./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/sum02-1.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_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/sum02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59d79cb7d07f30328554c1c1dfb3c3c4d9d249fe2beb0f1abdeaf89c4a9e9025 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:26:42,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:26:42,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:26:42,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:26:42,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:26:42,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:26:42,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:26:42,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:26:42,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:26:42,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:26:42,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:26:42,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:26:42,369 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:26:42,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:26:42,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:26:42,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:26:42,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:26:42,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:26:42,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:26:42,369 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:26:42,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:26:42,370 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:26:42,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:26:42,370 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:26:42,370 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:26:42,370 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:26:42,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:26:42,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:26:42,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:26:42,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:26:42,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:26:42,371 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:26:42,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:26:42,371 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_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d79cb7d07f30328554c1c1dfb3c3c4d9d249fe2beb0f1abdeaf89c4a9e9025 [2024-12-05 22:26:42,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:26:42,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:26:42,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:26:42,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:26:42,656 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:26:42,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/sum02-1.c [2024-12-05 22:26:46,156 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/data/1710c08d8/8b6462b163c0425fad88080968276e9e/FLAG4578df097 [2024-12-05 22:26:46,425 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:26:46,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/sv-benchmarks/c/bitvector/sum02-1.c [2024-12-05 22:26:46,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/data/1710c08d8/8b6462b163c0425fad88080968276e9e/FLAG4578df097 [2024-12-05 22:26:46,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/data/1710c08d8/8b6462b163c0425fad88080968276e9e [2024-12-05 22:26:46,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:26:46,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:26:46,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:26:46,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:26:46,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:26:46,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1feec892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46, skipping insertion in model container [2024-12-05 22:26:46,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:26:46,645 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_40b98f49-cfa1-48db-9859-b641b9b7c0ca/sv-benchmarks/c/bitvector/sum02-1.c[624,637] [2024-12-05 22:26:46,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:26:46,674 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:26:46,687 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_40b98f49-cfa1-48db-9859-b641b9b7c0ca/sv-benchmarks/c/bitvector/sum02-1.c[624,637] [2024-12-05 22:26:46,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:26:46,708 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:26:46,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46 WrapperNode [2024-12-05 22:26:46,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:26:46,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:26:46,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:26:46,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:26:46,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,743 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-12-05 22:26:46,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:26:46,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:26:46,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:26:46,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:26:46,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,757 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:26:46,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:26:46,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:26:46,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:26:46,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:46" (1/1) ... [2024-12-05 22:26:46,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:26:46,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:26:46,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:26:46,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:26:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:26:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:26:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:26:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:26:46,909 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:26:46,911 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:26:47,027 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 22:26:47,027 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:26:47,069 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:26:47,069 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:26:47,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:26:47 BoogieIcfgContainer [2024-12-05 22:26:47,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:26:47,071 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:26:47,071 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:26:47,081 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:26:47,082 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:26:47" (1/1) ... [2024-12-05 22:26:47,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:26:47,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:47,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:26:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:26:47,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:26:47,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:47,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:26:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:26:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-12-05 22:26:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-12-05 22:26:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:26:47,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:47,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:26:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:26:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:48,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2024-12-05 22:26:48,039 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2024-12-05 22:26:48,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:26:48,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:48,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:26:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:26:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:26:58,088 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:26:58,091 INFO L158 Benchmark]: Toolchain (without parser) took 11637.65ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 76.3MB in the end (delta: 17.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-12-05 22:26:58,091 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:26:58,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.82ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 83.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:26:58,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.56ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.9MB in the end (delta: 851.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:26:58,092 INFO L158 Benchmark]: Boogie Preprocessor took 20.86ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.1MB in the end (delta: 831.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:26:58,092 INFO L158 Benchmark]: RCFGBuilder took 304.01ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 70.6MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:26:58,093 INFO L158 Benchmark]: CodeCheck took 11019.41ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 76.3MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:26:58,094 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.82ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 83.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.56ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.9MB in the end (delta: 851.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.86ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.1MB in the end (delta: 831.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.01ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 70.6MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11019.41ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 76.3MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:26:58,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/sum02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59d79cb7d07f30328554c1c1dfb3c3c4d9d249fe2beb0f1abdeaf89c4a9e9025 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:27:00,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:27:00,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:27:00,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:27:00,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:27:00,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:27:00,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:27:00,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:27:00,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:27:00,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:27:00,142 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:27:00,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:27:00,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:27:00,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:27:00,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:27:00,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:27:00,142 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:27:00,142 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:27:00,143 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:27:00,143 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:27:00,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:27:00,143 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:27:00,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:27:00,143 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:27:00,143 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:27:00,143 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:27:00,143 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:00,143 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:27:00,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:27:00,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:27:00,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:27:00,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:27:00,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:27:00,144 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:27:00,144 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:00,144 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:27:00,144 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_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d79cb7d07f30328554c1c1dfb3c3c4d9d249fe2beb0f1abdeaf89c4a9e9025 [2024-12-05 22:27:00,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:27:00,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:27:00,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:27:00,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:27:00,372 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:27:00,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/sum02-1.c [2024-12-05 22:27:03,077 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/data/45af95162/a20072b2fa07400fb56dfa826fef73dc/FLAG3460eb366 [2024-12-05 22:27:03,224 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:27:03,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/sv-benchmarks/c/bitvector/sum02-1.c [2024-12-05 22:27:03,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/data/45af95162/a20072b2fa07400fb56dfa826fef73dc/FLAG3460eb366 [2024-12-05 22:27:03,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/data/45af95162/a20072b2fa07400fb56dfa826fef73dc [2024-12-05 22:27:03,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:27:03,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:27:03,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:27:03,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:27:03,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:27:03,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435781a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03, skipping insertion in model container [2024-12-05 22:27:03,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,263 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:27:03,394 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_40b98f49-cfa1-48db-9859-b641b9b7c0ca/sv-benchmarks/c/bitvector/sum02-1.c[624,637] [2024-12-05 22:27:03,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:27:03,421 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:27:03,431 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_40b98f49-cfa1-48db-9859-b641b9b7c0ca/sv-benchmarks/c/bitvector/sum02-1.c[624,637] [2024-12-05 22:27:03,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:27:03,449 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:27:03,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03 WrapperNode [2024-12-05 22:27:03,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:27:03,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:27:03,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:27:03,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:27:03,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,481 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-12-05 22:27:03,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:27:03,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:27:03,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:27:03,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:27:03,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,495 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:27:03,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:27:03,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:27:03,503 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:27:03,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:27:03,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:27:03,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:27:03,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:27:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:27:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:27:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:27:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:27:03,614 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:27:03,615 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:27:03,712 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 22:27:03,712 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:27:03,747 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:27:03,747 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:27:03,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:27:03 BoogieIcfgContainer [2024-12-05 22:27:03,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:27:03,749 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:27:03,749 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:27:03,757 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:27:03,757 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:27:03,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:27:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:27:03,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:27:03,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:03,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:03,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:03,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:03,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:27:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:03,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:03,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:27:03,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:03,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:03,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:27:04,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:04,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2024-12-05 22:27:04,047 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2024-12-05 22:27:04,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:27:04,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:04,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:04,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:04,051 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:04,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:27:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:04,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:04,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:27:04,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:04,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:27:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2024-12-05 22:27:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2024-12-05 22:27:04,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:27:04,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:04,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:04,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:04,282 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:04,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:27:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:04,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:04,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:27:04,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:04,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:27:04,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:04,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-12-05 22:27:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-12-05 22:27:04,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:27:04,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:04,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:04,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:04,733 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:04,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:27:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:04,792 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:04,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:27:04,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:04,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:27:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2024-12-05 22:27:05,118 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2024-12-05 22:27:05,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:27:05,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:05,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:05,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:05,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:05,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:27:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:05,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:05,202 WARN L254 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:27:05,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:05,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:27:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:05,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2024-12-05 22:27:05,545 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2024-12-05 22:27:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:27:05,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:05,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:05,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:05,547 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:05,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:27:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:05,616 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:05,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:27:05,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:05,809 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:05,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:27:06,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:06,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2024-12-05 22:27:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2024-12-05 22:27:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:27:06,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:06,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:06,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:06,106 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:06,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:27:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:06,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:06,188 WARN L254 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 22:27:06,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:06,319 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:06,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-05 22:27:06,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2024-12-05 22:27:06,548 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2024-12-05 22:27:06,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:27:06,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:06,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:06,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:06,551 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:06,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:27:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:06,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:06,659 WARN L254 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 22:27:06,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:06,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:27:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2024-12-05 22:27:07,101 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2024-12-05 22:27:07,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:27:07,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:07,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:07,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:07,103 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:07,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:27:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:07,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:07,214 WARN L254 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 22:27:07,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:07,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:27:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:07,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2024-12-05 22:27:07,641 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2024-12-05 22:27:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:27:07,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:07,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:07,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:07,643 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:07,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:27:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:07,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:07,735 WARN L254 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 22:27:07,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:08,031 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:08,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:27:08,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 32 transitions. [2024-12-05 22:27:08,531 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 32 transitions. [2024-12-05 22:27:08,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:27:08,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:08,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:08,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:08,532 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:08,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:27:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:08,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:08,626 WARN L254 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 22:27:08,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:08,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:27:09,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:09,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2024-12-05 22:27:09,116 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2024-12-05 22:27:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:27:09,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:09,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:09,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:09,118 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:09,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:27:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:09,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:09,211 WARN L254 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 22:27:09,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:09,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:27:09,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 36 transitions. [2024-12-05 22:27:09,889 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 36 transitions. [2024-12-05 22:27:09,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:27:09,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:09,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:09,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:09,893 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:09,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:27:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:09,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:09,989 WARN L254 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-05 22:27:09,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:10,166 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:10,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:27:10,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:10,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2024-12-05 22:27:10,632 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2024-12-05 22:27:10,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:27:10,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:10,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:10,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:10,634 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:10,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:27:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:10,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:10,747 WARN L254 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 22:27:10,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:11,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:27:11,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2024-12-05 22:27:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2024-12-05 22:27:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:27:11,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:11,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:11,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:11,643 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:11,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:27:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:11,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:11,745 WARN L254 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-05 22:27:11,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:11,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:27:12,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:12,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2024-12-05 22:27:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2024-12-05 22:27:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:27:12,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:12,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:12,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:12,370 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:12,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:27:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:12,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:12,489 WARN L254 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-05 22:27:12,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:12,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:27:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:13,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2024-12-05 22:27:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2024-12-05 22:27:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:27:13,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:13,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:13,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:13,414 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:13,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:27:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:13,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:13,530 WARN L254 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-05 22:27:13,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:13,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-12-05 22:27:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:14,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-12-05 22:27:14,327 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-12-05 22:27:14,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:27:14,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:14,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:14,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:14,329 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:14,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:27:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:14,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:14,451 WARN L254 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 22:27:14,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:15,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 22:27:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2024-12-05 22:27:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2024-12-05 22:27:16,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:27:16,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:16,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:16,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:16,565 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:16,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:27:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:16,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:16,686 WARN L254 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-05 22:27:16,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:16,898 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:16,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 22:27:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2024-12-05 22:27:17,561 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2024-12-05 22:27:17,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:27:17,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:17,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:17,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:17,563 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:17,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 22:27:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:17,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:17,691 WARN L254 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-05 22:27:17,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:18,079 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:18,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 22:27:19,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:19,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2024-12-05 22:27:19,013 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2024-12-05 22:27:19,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:27:19,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:19,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:19,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:19,015 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:19,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 22:27:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:19,113 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:19,144 WARN L254 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-05 22:27:19,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:19,412 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:19,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 22:27:20,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:20,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2024-12-05 22:27:20,191 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2024-12-05 22:27:20,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:27:20,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:20,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:20,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:20,193 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:20,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 22:27:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:20,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:20,319 WARN L254 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-05 22:27:20,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:20,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 22:27:21,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:21,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2024-12-05 22:27:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2024-12-05 22:27:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:27:21,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:21,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:21,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:21,968 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:21,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 22:27:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:22,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:22,100 WARN L254 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-05 22:27:22,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:22,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 22:27:23,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:23,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-12-05 22:27:23,258 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-12-05 22:27:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:27:23,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:23,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:23,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:23,260 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:23,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 22:27:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:23,369 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:23,400 WARN L254 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-05 22:27:23,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:23,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 22:27:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-05 22:27:25,018 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-05 22:27:25,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:27:25,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:25,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:25,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:25,021 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:25,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 22:27:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:25,131 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:25,163 WARN L254 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-05 22:27:25,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:25,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 22:27:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:26,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2024-12-05 22:27:26,519 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2024-12-05 22:27:26,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:27:26,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:26,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:26,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:26,521 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:26,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 22:27:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:26,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:26,674 WARN L254 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-05 22:27:26,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:27,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 22:27:29,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:29,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 64 transitions. [2024-12-05 22:27:29,965 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2024-12-05 22:27:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:27:29,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:29,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:29,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:29,967 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:29,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 22:27:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:30,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:30,143 WARN L254 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-05 22:27:30,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:30,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 22:27:32,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:32,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-12-05 22:27:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-12-05 22:27:32,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:27:32,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:32,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:32,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:32,062 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:32,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 22:27:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:32,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:32,228 WARN L254 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-12-05 22:27:32,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:33,025 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:33,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 22:27:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2024-12-05 22:27:34,974 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2024-12-05 22:27:34,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 22:27:34,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:34,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:34,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:34,976 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:34,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 22:27:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:35,145 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:35,192 WARN L254 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-12-05 22:27:35,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:35,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 22:27:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:37,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 38 states and 70 transitions. [2024-12-05 22:27:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 70 transitions. [2024-12-05 22:27:37,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 22:27:37,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:37,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:37,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:37,489 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:37,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 22:27:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:37,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:37,714 WARN L254 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-12-05 22:27:37,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:38,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 22:27:41,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 72 transitions. [2024-12-05 22:27:41,416 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2024-12-05 22:27:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 22:27:41,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:41,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:41,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:41,418 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:41,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 22:27:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:41,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:41,628 WARN L254 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-05 22:27:41,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:42,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 22:27:43,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:43,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-12-05 22:27:43,800 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-12-05 22:27:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:27:43,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:43,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:43,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:43,802 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:43,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 22:27:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:43,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:43,983 WARN L254 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-05 22:27:43,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:44,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 22:27:46,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:46,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2024-12-05 22:27:46,445 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2024-12-05 22:27:46,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:27:46,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:46,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:46,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:46,447 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:46,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 22:27:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:46,573 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:46,616 WARN L254 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-12-05 22:27:46,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:47,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 22:27:48,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2024-12-05 22:27:48,550 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2024-12-05 22:27:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 22:27:48,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:48,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:48,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:48,552 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:48,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 22:27:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:48,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:48,724 WARN L254 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-12-05 22:27:48,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:52,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 22:27:57,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2024-12-05 22:27:57,967 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2024-12-05 22:27:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 22:27:57,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:57,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:57,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:57,969 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:57,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 22:27:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:58,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:58,140 WARN L254 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-05 22:27:58,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:58,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 22:28:00,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:00,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2024-12-05 22:28:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-12-05 22:28:00,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 22:28:00,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:00,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:00,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:00,416 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:00,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 22:28:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:00,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:00,593 WARN L254 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-12-05 22:28:00,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:01,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 22:28:03,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:03,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2024-12-05 22:28:03,663 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2024-12-05 22:28:03,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 22:28:03,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:03,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:03,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:03,665 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:03,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 22:28:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:03,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:03,864 WARN L254 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-12-05 22:28:03,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:04,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 22:28:06,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:06,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2024-12-05 22:28:06,657 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2024-12-05 22:28:06,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 22:28:06,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:06,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:06,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:06,659 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:06,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 22:28:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:06,832 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:06,885 WARN L254 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-12-05 22:28:06,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:08,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 22:28:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2024-12-05 22:28:11,119 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2024-12-05 22:28:11,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 22:28:11,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:11,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:11,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:11,121 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:11,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 22:28:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:11,283 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:11,335 WARN L254 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-12-05 22:28:11,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:11,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 22:28:14,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:14,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2024-12-05 22:28:14,076 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2024-12-05 22:28:14,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:28:14,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:14,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:14,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:14,077 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:14,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 22:28:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:14,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:14,284 WARN L254 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-12-05 22:28:14,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:15,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-05 22:28:17,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2024-12-05 22:28:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2024-12-05 22:28:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-05 22:28:17,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:17,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:17,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:17,925 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:17,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 22:28:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:18,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:18,162 WARN L254 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-12-05 22:28:18,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:18,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-05 22:28:21,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:21,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2024-12-05 22:28:21,027 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2024-12-05 22:28:21,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 22:28:21,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:21,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:21,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:21,029 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:21,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 22:28:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:21,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:21,237 WARN L254 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-12-05 22:28:21,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:23,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-05 22:28:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 96 transitions. [2024-12-05 22:28:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2024-12-05 22:28:27,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 22:28:27,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:27,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:27,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:27,324 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:27,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-05 22:28:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:27,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:27,542 WARN L254 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-12-05 22:28:27,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:28,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-05 22:28:31,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:31,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2024-12-05 22:28:31,546 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2024-12-05 22:28:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:28:31,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:31,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:31,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:31,548 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:31,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-05 22:28:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:31,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:31,764 WARN L254 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-12-05 22:28:31,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:32,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-05 22:28:35,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:35,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 100 transitions. [2024-12-05 22:28:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 100 transitions. [2024-12-05 22:28:35,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 22:28:35,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:35,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:35,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:35,964 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:35,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-05 22:28:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:36,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:36,180 WARN L254 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-12-05 22:28:36,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:36,881 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:36,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-05 22:28:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2024-12-05 22:28:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2024-12-05 22:28:39,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 22:28:39,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:39,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:39,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:39,635 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:39,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-05 22:28:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:39,807 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:39,862 WARN L254 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-12-05 22:28:39,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:41,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:41,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-05 22:28:45,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:45,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 55 states and 104 transitions. [2024-12-05 22:28:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2024-12-05 22:28:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-05 22:28:45,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:45,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:45,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:45,319 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:45,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-05 22:28:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:45,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:45,547 WARN L254 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-12-05 22:28:45,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:46,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:46,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-05 22:28:49,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 56 states and 106 transitions. [2024-12-05 22:28:49,367 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 106 transitions. [2024-12-05 22:28:49,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:28:49,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:49,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:49,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:49,368 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:49,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-05 22:28:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:49,538 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:49,599 WARN L254 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-12-05 22:28:49,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:50,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:50,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-05 22:28:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 57 states and 108 transitions. [2024-12-05 22:28:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 108 transitions. [2024-12-05 22:28:55,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-05 22:28:55,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:55,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:55,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:55,256 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:55,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-05 22:28:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:55,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:55,614 WARN L254 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-12-05 22:28:55,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:28:57,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-05 22:29:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:00,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 58 states and 110 transitions. [2024-12-05 22:29:00,251 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 110 transitions. [2024-12-05 22:29:00,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 22:29:00,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:00,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:00,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:00,253 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:00,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-05 22:29:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:00,436 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:00,494 WARN L254 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-12-05 22:29:00,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:29:05,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-05 22:29:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:12,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2024-12-05 22:29:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2024-12-05 22:29:12,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-05 22:29:12,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:12,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:12,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:12,787 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:12,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-05 22:29:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:12,977 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:13,039 WARN L254 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 108 conjuncts are in the unsatisfiable core [2024-12-05 22:29:13,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:14,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:29:14,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-05 22:29:17,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:17,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 60 states and 114 transitions. [2024-12-05 22:29:17,416 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 114 transitions. [2024-12-05 22:29:17,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 22:29:17,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:17,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:17,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:17,417 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:17,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-05 22:29:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:17,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:17,676 WARN L254 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 110 conjuncts are in the unsatisfiable core [2024-12-05 22:29:17,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:29:19,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-05 22:29:25,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:25,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 61 states and 116 transitions. [2024-12-05 22:29:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 116 transitions. [2024-12-05 22:29:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 22:29:25,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:25,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:25,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:25,771 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:25,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-05 22:29:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:25,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:26,029 WARN L254 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-12-05 22:29:26,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:27,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:29:27,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-05 22:29:30,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:30,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2024-12-05 22:29:30,844 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2024-12-05 22:29:30,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-05 22:29:30,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:30,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:30,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:30,846 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:30,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-05 22:29:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:31,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:31,102 WARN L254 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-12-05 22:29:31,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:29:33,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-05 22:29:38,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:38,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 63 states and 120 transitions. [2024-12-05 22:29:38,585 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 120 transitions. [2024-12-05 22:29:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-05 22:29:38,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:38,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:38,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:38,587 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:38,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-05 22:29:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:38,789 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:38,855 WARN L254 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-12-05 22:29:38,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:29:39,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-05 22:29:44,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:44,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 64 states and 122 transitions. [2024-12-05 22:29:44,068 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 122 transitions. [2024-12-05 22:29:44,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-05 22:29:44,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:44,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:44,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:44,070 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:44,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-05 22:29:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:44,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:44,331 WARN L254 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-12-05 22:29:44,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:46,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:29:46,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-05 22:29:51,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 65 states and 124 transitions. [2024-12-05 22:29:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 124 transitions. [2024-12-05 22:29:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-05 22:29:51,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:51,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:51,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:51,853 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:51,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-05 22:29:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:52,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:52,122 WARN L254 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 122 conjuncts are in the unsatisfiable core [2024-12-05 22:29:52,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:29:53,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-05 22:29:57,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 66 states and 126 transitions. [2024-12-05 22:29:57,546 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 126 transitions. [2024-12-05 22:29:57,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 22:29:57,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:57,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:57,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:57,548 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:57,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-05 22:29:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:57,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:57,823 WARN L254 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 122 conjuncts are in the unsatisfiable core [2024-12-05 22:29:57,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:01,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:01,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-05 22:30:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:09,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 67 states and 128 transitions. [2024-12-05 22:30:09,299 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 128 transitions. [2024-12-05 22:30:09,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-05 22:30:09,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:09,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:09,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:09,301 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:09,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-05 22:30:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:09,506 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:09,579 WARN L254 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-12-05 22:30:09,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:10,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-05 22:30:16,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 68 states and 130 transitions. [2024-12-05 22:30:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 130 transitions. [2024-12-05 22:30:16,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 22:30:16,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:16,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:16,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:16,761 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:16,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-05 22:30:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:17,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:17,195 WARN L254 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 127 conjuncts are in the unsatisfiable core [2024-12-05 22:30:17,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:20,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-05 22:30:27,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:27,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 69 states and 132 transitions. [2024-12-05 22:30:27,740 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 132 transitions. [2024-12-05 22:30:27,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-05 22:30:27,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:27,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:27,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:27,742 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:27,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-05 22:30:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:27,965 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:28,033 WARN L254 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 130 conjuncts are in the unsatisfiable core [2024-12-05 22:30:28,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:29,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-05 22:30:34,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 70 states and 134 transitions. [2024-12-05 22:30:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 134 transitions. [2024-12-05 22:30:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-05 22:30:34,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:34,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:34,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:34,270 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:34,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-05 22:30:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:34,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:34,574 WARN L254 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-12-05 22:30:34,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:37,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:37,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-05 22:30:44,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:44,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 71 states and 136 transitions. [2024-12-05 22:30:44,326 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 136 transitions. [2024-12-05 22:30:44,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 22:30:44,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:44,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:44,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:44,328 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:44,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-05 22:30:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:44,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:44,654 WARN L254 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 134 conjuncts are in the unsatisfiable core [2024-12-05 22:30:44,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:46,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:46,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-12-05 22:30:54,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 138 transitions. [2024-12-05 22:30:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 138 transitions. [2024-12-05 22:30:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-05 22:30:54,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:54,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:54,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:54,035 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:54,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-05 22:30:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:54,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:54,520 WARN L254 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 136 conjuncts are in the unsatisfiable core [2024-12-05 22:30:54,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:57,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-05 22:31:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 73 states and 140 transitions. [2024-12-05 22:31:03,988 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 140 transitions. [2024-12-05 22:31:03,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-05 22:31:03,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:03,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:31:03,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:31:03,990 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:31:03,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-05 22:31:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:04,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:31:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:04,305 WARN L254 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-12-05 22:31:04,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:05,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:31:05,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-05 22:31:11,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:11,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 74 states and 142 transitions. [2024-12-05 22:31:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 142 transitions. [2024-12-05 22:31:11,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-05 22:31:11,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:11,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:31:11,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:31:11,544 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:31:11,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-05 22:31:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:11,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:31:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:11,871 WARN L254 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 136 conjuncts are in the unsatisfiable core [2024-12-05 22:31:11,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:39,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:31:39,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-05 22:32:18,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 75 states and 144 transitions. [2024-12-05 22:32:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2024-12-05 22:32:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-05 22:32:18,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:18,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:32:18,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:32:18,085 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:32:18,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-05 22:32:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:18,343 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:32:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:18,418 WARN L254 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-12-05 22:32:18,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:32:19,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2024-12-05 22:32:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 76 states and 146 transitions. [2024-12-05 22:32:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 146 transitions. [2024-12-05 22:32:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 22:32:26,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:26,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:32:26,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:32:26,372 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:32:26,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-05 22:32:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:26,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:32:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:26,767 WARN L254 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 141 conjuncts are in the unsatisfiable core [2024-12-05 22:32:26,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:32:31,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-05 22:32:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 77 states and 148 transitions. [2024-12-05 22:32:40,340 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 148 transitions. [2024-12-05 22:32:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-05 22:32:40,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:40,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:32:40,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:32:40,342 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:32:40,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-05 22:32:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:40,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:32:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:40,695 WARN L254 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 144 conjuncts are in the unsatisfiable core [2024-12-05 22:32:40,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:42,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:32:42,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-05 22:32:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 150 transitions. [2024-12-05 22:32:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 150 transitions. [2024-12-05 22:32:48,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-05 22:32:48,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:48,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:32:48,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:32:48,542 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:32:48,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-05 22:32:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:48,816 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:32:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:48,899 WARN L254 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 145 conjuncts are in the unsatisfiable core [2024-12-05 22:32:48,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:52,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:32:52,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-05 22:33:02,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:02,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 79 states and 152 transitions. [2024-12-05 22:33:02,182 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 152 transitions. [2024-12-05 22:33:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-05 22:33:02,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:02,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:33:02,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:33:02,185 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:33:02,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-05 22:33:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:02,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:33:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:02,747 WARN L254 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 148 conjuncts are in the unsatisfiable core [2024-12-05 22:33:02,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:33:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:33:05,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-05 22:33:13,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:13,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 80 states and 154 transitions. [2024-12-05 22:33:13,260 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 154 transitions. [2024-12-05 22:33:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-05 22:33:13,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:13,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:33:13,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:33:13,262 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:33:13,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-05 22:33:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:13,538 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:33:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:13,618 WARN L254 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 150 conjuncts are in the unsatisfiable core [2024-12-05 22:33:13,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:33:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:33:16,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-05 22:33:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:24,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 81 states and 156 transitions. [2024-12-05 22:33:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 156 transitions. [2024-12-05 22:33:24,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-05 22:33:24,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:24,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:33:24,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:33:24,495 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:33:24,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-05 22:33:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:24,779 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:33:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:24,865 WARN L254 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 153 conjuncts are in the unsatisfiable core [2024-12-05 22:33:24,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:33:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:33:26,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-05 22:33:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:33,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 82 states and 158 transitions. [2024-12-05 22:33:33,906 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 158 transitions. [2024-12-05 22:33:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-05 22:33:33,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:33,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:33:33,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:33:33,907 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:33:33,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-05 22:33:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:34,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:33:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:34,321 WARN L254 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 153 conjuncts are in the unsatisfiable core [2024-12-05 22:33:34,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:33:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:33:41,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-05 22:33:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 83 states and 160 transitions. [2024-12-05 22:33:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 160 transitions. [2024-12-05 22:33:53,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-05 22:33:53,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:53,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:33:53,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:33:53,494 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:33:53,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-05 22:33:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:53,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:33:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:53,879 WARN L254 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 156 conjuncts are in the unsatisfiable core [2024-12-05 22:33:53,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:33:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:33:55,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-05 22:34:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 162 transitions. [2024-12-05 22:34:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 162 transitions. [2024-12-05 22:34:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 22:34:06,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:06,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:06,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:06,643 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:06,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-05 22:34:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:07,086 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:07,215 WARN L254 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 158 conjuncts are in the unsatisfiable core [2024-12-05 22:34:07,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:12,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-05 22:34:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:25,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 85 states and 164 transitions. [2024-12-05 22:34:25,606 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 164 transitions. [2024-12-05 22:34:25,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-05 22:34:25,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:25,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:25,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:25,608 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:25,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-05 22:34:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:25,888 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:25,977 WARN L254 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 161 conjuncts are in the unsatisfiable core [2024-12-05 22:34:25,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:28,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-05 22:34:36,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:36,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 86 states and 166 transitions. [2024-12-05 22:34:36,245 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 166 transitions. [2024-12-05 22:34:36,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-05 22:34:36,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:36,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:36,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:36,247 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:36,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-05 22:34:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:36,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:36,637 WARN L254 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 162 conjuncts are in the unsatisfiable core [2024-12-05 22:34:36,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:41,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-12-05 22:34:54,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:54,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 87 states and 168 transitions. [2024-12-05 22:34:54,819 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 168 transitions. [2024-12-05 22:34:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-05 22:34:54,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:54,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:54,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:54,821 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:54,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-05 22:34:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:55,277 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:55,414 WARN L254 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 165 conjuncts are in the unsatisfiable core [2024-12-05 22:34:55,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:58,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-05 22:35:12,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 88 states and 170 transitions. [2024-12-05 22:35:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 170 transitions. [2024-12-05 22:35:12,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-05 22:35:12,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:12,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:12,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:12,188 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:12,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-05 22:35:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:12,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:12,828 WARN L254 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 167 conjuncts are in the unsatisfiable core [2024-12-05 22:35:12,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:17,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:35:17,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-05 22:35:27,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 89 states and 172 transitions. [2024-12-05 22:35:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 172 transitions. [2024-12-05 22:35:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 22:35:27,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:27,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:27,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:27,865 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:27,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-05 22:35:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:28,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:28,259 WARN L254 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 170 conjuncts are in the unsatisfiable core [2024-12-05 22:35:28,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:30,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:35:30,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-05 22:35:39,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 90 states and 174 transitions. [2024-12-05 22:35:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 174 transitions. [2024-12-05 22:35:39,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-05 22:35:39,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:39,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:39,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:39,438 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:39,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-05 22:35:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:39,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:39,845 WARN L254 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 169 conjuncts are in the unsatisfiable core [2024-12-05 22:35:39,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:58,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:35:58,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-05 22:36:19,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 91 states and 176 transitions. [2024-12-05 22:36:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 176 transitions. [2024-12-05 22:36:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-05 22:36:19,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:19,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:19,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:19,080 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:19,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-05 22:36:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:19,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:19,527 WARN L254 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 172 conjuncts are in the unsatisfiable core [2024-12-05 22:36:19,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:22,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:36:22,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-05 22:36:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:32,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 92 states and 178 transitions. [2024-12-05 22:36:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 178 transitions. [2024-12-05 22:36:32,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-05 22:36:32,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:32,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:32,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:32,061 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:32,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-05 22:36:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:32,364 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:32,461 WARN L254 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 174 conjuncts are in the unsatisfiable core [2024-12-05 22:36:32,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:36:36,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-05 22:36:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:48,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 93 states and 180 transitions. [2024-12-05 22:36:48,743 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 180 transitions. [2024-12-05 22:36:48,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-05 22:36:48,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:48,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:48,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:48,745 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:48,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-05 22:36:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:49,066 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:49,176 WARN L254 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 177 conjuncts are in the unsatisfiable core [2024-12-05 22:36:49,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:51,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:36:51,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-05 22:37:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:02,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 94 states and 182 transitions. [2024-12-05 22:37:02,078 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 182 transitions. [2024-12-05 22:37:02,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-05 22:37:02,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:02,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:02,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:02,080 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:02,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-05 22:37:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:02,501 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:02,604 WARN L254 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 178 conjuncts are in the unsatisfiable core [2024-12-05 22:37:02,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:09,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:37:09,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-05 22:37:23,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:23,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 95 states and 184 transitions. [2024-12-05 22:37:23,384 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 184 transitions. [2024-12-05 22:37:23,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-05 22:37:23,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:23,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:23,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:23,386 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:23,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-05 22:37:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:23,740 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:23,864 WARN L254 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 181 conjuncts are in the unsatisfiable core [2024-12-05 22:37:23,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:37:26,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-12-05 22:37:36,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 96 states and 186 transitions. [2024-12-05 22:37:36,638 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 186 transitions. [2024-12-05 22:37:36,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-05 22:37:36,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:36,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:36,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:36,640 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:36,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-05 22:37:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:36,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:37,074 WARN L254 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 183 conjuncts are in the unsatisfiable core [2024-12-05 22:37:37,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:37:41,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-05 22:37:53,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:53,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 97 states and 188 transitions. [2024-12-05 22:37:53,339 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 188 transitions. [2024-12-05 22:37:53,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-05 22:37:53,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:53,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:53,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:53,341 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:53,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-05 22:37:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:53,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:53,782 WARN L254 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 186 conjuncts are in the unsatisfiable core [2024-12-05 22:37:53,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:37:56,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-05 22:38:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:06,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 98 states and 190 transitions. [2024-12-05 22:38:06,952 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 190 transitions. [2024-12-05 22:38:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-05 22:38:06,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:06,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:38:06,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:38:06,954 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:38:06,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-05 22:38:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:07,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:38:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:07,406 WARN L254 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 186 conjuncts are in the unsatisfiable core [2024-12-05 22:38:07,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:38:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:38:16,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-05 22:38:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:34,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 99 states and 192 transitions. [2024-12-05 22:38:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 192 transitions. [2024-12-05 22:38:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-05 22:38:34,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:34,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:38:34,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:38:34,652 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:38:34,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-05 22:38:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:34,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:38:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:35,099 WARN L254 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 189 conjuncts are in the unsatisfiable core [2024-12-05 22:38:35,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:38:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:38:37,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-05 22:38:49,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 100 states and 194 transitions. [2024-12-05 22:38:49,060 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 194 transitions. [2024-12-05 22:38:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-05 22:38:49,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:49,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:38:49,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:38:49,061 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:38:49,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-05 22:38:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:49,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:38:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:49,502 WARN L254 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-12-05 22:38:49,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:38:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:38:54,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-05 22:39:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 101 states and 196 transitions. [2024-12-05 22:39:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 196 transitions. [2024-12-05 22:39:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-05 22:39:07,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:07,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:39:07,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:39:07,003 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:39:07,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-05 22:39:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:07,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:39:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:07,451 WARN L254 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 194 conjuncts are in the unsatisfiable core [2024-12-05 22:39:07,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:39:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:10,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-05 22:39:21,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:21,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 102 states and 198 transitions. [2024-12-05 22:39:21,799 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 198 transitions. [2024-12-05 22:39:21,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-05 22:39:21,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:21,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:39:21,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:39:21,801 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:39:21,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-05 22:39:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:22,158 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:39:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:22,262 WARN L254 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 195 conjuncts are in the unsatisfiable core [2024-12-05 22:39:22,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:39:28,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:28,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-05 22:39:44,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:44,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 103 states and 200 transitions. [2024-12-05 22:39:44,262 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2024-12-05 22:39:44,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-05 22:39:44,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:44,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:39:44,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:39:44,263 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:39:44,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-05 22:39:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:44,620 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:39:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:44,729 WARN L254 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 198 conjuncts are in the unsatisfiable core [2024-12-05 22:39:44,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:39:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:47,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-05 22:39:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:59,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 104 states and 202 transitions. [2024-12-05 22:39:59,511 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 202 transitions. [2024-12-05 22:39:59,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-05 22:39:59,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:59,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:39:59,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:39:59,513 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:39:59,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-05 22:39:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:59,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:39:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:59,965 WARN L254 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 200 conjuncts are in the unsatisfiable core [2024-12-05 22:39:59,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:05,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-12-05 22:40:19,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 105 states and 204 transitions. [2024-12-05 22:40:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 204 transitions. [2024-12-05 22:40:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 22:40:19,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:19,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:19,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:19,080 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:19,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-05 22:40:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:19,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:19,562 WARN L254 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 203 conjuncts are in the unsatisfiable core [2024-12-05 22:40:19,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:22,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:22,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-05 22:40:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:34,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 106 states and 206 transitions. [2024-12-05 22:40:34,911 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 206 transitions. [2024-12-05 22:40:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-05 22:40:34,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:34,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:34,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:34,913 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:34,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-05 22:40:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:35,274 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:35,387 WARN L254 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 201 conjuncts are in the unsatisfiable core [2024-12-05 22:40:35,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:10,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:41:10,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b98f49-cfa1-48db-9859-b641b9b7c0ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0