/fe3a1222b/ebd617e1da85438abf71d06b27d72a11 [2024-11-25 04:29:34,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:29:34,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:29:34,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:29:34,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:29:34,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:29:34,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497d486e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34, skipping insertion in model container [2024-11-25 04:29:34,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:29:34,667 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_f16b19ec-687f-40f0-886d-741433c0cd21/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[588,601] [2024-11-25 04:29:34,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:29:34,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:29:34,700 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_f16b19ec-687f-40f0-886d-741433c0cd21/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[588,601] [2024-11-25 04:29:34,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:29:34,722 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:29:34,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34 WrapperNode [2024-11-25 04:29:34,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:29:34,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:29:34,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:29:34,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:29:34,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,757 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-25 04:29:34,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:29:34,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:29:34,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:29:34,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:29:34,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,770 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:29:34,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:29:34,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:29:34,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:29:34,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:34" (1/1) ... [2024-11-25 04:29:34,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:29:34,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:29:34,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:29:34,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:29:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:29:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:29:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:29:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:29:34,923 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:29:34,925 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:29:35,038 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 04:29:35,038 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:29:35,135 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:29:35,136 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:29:35,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:35 BoogieIcfgContainer [2024-11-25 04:29:35,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:29:35,138 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:29:35,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:29:35,148 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:29:35,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:35" (1/1) ... [2024-11-25 04:29:35,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:29:35,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 04:29:35,216 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 04:29:35,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:29:35,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:35,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:35,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-25 04:29:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-25 04:29:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:29:35,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:35,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-25 04:29:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-25 04:29:35,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:29:35,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:35,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:29:35,987 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:29:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:29:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:29:36,096 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:29:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:29:36,118 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 04:29:36,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:29:36 ImpRootNode [2024-11-25 04:29:36,141 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:29:36,142 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:29:36,142 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:29:36,142 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:29:36,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:35" (3/4) ... [2024-11-25 04:29:36,145 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:29:36,146 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:29:36,147 INFO L158 Benchmark]: Toolchain (without parser) took 1654.16ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 87.8MB in the end (delta: 6.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-25 04:29:36,147 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 167.8MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:29:36,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.32ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 83.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:29:36,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.36ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:29:36,151 INFO L158 Benchmark]: Boogie Preprocessor took 24.56ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.2MB in the end (delta: 803.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:29:36,152 INFO L158 Benchmark]: RCFGBuilder took 350.63ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 69.5MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:29:36,152 INFO L158 Benchmark]: CodeCheck took 1003.90ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 88.4MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:29:36,153 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 87.8MB in the end (delta: 609.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:29:36,157 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 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 14 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 14]: 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 bitwiseAnd at line 23. Possible FailurePath: [L19] unsigned int x = 5; VAL [x=5] [L20] COND TRUE __VERIFIER_nondet_int() [L21] x += 8 VAL [x=13] [L20] COND FALSE !(__VERIFIER_nondet_int()) [L23] EXPR x & 5 [L23] CALL __VERIFIER_assert((x & 5) == 5) [L13] COND TRUE !(cond) [L14] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 167.8MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.32ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 83.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.36ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.56ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.2MB in the end (delta: 803.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 350.63ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 69.5MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1003.90ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 88.4MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 87.8MB in the end (delta: 609.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:29:36,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/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_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3 --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 0bfc420caf514ea414f953298982e07543f1888205e2b6533af51ab5738bd69c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:29:38,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:29:39,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:29:39,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:29:39,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:29:39,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:29:39,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:29:39,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:29:39,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:29:39,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:29:39,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:29:39,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:29:39,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:29:39,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:29:39,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:29:39,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:29:39,108 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:29:39,108 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:29:39,108 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:29:39,108 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:29:39,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:29:39,108 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:29:39,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:29:39,108 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:29:39,108 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:29:39,108 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:29:39,108 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:39,109 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:29:39,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:29:39,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:29:39,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:29:39,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:29:39,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:29:39,109 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:29:39,109 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:39,109 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:29:39,109 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_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3 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 -> 0bfc420caf514ea414f953298982e07543f1888205e2b6533af51ab5738bd69c [2024-11-25 04:29:39,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:29:39,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:29:39,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:29:39,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:29:39,492 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:29:39,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-11-25 04:29:42,502 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/data/2d9f234f1/85b1c9f5611e49d19fb783788620f75e/FLAGd8dff6b04 [2024-11-25 04:29:42,741 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:29:42,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-11-25 04:29:42,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/data/2d9f234f1/85b1c9f5611e49d19fb783788620f75e/FLAGd8dff6b04 [2024-11-25 04:29:42,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/data/2d9f234f1/85b1c9f5611e49d19fb783788620f75e [2024-11-25 04:29:42,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:29:42,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:29:42,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:29:42,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:29:42,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:29:42,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:29:42" (1/1) ... [2024-11-25 04:29:42,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f54f7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:42, skipping insertion in model container [2024-11-25 04:29:42,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:29:42" (1/1) ... [2024-11-25 04:29:42,805 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:29:42,973 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_f16b19ec-687f-40f0-886d-741433c0cd21/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[588,601] [2024-11-25 04:29:42,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:29:43,007 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:29:43,019 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_f16b19ec-687f-40f0-886d-741433c0cd21/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[588,601] [2024-11-25 04:29:43,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:29:43,041 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:29:43,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43 WrapperNode [2024-11-25 04:29:43,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:29:43,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:29:43,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:29:43,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:29:43,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,078 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2024-11-25 04:29:43,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:29:43,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:29:43,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:29:43,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:29:43,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,095 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:29:43,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:29:43,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:29:43,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:29:43,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:29:43,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:29:43,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:29:43,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:29:43,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:29:43,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:29:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:29:43,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:29:43,242 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:29:43,244 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:29:43,356 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 04:29:43,357 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:29:43,388 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:29:43,388 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:29:43,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:43 BoogieIcfgContainer [2024-11-25 04:29:43,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:29:43,390 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:29:43,390 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:29:43,401 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:29:43,401 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:43" (1/1) ... [2024-11-25 04:29:43,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:29:43,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:43,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 04:29:43,466 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 04:29:43,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:29:43,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:43,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:43,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:43,472 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:43,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:29:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:43,563 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:43,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 04:29:43,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:43,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:43,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:29:43,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-25 04:29:43,654 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-25 04:29:43,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:29:43,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:43,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:43,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:43,656 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:43,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:29:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:43,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:43,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:29:43,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:43,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:29:43,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-25 04:29:43,897 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-25 04:29:43,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:29:43,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:43,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:43,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:43,902 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:43,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:29:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:43,980 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:43,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:29:43,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:44,036 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:29:44,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 04:29:44,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-25 04:29:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-25 04:29:44,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:29:44,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:44,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:44,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:44,145 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:44,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:29:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:44,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:44,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:29:44,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:44,308 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:44,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:29:44,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 04:29:44,419 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 04:29:44,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:29:44,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:44,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:44,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:44,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:44,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:29:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:44,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:44,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:29:44,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:44,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 04:29:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-25 04:29:44,679 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-25 04:29:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:29:44,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:44,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:44,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:44,683 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:44,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:29:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:44,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:44,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:29:44,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:44,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 04:29:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:44,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2024-11-25 04:29:44,984 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-25 04:29:44,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 04:29:44,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:44,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:44,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:44,986 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:44,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 04:29:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:45,058 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:45,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:29:45,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:45,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 04:29:45,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:45,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-25 04:29:45,316 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-25 04:29:45,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:29:45,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:45,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:45,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:45,320 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:45,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 04:29:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:45,393 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:45,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:29:45,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:45,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 04:29:45,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:45,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2024-11-25 04:29:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-25 04:29:45,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:29:45,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:45,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:45,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:45,694 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:45,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 04:29:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:45,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:45,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:29:45,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:45,879 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:45,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 04:29:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-11-25 04:29:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-25 04:29:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 04:29:46,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:46,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:46,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:46,107 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:46,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 04:29:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:46,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:46,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:29:46,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:46,284 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:46,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 04:29:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2024-11-25 04:29:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-11-25 04:29:46,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:29:46,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:46,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:46,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:46,487 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:46,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 04:29:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:46,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:46,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 04:29:46,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:46,715 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:29:46,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-25 04:29:46,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:46,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2024-11-25 04:29:46,931 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2024-11-25 04:29:46,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:29:46,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:46,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:46,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:46,935 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:46,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 04:29:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:47,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:47,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 04:29:47,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:47,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 04:29:47,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2024-11-25 04:29:47,400 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2024-11-25 04:29:47,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 04:29:47,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:47,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:47,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:47,403 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:47,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 04:29:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:47,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:47,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:29:47,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:47,630 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:47,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-25 04:29:47,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2024-11-25 04:29:47,887 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2024-11-25 04:29:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:29:47,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:47,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:47,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:47,891 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:47,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 04:29:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:47,974 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:47,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:29:47,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:48,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 04:29:48,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:48,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2024-11-25 04:29:48,424 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2024-11-25 04:29:48,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 04:29:48,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:48,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:48,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:48,427 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:48,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 04:29:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:48,511 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:48,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 04:29:48,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:48,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 04:29:48,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:48,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2024-11-25 04:29:48,974 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2024-11-25 04:29:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 04:29:48,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:48,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:48,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:48,977 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:48,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 04:29:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:49,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:49,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:29:49,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:49,255 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:49,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 04:29:49,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:49,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2024-11-25 04:29:49,594 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2024-11-25 04:29:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:29:49,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:49,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:49,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:49,598 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:49,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 04:29:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:49,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:49,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:29:49,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:49,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-25 04:29:50,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:50,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2024-11-25 04:29:50,201 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2024-11-25 04:29:50,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 04:29:50,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:50,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:50,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:50,210 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:50,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 04:29:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:50,309 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:50,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:29:50,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:50,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 04:29:50,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2024-11-25 04:29:50,871 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2024-11-25 04:29:50,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 04:29:50,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:50,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:50,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:50,874 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:50,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 04:29:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:50,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:50,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 04:29:50,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:51,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 04:29:51,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2024-11-25 04:29:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2024-11-25 04:29:51,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:29:51,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:51,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:51,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:51,547 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:51,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 04:29:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:51,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:51,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 04:29:51,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:51,823 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:51,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-25 04:29:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2024-11-25 04:29:52,231 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2024-11-25 04:29:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 04:29:52,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:52,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:52,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:52,234 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:52,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 04:29:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:52,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:52,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 04:29:52,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:52,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 04:29:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:52,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2024-11-25 04:29:52,953 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2024-11-25 04:29:52,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 04:29:52,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:52,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:52,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:52,957 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:52,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 04:29:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:53,041 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:53,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 04:29:53,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:53,263 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:53,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-25 04:29:53,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2024-11-25 04:29:53,726 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2024-11-25 04:29:53,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 04:29:53,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:53,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:53,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:53,731 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:53,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 04:29:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:53,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:53,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 04:29:53,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:54,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 04:29:54,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:54,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2024-11-25 04:29:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2024-11-25 04:29:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 04:29:54,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:54,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:54,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:54,470 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:54,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 04:29:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:54,561 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:54,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:29:54,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:54,769 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:54,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 04:29:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:55,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 79 states and 104 transitions. [2024-11-25 04:29:55,246 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2024-11-25 04:29:55,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 04:29:55,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:55,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:55,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:55,248 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:55,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 04:29:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:55,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:55,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 04:29:55,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:55,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 04:29:56,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 82 states and 108 transitions. [2024-11-25 04:29:56,090 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2024-11-25 04:29:56,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-25 04:29:56,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:56,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:56,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:56,095 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:56,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 04:29:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:56,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:56,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 04:29:56,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:56,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 04:29:56,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:56,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2024-11-25 04:29:56,959 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2024-11-25 04:29:56,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 04:29:56,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:56,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:56,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:56,961 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:56,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 04:29:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:57,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:57,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 04:29:57,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:57,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 04:29:57,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:57,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2024-11-25 04:29:57,901 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2024-11-25 04:29:57,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 04:29:57,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:57,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:57,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:57,905 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:57,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 04:29:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:58,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:58,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 04:29:58,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:58,301 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:58,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 04:29:58,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:58,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 91 states and 120 transitions. [2024-11-25 04:29:58,964 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 120 transitions. [2024-11-25 04:29:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-25 04:29:58,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:58,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:58,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:58,969 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:58,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 04:29:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:59,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:59,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 04:29:59,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:59,351 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:59,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-25 04:29:59,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 94 states and 124 transitions. [2024-11-25 04:29:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2024-11-25 04:29:59,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-25 04:29:59,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:59,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:59,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:59,991 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:00,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 04:30:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:00,102 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:00,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 04:30:00,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:00,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 04:30:01,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:01,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 97 states and 128 transitions. [2024-11-25 04:30:01,071 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2024-11-25 04:30:01,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-25 04:30:01,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:01,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:01,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:01,076 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:01,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 04:30:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:01,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:01,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-25 04:30:01,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:01,481 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:01,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 04:30:02,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 100 states and 132 transitions. [2024-11-25 04:30:02,234 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 132 transitions. [2024-11-25 04:30:02,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-25 04:30:02,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:02,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:02,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:02,238 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:02,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 04:30:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:02,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:02,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 04:30:02,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:02,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 04:30:03,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:03,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 103 states and 136 transitions. [2024-11-25 04:30:03,352 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 136 transitions. [2024-11-25 04:30:03,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-25 04:30:03,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:03,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:03,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:03,354 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:03,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 04:30:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:03,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:03,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-25 04:30:03,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:03,740 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:03,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:04,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:04,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 106 states and 140 transitions. [2024-11-25 04:30:04,493 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 140 transitions. [2024-11-25 04:30:04,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-25 04:30:04,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:04,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:04,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:04,497 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:04,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 04:30:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:04,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:04,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 04:30:04,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:04,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:05,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:05,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 109 states and 144 transitions. [2024-11-25 04:30:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2024-11-25 04:30:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-25 04:30:05,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:05,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:05,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:05,733 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:05,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 04:30:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:05,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:05,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-25 04:30:05,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:06,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-25 04:30:06,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:06,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 112 states and 148 transitions. [2024-11-25 04:30:06,952 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 148 transitions. [2024-11-25 04:30:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-25 04:30:06,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:06,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:06,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:06,954 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:06,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 04:30:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:07,066 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:07,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 04:30:07,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:07,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:08,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:08,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 115 states and 152 transitions. [2024-11-25 04:30:08,247 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 152 transitions. [2024-11-25 04:30:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-25 04:30:08,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:08,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:08,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:08,250 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:08,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 04:30:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:08,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:08,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 04:30:08,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:08,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-25 04:30:09,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:09,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 156 transitions. [2024-11-25 04:30:09,567 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2024-11-25 04:30:09,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-25 04:30:09,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:09,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:09,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:09,570 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:09,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 04:30:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:09,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:09,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-25 04:30:09,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:10,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:10,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-25 04:30:10,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:10,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 121 states and 160 transitions. [2024-11-25 04:30:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 160 transitions. [2024-11-25 04:30:10,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-25 04:30:10,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:10,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:10,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:10,980 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:10,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 04:30:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:11,090 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:11,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-25 04:30:11,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:11,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-25 04:30:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 124 states and 164 transitions. [2024-11-25 04:30:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 164 transitions. [2024-11-25 04:30:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-25 04:30:12,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:12,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:12,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:12,369 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:12,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 04:30:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:12,481 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:12,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 04:30:12,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:12,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:12,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:13,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 127 states and 168 transitions. [2024-11-25 04:30:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 168 transitions. [2024-11-25 04:30:13,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-25 04:30:13,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:13,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:13,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:13,813 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:13,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-25 04:30:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:13,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:13,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-25 04:30:13,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:14,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-25 04:30:15,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 130 states and 172 transitions. [2024-11-25 04:30:15,267 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 172 transitions. [2024-11-25 04:30:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-25 04:30:15,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:15,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:15,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:15,274 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:15,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-25 04:30:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:15,390 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:15,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-25 04:30:15,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:15,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:16,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 133 states and 176 transitions. [2024-11-25 04:30:16,849 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 176 transitions. [2024-11-25 04:30:16,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-25 04:30:16,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:16,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:16,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:16,855 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:16,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-25 04:30:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:16,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:17,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-25 04:30:17,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:17,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 136 states and 180 transitions. [2024-11-25 04:30:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 180 transitions. [2024-11-25 04:30:18,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-25 04:30:18,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:18,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:18,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:18,422 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:18,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-25 04:30:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:18,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:18,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-25 04:30:18,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:18,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:20,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:20,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 139 states and 184 transitions. [2024-11-25 04:30:20,270 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 184 transitions. [2024-11-25 04:30:20,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-25 04:30:20,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:20,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:20,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:20,272 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:20,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-25 04:30:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:20,400 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:20,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-25 04:30:20,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:20,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-25 04:30:22,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:22,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 142 states and 188 transitions. [2024-11-25 04:30:22,039 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 188 transitions. [2024-11-25 04:30:22,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-25 04:30:22,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:22,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:22,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:22,044 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:22,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-25 04:30:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:22,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:22,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-25 04:30:22,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:22,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-25 04:30:23,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:23,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 145 states and 192 transitions. [2024-11-25 04:30:23,985 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 192 transitions. [2024-11-25 04:30:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-25 04:30:23,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:23,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:23,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:23,987 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:23,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-25 04:30:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:24,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:24,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-25 04:30:24,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:24,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:24,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-25 04:30:25,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 148 states and 196 transitions. [2024-11-25 04:30:25,765 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2024-11-25 04:30:25,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-25 04:30:25,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:25,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:25,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:25,767 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:25,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-25 04:30:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:25,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:25,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-25 04:30:25,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:26,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:26,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-25 04:30:27,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:27,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 151 states and 200 transitions. [2024-11-25 04:30:27,662 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 200 transitions. [2024-11-25 04:30:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-25 04:30:27,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:27,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:27,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:27,667 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:27,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-25 04:30:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:27,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:27,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-25 04:30:27,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:28,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:28,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-25 04:30:29,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:29,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 154 states and 204 transitions. [2024-11-25 04:30:29,739 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 204 transitions. [2024-11-25 04:30:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-25 04:30:29,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:29,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:29,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:29,741 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:29,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-25 04:30:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:29,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:29,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-25 04:30:29,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:30,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-25 04:30:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 157 states and 208 transitions. [2024-11-25 04:30:31,767 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 208 transitions. [2024-11-25 04:30:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-25 04:30:31,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:31,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:31,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:31,769 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:31,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-25 04:30:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:31,937 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:31,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-25 04:30:31,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:32,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:33,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:33,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 160 states and 212 transitions. [2024-11-25 04:30:33,962 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 212 transitions. [2024-11-25 04:30:33,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-25 04:30:33,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:33,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:33,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:33,964 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:33,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-25 04:30:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:34,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:34,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-25 04:30:34,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:34,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:34,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-25 04:30:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:36,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 163 states and 216 transitions. [2024-11-25 04:30:36,220 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 216 transitions. [2024-11-25 04:30:36,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-25 04:30:36,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:36,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:36,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:36,222 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:36,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-25 04:30:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:36,385 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:36,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-25 04:30:36,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:36,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-25 04:30:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:38,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 220 transitions. [2024-11-25 04:30:38,421 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2024-11-25 04:30:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-25 04:30:38,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:38,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:38,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:38,424 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:38,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-25 04:30:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:38,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:38,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-25 04:30:38,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:39,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:39,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:40,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 169 states and 224 transitions. [2024-11-25 04:30:40,812 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 224 transitions. [2024-11-25 04:30:40,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-25 04:30:40,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:40,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:40,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:40,818 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:40,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-25 04:30:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:40,977 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:41,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-25 04:30:41,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:41,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-25 04:30:43,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:43,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 172 states and 228 transitions. [2024-11-25 04:30:43,157 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 228 transitions. [2024-11-25 04:30:43,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-25 04:30:43,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:43,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:43,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:43,161 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:43,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-25 04:30:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:43,324 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:43,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-25 04:30:43,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:43,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:45,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 175 states and 232 transitions. [2024-11-25 04:30:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-11-25 04:30:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-25 04:30:45,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:45,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:45,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:45,578 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:45,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-25 04:30:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:45,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:45,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-25 04:30:45,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:46,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:46,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-25 04:30:48,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 178 states and 236 transitions. [2024-11-25 04:30:48,034 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 236 transitions. [2024-11-25 04:30:48,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-25 04:30:48,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:48,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:48,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:48,037 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:48,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-25 04:30:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:48,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:48,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-25 04:30:48,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:48,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-25 04:30:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 181 states and 240 transitions. [2024-11-25 04:30:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2024-11-25 04:30:50,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-25 04:30:50,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:50,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:50,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:50,553 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:50,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-25 04:30:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:50,718 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:50,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-25 04:30:50,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:51,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-25 04:30:53,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 184 states and 244 transitions. [2024-11-25 04:30:53,059 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 244 transitions. [2024-11-25 04:30:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-25 04:30:53,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:53,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:53,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:53,062 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:53,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-25 04:30:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:53,302 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:53,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-25 04:30:53,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:53,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:53,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:55,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 187 states and 248 transitions. [2024-11-25 04:30:55,932 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 248 transitions. [2024-11-25 04:30:55,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-25 04:30:55,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:55,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:55,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:55,934 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:55,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-25 04:30:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:56,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:56,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-25 04:30:56,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:56,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-25 04:30:58,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 190 states and 252 transitions. [2024-11-25 04:30:58,574 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 252 transitions. [2024-11-25 04:30:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-25 04:30:58,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:58,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:58,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:58,576 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:58,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-25 04:30:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:58,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:58,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-25 04:30:58,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:59,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:59,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-25 04:31:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:01,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 193 states and 256 transitions. [2024-11-25 04:31:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 256 transitions. [2024-11-25 04:31:01,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-25 04:31:01,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:01,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:01,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:01,307 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:01,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-25 04:31:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:01,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:01,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-25 04:31:01,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:02,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-25 04:31:04,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:04,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 196 states and 260 transitions. [2024-11-25 04:31:04,139 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 260 transitions. [2024-11-25 04:31:04,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-25 04:31:04,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:04,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:04,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:04,143 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:04,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-25 04:31:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:04,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:04,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-25 04:31:04,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:04,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:04,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-25 04:31:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 199 states and 264 transitions. [2024-11-25 04:31:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 264 transitions. [2024-11-25 04:31:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-25 04:31:07,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:07,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:07,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:07,117 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:07,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-25 04:31:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:07,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:07,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-25 04:31:07,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:07,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:07,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-25 04:31:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 202 states and 268 transitions. [2024-11-25 04:31:10,022 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2024-11-25 04:31:10,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-25 04:31:10,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:10,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:10,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:10,025 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:10,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-25 04:31:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:10,228 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:10,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-25 04:31:10,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:10,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-25 04:31:13,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:13,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 205 states and 272 transitions. [2024-11-25 04:31:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 272 transitions. [2024-11-25 04:31:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-25 04:31:13,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:13,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:13,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:13,019 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:13,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-25 04:31:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:13,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:13,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-25 04:31:13,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:13,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-25 04:31:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 208 states and 276 transitions. [2024-11-25 04:31:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 276 transitions. [2024-11-25 04:31:16,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-25 04:31:16,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:16,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:16,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:16,215 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:16,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-25 04:31:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:16,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:16,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-25 04:31:16,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:17,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:17,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-25 04:31:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:19,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 211 states and 280 transitions. [2024-11-25 04:31:19,442 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 280 transitions. [2024-11-25 04:31:19,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-25 04:31:19,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:19,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:19,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:19,445 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:19,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-25 04:31:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:19,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:19,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-25 04:31:19,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:20,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-25 04:31:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:22,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 214 states and 284 transitions. [2024-11-25 04:31:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 284 transitions. [2024-11-25 04:31:22,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-25 04:31:22,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:22,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:22,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:22,678 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:22,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-25 04:31:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:22,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:22,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-25 04:31:22,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:23,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-25 04:31:26,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:26,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 217 states and 288 transitions. [2024-11-25 04:31:26,102 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2024-11-25 04:31:26,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-25 04:31:26,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:26,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:26,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:26,104 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:26,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-25 04:31:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:26,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:26,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-25 04:31:26,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:26,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:26,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-25 04:31:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:29,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 220 states and 292 transitions. [2024-11-25 04:31:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 292 transitions. [2024-11-25 04:31:29,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-25 04:31:29,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:29,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:29,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:29,526 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:29,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-25 04:31:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:29,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:29,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-25 04:31:29,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:30,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:30,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-25 04:31:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 223 states and 296 transitions. [2024-11-25 04:31:33,012 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 296 transitions. [2024-11-25 04:31:33,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-25 04:31:33,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:33,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:33,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:33,018 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:33,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-25 04:31:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:33,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:33,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-25 04:31:33,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:33,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-25 04:31:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 226 states and 300 transitions. [2024-11-25 04:31:36,681 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 300 transitions. [2024-11-25 04:31:36,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-25 04:31:36,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:36,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:36,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:36,683 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:36,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-25 04:31:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:36,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:36,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-25 04:31:36,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:37,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-25 04:31:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 229 states and 304 transitions. [2024-11-25 04:31:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 304 transitions. [2024-11-25 04:31:40,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-25 04:31:40,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:40,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:40,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:40,285 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:40,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-25 04:31:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:40,499 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:40,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-25 04:31:40,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:41,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-25 04:31:43,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:43,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 232 states and 308 transitions. [2024-11-25 04:31:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 308 transitions. [2024-11-25 04:31:43,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-25 04:31:43,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:43,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:43,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:43,938 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:43,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-25 04:31:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:44,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:44,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-25 04:31:44,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:44,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:44,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-25 04:31:47,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:47,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 235 states and 312 transitions. [2024-11-25 04:31:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 312 transitions. [2024-11-25 04:31:47,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-25 04:31:47,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:47,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:47,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:47,767 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:47,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-25 04:31:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:48,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:48,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-25 04:31:48,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:48,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:48,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-25 04:31:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:51,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 238 states and 316 transitions. [2024-11-25 04:31:51,615 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 316 transitions. [2024-11-25 04:31:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-25 04:31:51,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:51,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:51,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:51,617 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:51,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-25 04:31:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:51,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:51,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-25 04:31:51,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:52,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:52,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-25 04:31:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 241 states and 320 transitions. [2024-11-25 04:31:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 320 transitions. [2024-11-25 04:31:55,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-25 04:31:55,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:55,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:55,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:55,579 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:55,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-25 04:31:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:55,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:55,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-25 04:31:55,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:56,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:56,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-25 04:31:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:59,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 244 states and 324 transitions. [2024-11-25 04:31:59,619 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 324 transitions. [2024-11-25 04:31:59,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-25 04:31:59,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:59,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:59,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:59,621 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:59,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-25 04:31:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:59,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:59,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-25 04:31:59,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:00,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-25 04:32:03,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:03,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 247 states and 328 transitions. [2024-11-25 04:32:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 328 transitions. [2024-11-25 04:32:03,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-25 04:32:03,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:03,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:03,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:03,705 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:03,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-25 04:32:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:03,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:03,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-25 04:32:03,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:04,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-25 04:32:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 250 states and 332 transitions. [2024-11-25 04:32:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 332 transitions. [2024-11-25 04:32:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-25 04:32:07,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:07,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:07,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:07,873 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:07,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-25 04:32:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:08,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:08,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-25 04:32:08,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:08,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:08,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-25 04:32:12,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 253 states and 336 transitions. [2024-11-25 04:32:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 336 transitions. [2024-11-25 04:32:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-25 04:32:12,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:12,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:12,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:12,084 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:12,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-25 04:32:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:12,331 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:12,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-25 04:32:12,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:13,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:13,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-25 04:32:16,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:16,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 256 states and 340 transitions. [2024-11-25 04:32:16,525 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 340 transitions. [2024-11-25 04:32:16,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-25 04:32:16,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:16,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:16,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:16,527 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:16,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-25 04:32:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:16,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:16,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-11-25 04:32:16,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:17,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:17,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-25 04:32:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:21,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 259 states and 344 transitions. [2024-11-25 04:32:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 344 transitions. [2024-11-25 04:32:21,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-25 04:32:21,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:21,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:21,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:21,024 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:21,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-25 04:32:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:21,262 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:21,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-25 04:32:21,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:22,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-25 04:32:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:25,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 262 states and 348 transitions. [2024-11-25 04:32:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 348 transitions. [2024-11-25 04:32:25,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-25 04:32:25,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:25,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:25,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:25,508 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:25,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-25 04:32:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:25,799 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:25,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-25 04:32:25,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:26,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-25 04:32:30,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:30,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 265 states and 352 transitions. [2024-11-25 04:32:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 352 transitions. [2024-11-25 04:32:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-25 04:32:30,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:30,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:30,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:30,097 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:30,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-25 04:32:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:30,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:30,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-11-25 04:32:30,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:31,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-25 04:32:34,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 268 states and 356 transitions. [2024-11-25 04:32:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 356 transitions. [2024-11-25 04:32:34,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-25 04:32:34,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:34,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:34,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:34,685 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:34,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-25 04:32:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:34,922 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:34,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-25 04:32:34,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:35,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:35,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-25 04:32:39,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 271 states and 360 transitions. [2024-11-25 04:32:39,422 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 360 transitions. [2024-11-25 04:32:39,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-25 04:32:39,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:39,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:39,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:39,424 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:39,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-25 04:32:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:39,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:39,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-25 04:32:39,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:40,563 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:40,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-25 04:32:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 274 states and 364 transitions. [2024-11-25 04:32:44,181 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 364 transitions. [2024-11-25 04:32:44,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-25 04:32:44,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:44,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:44,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:44,183 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:44,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-25 04:32:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:44,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:44,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-11-25 04:32:44,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:45,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:45,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-25 04:32:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 277 states and 368 transitions. [2024-11-25 04:32:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 368 transitions. [2024-11-25 04:32:49,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-25 04:32:49,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:49,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:49,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:49,125 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:49,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-25 04:32:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:49,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:49,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-25 04:32:49,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:50,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-25 04:32:54,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 280 states and 372 transitions. [2024-11-25 04:32:54,134 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 372 transitions. [2024-11-25 04:32:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-25 04:32:54,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:54,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:54,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:54,136 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:54,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-25 04:32:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:54,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:54,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-11-25 04:32:54,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:55,309 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:32:55,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-25 04:32:59,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 283 states and 376 transitions. [2024-11-25 04:32:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 376 transitions. [2024-11-25 04:32:59,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-25 04:32:59,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:59,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:59,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:59,290 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:59,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-25 04:32:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:59,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:59,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-25 04:32:59,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:00,486 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:00,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-25 04:33:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:04,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 286 states and 380 transitions. [2024-11-25 04:33:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 380 transitions. [2024-11-25 04:33:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-25 04:33:04,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:04,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:04,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:04,428 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:04,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-25 04:33:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:04,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:33:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:04,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-25 04:33:04,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:05,707 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:05,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-25 04:33:09,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:09,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 289 states and 384 transitions. [2024-11-25 04:33:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 384 transitions. [2024-11-25 04:33:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-25 04:33:09,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:09,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:09,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:09,740 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:09,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-25 04:33:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:09,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:33:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:10,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-25 04:33:10,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:10,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-25 04:33:15,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:15,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 292 states and 388 transitions. [2024-11-25 04:33:15,081 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 388 transitions. [2024-11-25 04:33:15,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-25 04:33:15,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:15,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:15,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:15,084 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:15,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-25 04:33:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:15,341 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:33:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:15,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-25 04:33:15,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:16,484 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:16,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-25 04:33:20,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:20,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 295 states and 392 transitions. [2024-11-25 04:33:20,757 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 392 transitions. [2024-11-25 04:33:20,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-25 04:33:20,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:20,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:20,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:20,759 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:20,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-25 04:33:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:21,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:33:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:21,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-11-25 04:33:21,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:22,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-25 04:33:26,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:26,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 298 states and 396 transitions. [2024-11-25 04:33:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 396 transitions. [2024-11-25 04:33:26,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-25 04:33:26,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:26,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:26,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:26,407 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:26,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-25 04:33:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:26,668 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:33:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:26,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-25 04:33:26,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:27,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-25 04:33:32,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:32,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 301 states and 400 transitions. [2024-11-25 04:33:32,285 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 400 transitions. [2024-11-25 04:33:32,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-25 04:33:32,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:32,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:32,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:32,287 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:32,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-25 04:33:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:32,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:33:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:32,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-11-25 04:33:32,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:33,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-25 04:33:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:38,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 304 states and 404 transitions. [2024-11-25 04:33:38,501 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 404 transitions. [2024-11-25 04:33:38,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-25 04:33:38,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:38,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:38,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:38,505 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:38,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-25 04:33:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:38,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:33:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:38,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-25 04:33:38,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:39,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-25 04:33:44,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:44,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 307 states and 408 transitions. [2024-11-25 04:33:44,653 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 408 transitions. [2024-11-25 04:33:44,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-25 04:33:44,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:44,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:44,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:44,656 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:44,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-25 04:33:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:44,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:33:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:45,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-11-25 04:33:45,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:46,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-25 04:33:51,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:51,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 310 states and 412 transitions. [2024-11-25 04:33:51,075 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 412 transitions. [2024-11-25 04:33:51,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-25 04:33:51,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:51,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:51,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:51,078 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:51,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-25 04:33:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:51,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:33:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:51,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-11-25 04:33:51,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:52,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-25 04:33:57,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 313 states and 416 transitions. [2024-11-25 04:33:57,437 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 416 transitions. [2024-11-25 04:33:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-25 04:33:57,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:57,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:57,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:57,443 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:57,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-25 04:33:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:57,733 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:33:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:57,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-11-25 04:33:57,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:58,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-25 04:34:04,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:04,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 316 states and 420 transitions. [2024-11-25 04:34:04,268 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 420 transitions. [2024-11-25 04:34:04,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-25 04:34:04,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:04,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:04,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:04,273 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:04,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-25 04:34:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:04,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:04,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-25 04:34:04,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:34:06,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-25 04:34:11,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:11,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 319 states and 424 transitions. [2024-11-25 04:34:11,510 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 424 transitions. [2024-11-25 04:34:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-25 04:34:11,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:11,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:11,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:11,512 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:11,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-25 04:34:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:11,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:11,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-11-25 04:34:11,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:34:13,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-25 04:34:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 322 states and 428 transitions. [2024-11-25 04:34:19,157 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 428 transitions. [2024-11-25 04:34:19,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-25 04:34:19,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:19,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:19,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:19,159 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:19,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-25 04:34:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:19,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:19,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 108 conjuncts are in the unsatisfiable core [2024-11-25 04:34:19,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:20,900 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:34:20,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-25 04:34:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:27,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 325 states and 432 transitions. [2024-11-25 04:34:27,066 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 432 transitions. [2024-11-25 04:34:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-25 04:34:27,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:27,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:27,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:27,068 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:27,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-25 04:34:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:27,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:27,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-25 04:34:27,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:28,893 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:34:28,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-25 04:34:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 328 states and 436 transitions. [2024-11-25 04:34:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 436 transitions. [2024-11-25 04:34:35,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-25 04:34:35,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:35,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:35,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:35,135 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:35,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-25 04:34:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:35,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:35,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 110 conjuncts are in the unsatisfiable core [2024-11-25 04:34:35,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:34:37,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-25 04:34:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:43,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 331 states and 440 transitions. [2024-11-25 04:34:43,004 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 440 transitions. [2024-11-25 04:34:43,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-25 04:34:43,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:43,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:43,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:43,006 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:43,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-25 04:34:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:43,383 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:43,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-11-25 04:34:43,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:44,932 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:34:44,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-25 04:34:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:51,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 334 states and 444 transitions. [2024-11-25 04:34:51,037 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 444 transitions. [2024-11-25 04:34:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-25 04:34:51,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:51,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:51,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:51,042 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:51,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-25 04:34:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:51,402 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:51,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 112 conjuncts are in the unsatisfiable core [2024-11-25 04:34:51,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:52,967 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:34:52,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-25 04:34:59,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 337 states and 448 transitions. [2024-11-25 04:34:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 448 transitions. [2024-11-25 04:34:59,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-25 04:34:59,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:59,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:59,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:59,671 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:59,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-25 04:35:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:00,072 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:35:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:00,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-11-25 04:35:00,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:35:01,590 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:35:01,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-25 04:35:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 340 states and 452 transitions. [2024-11-25 04:35:08,095 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 452 transitions. [2024-11-25 04:35:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-25 04:35:08,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:08,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:35:08,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:35:08,097 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:35:08,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-25 04:35:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:08,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:35:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:08,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-25 04:35:08,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:35:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:35:09,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-25 04:35:16,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:16,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 343 states and 456 transitions. [2024-11-25 04:35:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 456 transitions. [2024-11-25 04:35:16,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-25 04:35:16,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:16,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:35:16,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:35:16,278 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:35:16,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-25 04:35:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:16,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:35:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:16,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-11-25 04:35:16,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:35:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:35:18,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-25 04:35:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 346 states and 460 transitions. [2024-11-25 04:35:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 460 transitions. [2024-11-25 04:35:25,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-25 04:35:25,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:25,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:35:25,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:35:25,298 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:35:25,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-25 04:35:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:25,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:35:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:25,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 116 conjuncts are in the unsatisfiable core [2024-11-25 04:35:25,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:35:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:35:27,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-25 04:35:33,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 349 states and 464 transitions. [2024-11-25 04:35:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 464 transitions. [2024-11-25 04:35:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-25 04:35:33,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:33,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:35:33,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:35:33,554 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:35:33,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-25 04:35:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:33,926 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:35:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:34,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-11-25 04:35:34,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:35:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:35:35,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-25 04:35:42,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:42,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 352 states and 468 transitions. [2024-11-25 04:35:42,979 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 468 transitions. [2024-11-25 04:35:42,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-11-25 04:35:42,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:42,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:35:42,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:35:42,982 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:35:42,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-25 04:35:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:43,397 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:35:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:43,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 118 conjuncts are in the unsatisfiable core [2024-11-25 04:35:43,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:35:45,106 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:35:45,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-25 04:35:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:52,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 355 states and 472 transitions. [2024-11-25 04:35:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 472 transitions. [2024-11-25 04:35:52,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-25 04:35:52,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:52,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:35:52,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:35:52,212 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:35:52,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-25 04:35:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:52,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:35:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:52,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-11-25 04:35:52,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:35:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:35:53,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-25 04:36:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:00,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 358 states and 476 transitions. [2024-11-25 04:36:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 476 transitions. [2024-11-25 04:36:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-25 04:36:00,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:00,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:36:00,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:36:00,509 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:36:00,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-25 04:36:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:00,915 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:36:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:01,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 120 conjuncts are in the unsatisfiable core [2024-11-25 04:36:01,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:36:02,748 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:36:02,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-25 04:36:09,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 361 states and 480 transitions. [2024-11-25 04:36:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 480 transitions. [2024-11-25 04:36:09,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-25 04:36:09,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:09,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:36:09,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:36:09,601 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:36:09,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-25 04:36:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:09,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:36:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:10,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 121 conjuncts are in the unsatisfiable core [2024-11-25 04:36:10,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:36:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:36:11,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-25 04:36:18,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:18,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 364 states and 484 transitions. [2024-11-25 04:36:18,705 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 484 transitions. [2024-11-25 04:36:18,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-25 04:36:18,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:18,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:36:18,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:36:18,707 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:36:18,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-25 04:36:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:19,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:36:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:19,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 122 conjuncts are in the unsatisfiable core [2024-11-25 04:36:19,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:36:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:36:20,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-25 04:36:27,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 367 states and 488 transitions. [2024-11-25 04:36:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 488 transitions. [2024-11-25 04:36:27,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-25 04:36:27,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:27,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:36:27,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:36:27,386 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:36:27,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-25 04:36:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:27,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:36:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:27,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 123 conjuncts are in the unsatisfiable core [2024-11-25 04:36:27,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:36:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:36:29,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-25 04:36:36,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:36,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 370 states and 492 transitions. [2024-11-25 04:36:36,909 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 492 transitions. [2024-11-25 04:36:36,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-11-25 04:36:36,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:36,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:36:36,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:36:36,917 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:36:36,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-25 04:36:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:37,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:36:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:37,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-11-25 04:36:37,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:36:38,955 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:36:38,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-25 04:36:47,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:47,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 373 states and 496 transitions. [2024-11-25 04:36:47,079 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 496 transitions. [2024-11-25 04:36:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-25 04:36:47,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:47,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:36:47,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:36:47,082 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:36:47,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-25 04:36:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:47,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:36:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:47,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-25 04:36:47,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:36:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:36:48,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-25 04:36:56,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:56,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 376 states and 500 transitions. [2024-11-25 04:36:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 500 transitions. [2024-11-25 04:36:56,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-25 04:36:56,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:56,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:36:56,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:36:56,186 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:36:56,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-25 04:36:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:56,595 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:36:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:56,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-25 04:36:56,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:36:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:36:58,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-25 04:37:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:37:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 379 states and 504 transitions. [2024-11-25 04:37:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 504 transitions. [2024-11-25 04:37:06,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-25 04:37:06,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:37:06,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:37:06,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:37:06,089 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:37:06,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-25 04:37:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:06,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:37:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:06,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 127 conjuncts are in the unsatisfiable core [2024-11-25 04:37:06,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:37:08,022 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:37:08,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-25 04:37:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:37:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 382 states and 508 transitions. [2024-11-25 04:37:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 508 transitions. [2024-11-25 04:37:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-25 04:37:16,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:37:16,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:37:16,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:37:16,585 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:37:16,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-25 04:37:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:16,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:37:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:17,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-25 04:37:17,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:37:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:37:18,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-25 04:37:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:37:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 385 states and 512 transitions. [2024-11-25 04:37:26,474 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 512 transitions. [2024-11-25 04:37:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-25 04:37:26,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:37:26,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:37:26,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:37:26,477 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:37:26,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-25 04:37:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:26,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:37:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:27,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-25 04:37:27,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:37:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:37:28,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-25 04:37:36,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:37:36,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 388 states and 516 transitions. [2024-11-25 04:37:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 516 transitions. [2024-11-25 04:37:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-25 04:37:36,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:37:36,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:37:36,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:37:36,616 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:37:36,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-25 04:37:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:36,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:37:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:37,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 130 conjuncts are in the unsatisfiable core [2024-11-25 04:37:37,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:37:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:37:38,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-25 04:37:47,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:37:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 391 states and 520 transitions. [2024-11-25 04:37:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 520 transitions. [2024-11-25 04:37:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-25 04:37:47,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:37:47,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:37:47,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:37:47,613 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:37:47,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-25 04:37:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:48,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:37:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:48,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-11-25 04:37:48,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:37:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:37:49,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-25 04:37:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:37:58,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 394 states and 524 transitions. [2024-11-25 04:37:58,335 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 524 transitions. [2024-11-25 04:37:58,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-25 04:37:58,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:37:58,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:37:58,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:37:58,340 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:37:58,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-25 04:37:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:58,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:37:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:58,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 132 conjuncts are in the unsatisfiable core [2024-11-25 04:37:58,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:38:01,003 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:38:01,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-25 04:38:09,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:38:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 397 states and 528 transitions. [2024-11-25 04:38:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 528 transitions. [2024-11-25 04:38:09,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-25 04:38:09,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:38:09,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:38:09,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:38:09,340 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:38:09,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-25 04:38:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:38:09,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:38:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:38:09,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-11-25 04:38:09,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:38:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:38:11,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-25 04:38:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:38:21,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 400 states and 532 transitions. [2024-11-25 04:38:21,145 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 532 transitions. [2024-11-25 04:38:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-25 04:38:21,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:38:21,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:38:21,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:38:21,148 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:38:21,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-25 04:38:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:38:21,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:38:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:38:21,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 134 conjuncts are in the unsatisfiable core [2024-11-25 04:38:21,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:38:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:38:23,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-25 04:38:32,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:38:32,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 403 states and 536 transitions. [2024-11-25 04:38:32,222 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 536 transitions. [2024-11-25 04:38:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-25 04:38:32,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:38:32,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:38:32,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:38:32,225 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:38:32,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-25 04:38:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:38:32,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:38:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:38:32,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-11-25 04:38:32,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:38:34,920 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:38:34,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-25 04:38:43,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:38:43,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 406 states and 540 transitions. [2024-11-25 04:38:43,723 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 540 transitions. [2024-11-25 04:38:43,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-25 04:38:43,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:38:43,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:38:43,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:38:43,725 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:38:43,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-25 04:38:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:38:44,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:38:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:38:44,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 136 conjuncts are in the unsatisfiable core [2024-11-25 04:38:44,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:38:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:38:46,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-25 04:38:56,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:38:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 409 states and 544 transitions. [2024-11-25 04:38:56,018 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2024-11-25 04:38:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-25 04:38:56,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:38:56,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:38:56,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:38:56,029 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:38:56,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-25 04:38:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:38:56,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:38:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:38:56,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-11-25 04:38:56,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:38:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:38:58,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-25 04:39:07,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:07,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 412 states and 548 transitions. [2024-11-25 04:39:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 548 transitions. [2024-11-25 04:39:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-25 04:39:07,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:07,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:07,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:39:07,217 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:39:07,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-25 04:39:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:07,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:39:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:07,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 138 conjuncts are in the unsatisfiable core [2024-11-25 04:39:07,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:39:10,062 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:39:10,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-25 04:39:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:19,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 415 states and 552 transitions. [2024-11-25 04:39:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 552 transitions. [2024-11-25 04:39:19,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-25 04:39:19,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:19,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:19,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:39:19,790 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:39:19,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-25 04:39:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:20,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:39:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:20,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-11-25 04:39:20,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:39:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:39:22,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-25 04:39:32,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:32,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 418 states and 556 transitions. [2024-11-25 04:39:32,256 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 556 transitions. [2024-11-25 04:39:32,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-25 04:39:32,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:32,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:32,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:39:32,259 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:39:32,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-25 04:39:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:32,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:39:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:32,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 140 conjuncts are in the unsatisfiable core [2024-11-25 04:39:32,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:39:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:39:35,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-25 04:39:43,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:43,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 421 states and 560 transitions. [2024-11-25 04:39:43,992 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 560 transitions. [2024-11-25 04:39:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-25 04:39:43,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:43,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:43,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:39:43,995 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:39:43,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-25 04:39:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:44,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:39:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:44,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 141 conjuncts are in the unsatisfiable core [2024-11-25 04:39:44,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:39:46,988 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:39:46,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-25 04:39:57,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:57,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 424 states and 564 transitions. [2024-11-25 04:39:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 564 transitions. [2024-11-25 04:39:57,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-25 04:39:57,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:57,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:57,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:39:57,877 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:39:57,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-25 04:39:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:58,420 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:39:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:58,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 142 conjuncts are in the unsatisfiable core [2024-11-25 04:39:58,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:00,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-25 04:40:10,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:10,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 427 states and 568 transitions. [2024-11-25 04:40:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 568 transitions. [2024-11-25 04:40:10,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-25 04:40:10,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:10,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:10,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:10,499 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:10,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-25 04:40:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:11,044 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:11,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 143 conjuncts are in the unsatisfiable core [2024-11-25 04:40:11,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:13,489 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:13,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-25 04:40:23,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 430 states and 572 transitions. [2024-11-25 04:40:23,339 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 572 transitions. [2024-11-25 04:40:23,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-25 04:40:23,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:23,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:23,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:23,342 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:23,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-25 04:40:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:23,763 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:23,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 144 conjuncts are in the unsatisfiable core [2024-11-25 04:40:23,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:25,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-25 04:40:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:36,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 433 states and 576 transitions. [2024-11-25 04:40:36,686 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 576 transitions. [2024-11-25 04:40:36,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-25 04:40:36,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:36,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:36,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:36,688 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:36,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-25 04:40:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:37,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:37,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 145 conjuncts are in the unsatisfiable core [2024-11-25 04:40:37,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:39,429 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:39,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-25 04:40:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 436 states and 580 transitions. [2024-11-25 04:40:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 580 transitions. [2024-11-25 04:40:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-25 04:40:48,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:48,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:48,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:48,437 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:48,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-25 04:40:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:48,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:49,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 146 conjuncts are in the unsatisfiable core [2024-11-25 04:40:49,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:51,458 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:51,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-25 04:41:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:41:02,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 439 states and 584 transitions. [2024-11-25 04:41:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 584 transitions. [2024-11-25 04:41:02,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-25 04:41:02,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:41:02,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:41:02,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:41:02,644 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:41:02,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-25 04:41:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:41:03,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:41:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:41:03,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 147 conjuncts are in the unsatisfiable core [2024-11-25 04:41:03,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:41:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:41:05,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-25 04:41:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:41:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 442 states and 588 transitions. [2024-11-25 04:41:15,921 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 588 transitions. [2024-11-25 04:41:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-25 04:41:15,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:41:15,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:41:15,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:41:15,924 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:41:15,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-25 04:41:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:41:16,501 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:41:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:41:16,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 148 conjuncts are in the unsatisfiable core [2024-11-25 04:41:16,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:41:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:41:19,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-25 04:41:29,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:41:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 445 states and 592 transitions. [2024-11-25 04:41:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 592 transitions. [2024-11-25 04:41:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-25 04:41:29,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:41:29,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:41:29,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:41:29,440 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:41:29,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-25 04:41:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:41:29,965 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:41:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:41:30,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 149 conjuncts are in the unsatisfiable core [2024-11-25 04:41:30,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:41:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:41:31,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-25 04:41:43,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:41:43,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 448 states and 596 transitions. [2024-11-25 04:41:43,832 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 596 transitions. [2024-11-25 04:41:43,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-25 04:41:43,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:41:43,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:41:43,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:41:43,834 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:41:43,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-25 04:41:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:41:44,385 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:41:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:41:44,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 150 conjuncts are in the unsatisfiable core [2024-11-25 04:41:44,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:41:46,789 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:41:46,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-25 04:41:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:41:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 451 states and 600 transitions. [2024-11-25 04:41:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 600 transitions. [2024-11-25 04:41:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-25 04:41:57,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:41:57,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:41:57,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:41:57,815 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:41:57,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-25 04:41:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:41:58,339 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:41:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:41:58,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 151 conjuncts are in the unsatisfiable core [2024-11-25 04:41:58,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:42:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:01,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-25 04:42:13,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 454 states and 604 transitions. [2024-11-25 04:42:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 604 transitions. [2024-11-25 04:42:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-25 04:42:13,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:13,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:42:13,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:42:13,489 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:42:13,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-25 04:42:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:13,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:42:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:14,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 152 conjuncts are in the unsatisfiable core [2024-11-25 04:42:14,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:42:15,994 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:15,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-25 04:42:27,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 457 states and 608 transitions. [2024-11-25 04:42:27,055 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 608 transitions. [2024-11-25 04:42:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-25 04:42:27,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:27,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:42:27,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:42:27,058 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:42:27,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-25 04:42:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:27,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:42:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:27,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 153 conjuncts are in the unsatisfiable core [2024-11-25 04:42:27,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:42:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:30,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-25 04:42:41,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 460 states and 612 transitions. [2024-11-25 04:42:41,630 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 612 transitions. [2024-11-25 04:42:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-25 04:42:41,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:41,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:42:41,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:42:41,632 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:42:41,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-25 04:42:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:42,045 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:42:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:42,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 154 conjuncts are in the unsatisfiable core [2024-11-25 04:42:42,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:42:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:44,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-25 04:42:56,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 463 states and 616 transitions. [2024-11-25 04:42:56,426 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 616 transitions. [2024-11-25 04:42:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-25 04:42:56,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:56,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:42:56,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:42:56,429 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:42:56,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-25 04:42:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:57,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:42:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:57,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 155 conjuncts are in the unsatisfiable core [2024-11-25 04:42:57,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:42:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:59,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-25 04:43:10,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:43:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 466 states and 620 transitions. [2024-11-25 04:43:10,490 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 620 transitions. [2024-11-25 04:43:10,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-25 04:43:10,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:43:10,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:43:10,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:43:10,492 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:43:10,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-25 04:43:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:10,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:43:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:11,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 156 conjuncts are in the unsatisfiable core [2024-11-25 04:43:11,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:43:13,079 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:43:13,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-25 04:43:26,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:43:26,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 469 states and 624 transitions. [2024-11-25 04:43:26,084 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 624 transitions. [2024-11-25 04:43:26,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-25 04:43:26,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:43:26,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:43:26,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:43:26,088 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:43:26,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-25 04:43:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:26,775 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:43:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:26,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 157 conjuncts are in the unsatisfiable core [2024-11-25 04:43:26,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:43:29,497 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:43:29,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-25 04:43:40,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:43:40,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 472 states and 628 transitions. [2024-11-25 04:43:40,244 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 628 transitions. [2024-11-25 04:43:40,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-25 04:43:40,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:43:40,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:43:40,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:43:40,248 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:43:40,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-25 04:43:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:40,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:43:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:40,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 158 conjuncts are in the unsatisfiable core [2024-11-25 04:43:40,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:43:43,695 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:43:43,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-25 04:43:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:43:58,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 475 states and 632 transitions. [2024-11-25 04:43:58,103 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 632 transitions. [2024-11-25 04:43:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-25 04:43:58,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:43:58,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:43:58,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:43:58,105 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:43:58,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-25 04:43:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:58,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:43:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:58,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-11-25 04:43:58,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:44:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:44:00,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16b19ec-687f-40f0-886d-741433c0cd21/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0