./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_3_6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/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 a842a693834937bbb730d9f1eb46f6df5c10533a9bdb1ffd45fcb777ef149243 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:23:23,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:23:23,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:23:23,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:23:23,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:23:23,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:23:23,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:23:23,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:23:23,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:23:23,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:23:23,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:23:23,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:23:23,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:23:23,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:23:23,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:23:23,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:23:23,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:23:23,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:23:23,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:23:23,379 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:23:23,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:23:23,379 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:23:23,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:23:23,379 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:23:23,379 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:23:23,379 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:23:23,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:23:23,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:23:23,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:23:23,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:23:23,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:23:23,380 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:23:23,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:23:23,380 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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/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 -> a842a693834937bbb730d9f1eb46f6df5c10533a9bdb1ffd45fcb777ef149243 [2024-12-06 03:23:23,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:23:23,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:23:23,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:23:23,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:23:23,631 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:23:23,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_3_6.i [2024-12-06 03:23:26,249 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/data/604a76cf5/40e9402bf6ff4f849fbc38902f90dc49/FLAGe35a4a612 [2024-12-06 03:23:26,466 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:23:26,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/sv-benchmarks/c/combinations/gcd_1+newton_3_6.i [2024-12-06 03:23:26,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/data/604a76cf5/40e9402bf6ff4f849fbc38902f90dc49/FLAGe35a4a612 [2024-12-06 03:23:26,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/data/604a76cf5/40e9402bf6ff4f849fbc38902f90dc49 [2024-12-06 03:23:26,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:23:26,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:23:26,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:23:26,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:23:26,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:23:26,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5408b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26, skipping insertion in model container [2024-12-06 03:23:26,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,519 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:23:26,675 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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/sv-benchmarks/c/combinations/gcd_1+newton_3_6.i[1226,1239] [2024-12-06 03:23:26,704 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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/sv-benchmarks/c/combinations/gcd_1+newton_3_6.i[2828,2841] [2024-12-06 03:23:26,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:23:26,715 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:23:26,727 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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/sv-benchmarks/c/combinations/gcd_1+newton_3_6.i[1226,1239] [2024-12-06 03:23:26,738 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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/sv-benchmarks/c/combinations/gcd_1+newton_3_6.i[2828,2841] [2024-12-06 03:23:26,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:23:26,755 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:23:26,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26 WrapperNode [2024-12-06 03:23:26,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:23:26,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:23:26,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:23:26,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:23:26,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,796 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-12-06 03:23:26,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:23:26,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:23:26,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:23:26,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:23:26,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,813 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:23:26,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:23:26,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:23:26,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:23:26,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:26" (1/1) ... [2024-12-06 03:23:26,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:23:26,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:23:26,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:23:26,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:23:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:23:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 03:23:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 03:23:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 03:23:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 03:23:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:23:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:23:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:23:26,963 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:23:26,964 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:23:27,157 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-06 03:23:27,157 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:23:27,213 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:23:27,214 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:23:27,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:23:27 BoogieIcfgContainer [2024-12-06 03:23:27,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:23:27,215 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:23:27,215 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:23:27,226 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:23:27,226 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:23:27" (1/1) ... [2024-12-06 03:23:27,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:23:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:27,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 03:23:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 03:23:27,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:23:27,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:27,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:27,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:27,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 03:23:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 03:23:27,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:23:27,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:27,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:27,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 03:23:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 03:23:27,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:23:27,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:27,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:23:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:23:30,042 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:23:30,045 INFO L158 Benchmark]: Toolchain (without parser) took 3551.63ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 87.8MB in the end (delta: 29.1MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-12-06 03:23:30,046 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:23:30,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.01ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:23:30,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.28ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:23:30,047 INFO L158 Benchmark]: Boogie Preprocessor took 26.56ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:23:30,047 INFO L158 Benchmark]: RCFGBuilder took 390.15ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 84.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:23:30,047 INFO L158 Benchmark]: CodeCheck took 2829.60ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 87.8MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:23:30,050 INFO L338 ainManager$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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.01ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.28ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.56ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 390.15ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 84.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2829.60ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 87.8MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:23:30,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/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 a842a693834937bbb730d9f1eb46f6df5c10533a9bdb1ffd45fcb777ef149243 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:23:32,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:23:32,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:23:32,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:23:32,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:23:32,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:23:32,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:23:32,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:23:32,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:23:32,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:23:32,205 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:23:32,205 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:23:32,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:23:32,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:23:32,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:23:32,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:23:32,205 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:23:32,205 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:23:32,205 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:23:32,206 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:23:32,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:23:32,206 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:23:32,206 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:23:32,206 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:23:32,206 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:23:32,206 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:23:32,206 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:32,206 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:23:32,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:23:32,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:23:32,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:23:32,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:23:32,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:23:32,207 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:23:32,207 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:32,207 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:23:32,207 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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/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 -> a842a693834937bbb730d9f1eb46f6df5c10533a9bdb1ffd45fcb777ef149243 [2024-12-06 03:23:32,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:23:32,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:23:32,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:23:32,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:23:32,471 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:23:32,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_3_6.i [2024-12-06 03:23:35,188 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/data/7882b133f/1903d5e542b045f298fa49b588d00b3e/FLAG5722a06fb [2024-12-06 03:23:35,397 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:23:35,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/sv-benchmarks/c/combinations/gcd_1+newton_3_6.i [2024-12-06 03:23:35,406 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/data/7882b133f/1903d5e542b045f298fa49b588d00b3e/FLAG5722a06fb [2024-12-06 03:23:35,740 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/data/7882b133f/1903d5e542b045f298fa49b588d00b3e [2024-12-06 03:23:35,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:23:35,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:23:35,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:23:35,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:23:35,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:23:35,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:35,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eaa9349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35, skipping insertion in model container [2024-12-06 03:23:35,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:35,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:23:35,896 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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/sv-benchmarks/c/combinations/gcd_1+newton_3_6.i[1226,1239] [2024-12-06 03:23:35,918 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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/sv-benchmarks/c/combinations/gcd_1+newton_3_6.i[2828,2841] [2024-12-06 03:23:35,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:23:35,930 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:23:35,939 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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/sv-benchmarks/c/combinations/gcd_1+newton_3_6.i[1226,1239] [2024-12-06 03:23:35,951 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_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/sv-benchmarks/c/combinations/gcd_1+newton_3_6.i[2828,2841] [2024-12-06 03:23:35,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:23:35,965 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:23:35,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35 WrapperNode [2024-12-06 03:23:35,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:23:35,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:23:35,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:23:35,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:23:35,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:35,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:35,994 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 03:23:35,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:23:35,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:23:35,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:23:35,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:23:36,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:36,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:36,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:36,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:36,012 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:36,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:36,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:36,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:36,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:36,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:23:36,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:23:36,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:23:36,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:23:36,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:35" (1/1) ... [2024-12-06 03:23:36,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:23:36,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:23:36,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:23:36,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:23:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:23:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:23:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 03:23:36,073 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 03:23:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 03:23:36,073 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 03:23:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:23:36,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:23:36,132 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:23:36,134 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:24:00,710 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 03:24:00,710 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:24:00,759 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:24:00,759 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:24:00,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:24:00 BoogieIcfgContainer [2024-12-06 03:24:00,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:24:00,761 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:24:00,761 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:24:00,770 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:24:00,770 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:24:00" (1/1) ... [2024-12-06 03:24:00,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:24:00,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 03:24:00,812 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 03:24:00,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:24:00,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:00,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:00,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:00,818 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:00,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:24:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:00,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:00,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:24:00,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:01,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:01,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:24:01,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:01,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 03:24:01,340 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 03:24:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:24:01,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:01,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:01,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:01,342 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:01,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:24:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:01,595 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:01,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:24:01,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:01,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:24:03,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:03,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 03:24:03,523 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 03:24:03,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:24:03,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:03,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:03,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:03,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:03,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:24:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:04,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:05,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:24:05,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:15,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:24:24,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:24:28,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:24:30,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 03:24:30,935 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 03:24:30,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:24:30,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:30,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:30,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:30,937 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:30,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:24:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:31,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:34,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:24:34,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:44,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:25:00,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:25:06,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.00s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:25:08,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:25:11,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:25:13,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:25:15,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:25:15,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:25:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:25:15,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:25:15,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:15,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:15,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:15,403 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:15,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:25:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:16,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:19,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:25:19,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:25:34,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:25:34,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:34,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:25:34,515 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:25:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:25:34,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:34,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:34,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:34,518 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:34,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:25:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:35,420 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:38,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:25:38,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:25:51,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:25:51,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:25:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:25:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:25:51,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:51,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:51,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:51,165 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:51,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:25:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:51,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:57,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:25:57,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:07,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:26:07,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:26:07,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:26:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:26:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:26:08,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:08,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:08,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:08,002 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:08,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:26:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:08,757 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:11,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:26:11,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:23,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:26:23,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:26:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:26:23,276 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:26:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:26:23,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:23,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:23,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:23,279 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:23,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:26:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:23,945 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:27,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:26:27,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:38,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:26:38,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:26:38,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:38,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:26:38,963 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:26:38,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:26:38,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:38,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:38,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:38,965 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:38,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:26:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:39,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:42,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:26:42,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:26:54,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 03:26:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:54,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:26:54,756 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:26:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:26:54,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:54,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:54,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:54,758 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:54,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:26:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:55,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:58,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:26:58,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:27:10,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:27:10,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:27:10,115 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:27:10,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:27:10,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:10,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:10,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:10,118 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:10,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:27:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:10,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:13,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:27:13,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:27:26,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:27:26,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:27:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:27:26,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:27:26,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:26,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:26,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:26,547 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:26,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:27:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:27,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:31,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:27:31,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:27:43,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 03:27:43,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:43,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:27:43,729 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:27:43,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:27:43,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:43,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:43,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:43,731 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:43,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 03:27:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:44,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:46,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:27:46,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:00,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 03:28:00,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:00,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:28:00,322 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:28:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:28:00,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:00,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:00,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:00,325 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:00,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 03:28:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:01,006 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:05,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:28:05,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:18,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 03:28:18,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:18,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:28:18,091 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:28:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:28:18,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:18,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:18,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:18,093 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:18,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 03:28:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:18,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:22,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 03:28:22,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:38,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 03:28:50,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:50,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:28:50,596 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:28:50,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:28:50,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:50,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:50,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:50,599 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:50,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 03:28:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:51,313 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:54,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:28:54,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:29:06,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 03:29:06,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:29:06,899 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:29:06,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:29:06,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:06,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:29:06,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:29:06,902 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:29:06,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 03:29:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:07,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:29:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:10,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:29:10,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:29:22,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 03:29:22,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:29:22,858 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:29:22,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:29:22,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:22,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:29:22,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:29:22,860 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:29:22,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 03:29:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:23,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:29:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:27,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:29:27,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:39,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:29:39,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 03:29:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:29:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:29:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:29:39,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:39,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:29:39,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:29:39,849 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:29:39,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 03:29:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:40,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:29:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:43,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:29:43,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:29:55,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-12-06 03:29:55,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:55,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:29:55,948 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:29:55,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:29:55,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:55,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:29:55,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:29:55,951 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:29:55,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 03:29:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:56,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:29:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:59,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:29:59,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:30:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:30:13,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 03:30:13,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:30:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:30:13,977 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:30:13,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:30:13,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:30:13,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:30:13,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:30:13,979 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:30:13,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 03:30:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:14,626 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:30:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:17,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:30:17,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:30:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:30:30,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 03:30:30,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:30:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:30:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:30:30,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:30:30,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:30:30,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:30:30,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:30:30,037 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:30:30,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 03:30:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:30,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:30:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:33,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:30:33,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:30:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:30:46,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 03:30:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:30:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:30:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:30:46,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:30:46,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:30:46,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:30:46,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:30:46,100 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:30:46,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 03:30:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:46,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:30:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:50,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:30:50,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:02,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:31:02,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 03:31:02,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:31:02,430 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:31:02,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:31:02,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:02,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:31:02,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:31:02,432 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:31:02,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 03:31:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:03,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:31:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:06,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:31:06,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:31:22,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 03:31:22,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:31:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:31:22,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:31:22,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:22,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:31:22,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:31:22,057 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:31:22,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 03:31:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:22,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:31:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:25,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:31:25,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:31:37,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 03:31:37,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:37,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:31:37,215 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:31:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:31:37,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:37,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:31:37,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:31:37,217 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:31:37,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 03:31:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:37,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:31:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:42,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:31:42,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:31:54,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 03:31:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:54,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:31:54,081 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:31:54,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:31:54,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:54,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:31:54,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:31:54,083 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:31:54,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 03:31:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:54,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:31:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:57,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:31:57,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:07,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:32:07,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 03:32:07,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:32:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:32:07,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:32:07,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:07,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:07,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:07,992 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:07,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 03:32:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:08,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:32:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:11,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:32:11,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:25,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:32:25,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 03:32:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:32:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:32:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:32:25,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:25,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:25,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:25,538 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:25,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 03:32:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:26,200 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:32:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:28,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:32:28,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:41,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:32:41,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 03:32:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:41,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:32:41,012 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:32:41,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:32:41,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:41,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:41,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:41,014 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:41,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 03:32:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:41,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:32:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:44,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:32:44,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:32:57,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 03:33:00,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:00,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:33:00,905 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:33:00,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:33:00,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:00,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:00,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:00,908 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:00,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 03:33:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:01,579 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:04,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:33:04,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:17,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:17,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 03:33:17,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:17,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:33:17,780 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:33:17,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:33:17,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:17,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:17,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:17,783 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:17,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 03:33:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:18,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:21,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:33:21,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:34,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:34,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 03:33:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:34,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:33:34,656 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:33:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:33:34,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:34,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:34,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:34,658 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:34,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 03:33:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:35,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:38,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:33:38,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:51,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:51,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 03:33:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:51,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:33:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:33:51,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:33:51,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:51,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:51,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:51,384 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:51,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 03:33:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:52,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:55,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:33:55,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:34:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:34:10,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 03:34:13,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:34:13,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:34:13,775 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:34:13,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:34:13,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:34:13,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:34:13,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:34:13,777 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:34:13,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 03:34:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:14,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:34:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:17,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:34:17,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:34:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:34:31,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 03:34:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:34:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:34:31,139 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:34:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:34:31,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:34:31,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:34:31,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:34:31,141 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:34:31,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 03:34:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:31,799 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:34:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:35,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:34:35,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:34:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:34:48,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 03:34:48,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:34:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:34:48,143 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:34:48,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:34:48,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:34:48,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:34:48,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:34:48,144 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:34:48,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 03:34:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:48,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:34:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:52,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:34:52,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:35:03,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:35:03,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 03:35:03,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:03,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:35:03,958 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:35:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:35:03,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:03,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:03,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:35:03,960 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:35:03,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 03:35:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:04,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:35:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:08,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:35:08,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:35:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:35:20,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 03:35:20,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:35:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:35:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:35:20,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:20,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:20,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:35:20,874 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:35:20,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 03:35:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:21,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:35:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:24,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:35:24,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:35:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:35:38,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 03:35:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:38,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:35:38,369 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:35:38,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:35:38,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:38,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:38,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:35:38,371 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:35:38,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 03:35:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:39,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:35:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:42,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:35:42,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:35:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:35:56,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 03:35:56,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:56,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:35:56,584 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:35:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:35:56,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:56,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:56,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:35:56,586 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:35:56,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 03:35:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:57,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:36:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:01,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:36:01,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:36:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:36:17,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 03:36:17,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:36:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:36:17,336 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:36:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:36:17,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:36:17,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:36:17,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:36:17,339 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:36:17,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 03:36:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:18,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:36:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:22,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:36:22,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:36:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:36:36,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 03:36:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:36:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:36:36,012 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:36:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:36:36,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:36:36,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:36:36,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:36:36,014 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:36:36,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 03:36:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:36,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:36:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:40,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:36:40,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:36:53,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:36:53,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 03:36:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:36:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:36:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:36:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:36:53,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:36:53,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:36:53,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:36:53,587 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:36:53,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 03:36:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:54,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:36:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:57,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:36:57,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:37:07,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:37:07,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 03:37:07,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:07,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:37:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:37:07,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:37:07,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:07,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:07,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:37:07,996 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:37:07,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 03:37:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:08,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:37:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:11,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:37:11,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:37:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:37:25,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 03:37:25,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:25,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:37:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:37:25,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:37:25,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:25,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:25,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:37:25,461 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:37:25,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 03:37:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:26,084 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:37:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:29,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:37:29,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:37:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:37:41,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 03:37:41,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:41,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:37:41,524 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:37:41,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:37:41,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:41,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:41,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:37:41,526 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:37:41,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 03:37:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:42,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:37:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:48,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:37:48,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:38:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:38:02,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 03:38:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:38:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:38:02,802 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:38:02,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:38:02,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:38:02,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:38:02,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:38:02,804 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:38:02,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 03:38:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:03,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:38:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:07,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:38:07,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:38:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:38:19,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 03:38:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:38:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:38:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:38:19,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:38:19,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:38:19,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:38:19,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:38:19,910 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:38:19,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 03:38:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:20,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:38:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:24,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:38:24,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:38:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:38:35,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 03:38:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:38:35,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-12-06 03:38:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-12-06 03:38:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:38:35,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:38:35,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:38:35,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:38:35,597 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:38:35,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4a8f25-b232-4e37-a2ef-40dbaee7c94b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 03:38:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:36,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:38:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:39,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:38:39,093 INFO L279 TraceCheckSpWp]: Computing forward predicates...