./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec1_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 680b86ee69d2fa1a591b34672ee94362515e8041606baf59201de5a19c705dd0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:42:35,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:42:35,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:42:35,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:42:35,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:42:35,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:42:35,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:42:35,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:42:35,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:42:35,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:42:35,816 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:42:35,816 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:42:35,816 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:42:35,816 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:42:35,817 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:42:35,817 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:42:35,817 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:42:35,817 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:42:35,817 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:42:35,817 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:42:35,818 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:42:35,818 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:42:35,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:42:35,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:42:35,819 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:42:35,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:42:35,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:42:35,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:42:35,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:42:35,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:42:35,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:42:35,820 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:42:35,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:42:35,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:42:35,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:42:35,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:42:35,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:42:35,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:42:35,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:42:35,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:42:35,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:42:35,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:42:35,822 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:42:35,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:42:35,822 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:42:35,822 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:42:35,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:42:35,822 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 680b86ee69d2fa1a591b34672ee94362515e8041606baf59201de5a19c705dd0 [2024-11-14 03:42:36,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:42:36,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:42:36,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:42:36,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:42:36,199 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:42:36,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/elevator_spec1_product25.cil.c Unable to find full path for "g++" [2024-11-14 03:42:38,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:42:38,616 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:42:38,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/sv-benchmarks/c/product-lines/elevator_spec1_product25.cil.c [2024-11-14 03:42:38,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/data/74613295d/9d7a94ebc06b4820a6392c4b150c3eff/FLAG5aa251fb5 [2024-11-14 03:42:38,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/data/74613295d/9d7a94ebc06b4820a6392c4b150c3eff [2024-11-14 03:42:38,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:42:38,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:42:38,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:42:38,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:42:38,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:42:38,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:42:38" (1/1) ... [2024-11-14 03:42:38,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48cf0f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:38, skipping insertion in model container [2024-11-14 03:42:38,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:42:38" (1/1) ... [2024-11-14 03:42:38,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:42:39,070 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_635bef9c-901d-4201-92ce-71702206f624/sv-benchmarks/c/product-lines/elevator_spec1_product25.cil.c[13407,13420] [2024-11-14 03:42:39,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:42:39,437 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:42:39,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-11-14 03:42:39,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [86] [2024-11-14 03:42:39,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [452] [2024-11-14 03:42:39,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [553] [2024-11-14 03:42:39,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [562] [2024-11-14 03:42:39,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [916] [2024-11-14 03:42:39,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [1099] [2024-11-14 03:42:39,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1770] [2024-11-14 03:42:39,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [1783] [2024-11-14 03:42:39,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1903] [2024-11-14 03:42:39,497 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_635bef9c-901d-4201-92ce-71702206f624/sv-benchmarks/c/product-lines/elevator_spec1_product25.cil.c[13407,13420] [2024-11-14 03:42:39,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:42:39,684 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:42:39,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39 WrapperNode [2024-11-14 03:42:39,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:42:39,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:42:39,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:42:39,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:42:39,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39" (1/1) ... [2024-11-14 03:42:39,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39" (1/1) ... [2024-11-14 03:42:39,776 INFO L138 Inliner]: procedures = 91, calls = 335, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 833 [2024-11-14 03:42:39,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:42:39,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:42:39,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:42:39,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:42:39,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39" (1/1) ... [2024-11-14 03:42:39,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39" (1/1) ... [2024-11-14 03:42:39,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39" (1/1) ... [2024-11-14 03:42:39,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39" (1/1) ... [2024-11-14 03:42:39,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39" (1/1) ... [2024-11-14 03:42:39,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39" (1/1) ... [2024-11-14 03:42:39,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39" (1/1) ... [2024-11-14 03:42:39,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39" (1/1) ... [2024-11-14 03:42:39,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:42:39,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:42:39,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:42:39,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:42:39,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39" (1/1) ... [2024-11-14 03:42:39,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:42:39,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:42:39,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:42:39,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:42:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2024-11-14 03:42:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2024-11-14 03:42:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:42:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-14 03:42:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-14 03:42:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-14 03:42:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-14 03:42:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-14 03:42:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-14 03:42:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-14 03:42:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-14 03:42:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-14 03:42:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-14 03:42:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-14 03:42:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-14 03:42:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-14 03:42:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-14 03:42:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2024-11-14 03:42:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2024-11-14 03:42:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-14 03:42:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-14 03:42:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-14 03:42:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-14 03:42:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-14 03:42:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-14 03:42:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-14 03:42:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-14 03:42:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-14 03:42:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-14 03:42:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-14 03:42:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-14 03:42:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-14 03:42:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-14 03:42:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-14 03:42:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-14 03:42:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-14 03:42:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-14 03:42:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:42:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-14 03:42:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-14 03:42:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-14 03:42:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-14 03:42:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-14 03:42:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-14 03:42:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:42:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:42:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-14 03:42:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-14 03:42:40,170 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:42:40,173 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:42:41,897 INFO L? ?]: Removed 439 outVars from TransFormulas that were not future-live. [2024-11-14 03:42:41,897 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:42:43,366 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:42:43,370 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:42:43,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:42:43 BoogieIcfgContainer [2024-11-14 03:42:43,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:42:43,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:42:43,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:42:43,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:42:43,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:42:38" (1/3) ... [2024-11-14 03:42:43,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172938d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:42:43, skipping insertion in model container [2024-11-14 03:42:43,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:39" (2/3) ... [2024-11-14 03:42:43,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172938d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:42:43, skipping insertion in model container [2024-11-14 03:42:43,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:42:43" (3/3) ... [2024-11-14 03:42:43,395 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product25.cil.c [2024-11-14 03:42:43,421 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:42:43,425 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG elevator_spec1_product25.cil.c that has 23 procedures, 354 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:42:43,544 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:42:43,566 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4cffac15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:42:43,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:42:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 354 states, 239 states have (on average 1.6150627615062763) internal successors, (386), 260 states have internal predecessors, (386), 91 states have call successors, (91), 22 states have call predecessors, (91), 22 states have return successors, (91), 85 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-14 03:42:43,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 03:42:43,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:43,595 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:42:43,595 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:42:43,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:43,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1935311541, now seen corresponding path program 1 times [2024-11-14 03:42:43,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:43,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340165914] [2024-11-14 03:42:43,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:43,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 03:42:44,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:44,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340165914] [2024-11-14 03:42:44,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340165914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:44,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:44,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 03:42:44,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384941931] [2024-11-14 03:42:44,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:44,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 03:42:44,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:45,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 03:42:45,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:42:45,026 INFO L87 Difference]: Start difference. First operand has 354 states, 239 states have (on average 1.6150627615062763) internal successors, (386), 260 states have internal predecessors, (386), 91 states have call successors, (91), 22 states have call predecessors, (91), 22 states have return successors, (91), 85 states have call predecessors, (91), 91 states have call successors, (91) Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 5 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-14 03:42:48,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:48,684 INFO L93 Difference]: Finished difference Result 1177 states and 1929 transitions. [2024-11-14 03:42:48,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 03:42:48,687 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 5 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) Word has length 62 [2024-11-14 03:42:48,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:48,715 INFO L225 Difference]: With dead ends: 1177 [2024-11-14 03:42:48,716 INFO L226 Difference]: Without dead ends: 840 [2024-11-14 03:42:48,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:42:48,731 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 1381 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 2562 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1450 SdHoareTripleChecker+Valid, 1648 SdHoareTripleChecker+Invalid, 3014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 2562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:48,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1450 Valid, 1648 Invalid, 3014 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [452 Valid, 2562 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-14 03:42:48,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-14 03:42:48,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 791. [2024-11-14 03:42:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 558 states have (on average 1.636200716845878) internal successors, (913), 593 states have internal predecessors, (913), 188 states have call successors, (188), 42 states have call predecessors, (188), 44 states have return successors, (189), 180 states have call predecessors, (189), 183 states have call successors, (189) [2024-11-14 03:42:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1290 transitions. [2024-11-14 03:42:48,922 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1290 transitions. Word has length 62 [2024-11-14 03:42:48,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:48,922 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1290 transitions. [2024-11-14 03:42:48,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 5 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-14 03:42:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1290 transitions. [2024-11-14 03:42:48,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-14 03:42:48,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:48,932 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:42:48,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:42:48,932 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:42:48,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:48,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1283936967, now seen corresponding path program 1 times [2024-11-14 03:42:48,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:48,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982872838] [2024-11-14 03:42:48,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:48,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 03:42:49,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:49,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982872838] [2024-11-14 03:42:49,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982872838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:49,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:49,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:42:49,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595501231] [2024-11-14 03:42:49,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:49,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:42:49,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:49,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:42:49,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:42:49,345 INFO L87 Difference]: Start difference. First operand 791 states and 1290 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 03:42:49,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:49,618 INFO L93 Difference]: Finished difference Result 1273 states and 2078 transitions. [2024-11-14 03:42:49,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:42:49,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 67 [2024-11-14 03:42:49,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:49,636 INFO L225 Difference]: With dead ends: 1273 [2024-11-14 03:42:49,637 INFO L226 Difference]: Without dead ends: 807 [2024-11-14 03:42:49,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:42:49,643 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 0 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2066 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:49,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2066 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:42:49,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2024-11-14 03:42:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 803. [2024-11-14 03:42:49,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 567 states have (on average 1.6261022927689595) internal successors, (922), 602 states have internal predecessors, (922), 188 states have call successors, (188), 42 states have call predecessors, (188), 47 states have return successors, (195), 183 states have call predecessors, (195), 183 states have call successors, (195) [2024-11-14 03:42:49,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1305 transitions. [2024-11-14 03:42:49,747 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1305 transitions. Word has length 67 [2024-11-14 03:42:49,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:49,748 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1305 transitions. [2024-11-14 03:42:49,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 03:42:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1305 transitions. [2024-11-14 03:42:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-14 03:42:49,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:49,754 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:42:49,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:42:49,754 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:42:49,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:49,755 INFO L85 PathProgramCache]: Analyzing trace with hash 693733921, now seen corresponding path program 1 times [2024-11-14 03:42:49,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:49,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873378343] [2024-11-14 03:42:49,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:49,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 03:42:50,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:50,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873378343] [2024-11-14 03:42:50,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873378343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:50,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:50,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 03:42:50,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935000888] [2024-11-14 03:42:50,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:50,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 03:42:50,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:50,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 03:42:50,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:42:50,362 INFO L87 Difference]: Start difference. First operand 803 states and 1305 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 6 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-14 03:42:52,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:52,790 INFO L93 Difference]: Finished difference Result 1822 states and 2958 transitions. [2024-11-14 03:42:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 03:42:52,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 6 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 71 [2024-11-14 03:42:52,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:52,807 INFO L225 Difference]: With dead ends: 1822 [2024-11-14 03:42:52,807 INFO L226 Difference]: Without dead ends: 1248 [2024-11-14 03:42:52,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:42:52,813 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 1925 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 1880 mSolverCounterSat, 752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2072 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 2632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 752 IncrementalHoareTripleChecker+Valid, 1880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:52,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2072 Valid, 1302 Invalid, 2632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [752 Valid, 1880 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-14 03:42:52,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2024-11-14 03:42:52,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1154. [2024-11-14 03:42:52,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 803 states have (on average 1.5815691158156913) internal successors, (1270), 855 states have internal predecessors, (1270), 276 states have call successors, (276), 66 states have call predecessors, (276), 74 states have return successors, (292), 269 states have call predecessors, (292), 271 states have call successors, (292) [2024-11-14 03:42:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1838 transitions. [2024-11-14 03:42:52,985 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1838 transitions. Word has length 71 [2024-11-14 03:42:52,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:52,986 INFO L471 AbstractCegarLoop]: Abstraction has 1154 states and 1838 transitions. [2024-11-14 03:42:52,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 6 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-14 03:42:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1838 transitions. [2024-11-14 03:42:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-14 03:42:52,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:52,991 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:42:52,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:42:52,992 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:42:52,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:52,992 INFO L85 PathProgramCache]: Analyzing trace with hash 844523843, now seen corresponding path program 1 times [2024-11-14 03:42:52,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:52,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438648520] [2024-11-14 03:42:52,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:52,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:53,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 03:42:53,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:53,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438648520] [2024-11-14 03:42:53,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438648520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:53,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:53,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:42:53,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459860523] [2024-11-14 03:42:53,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:53,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:42:53,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:53,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:42:53,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:42:53,382 INFO L87 Difference]: Start difference. First operand 1154 states and 1838 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-14 03:42:53,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:53,695 INFO L93 Difference]: Finished difference Result 2255 states and 3647 transitions. [2024-11-14 03:42:53,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:42:53,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 74 [2024-11-14 03:42:53,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:53,708 INFO L225 Difference]: With dead ends: 2255 [2024-11-14 03:42:53,708 INFO L226 Difference]: Without dead ends: 1170 [2024-11-14 03:42:53,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:42:53,718 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 198 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:53,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 1430 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:42:53,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2024-11-14 03:42:53,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1154. [2024-11-14 03:42:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 803 states have (on average 1.5417185554171855) internal successors, (1238), 855 states have internal predecessors, (1238), 276 states have call successors, (276), 66 states have call predecessors, (276), 74 states have return successors, (292), 269 states have call predecessors, (292), 271 states have call successors, (292) [2024-11-14 03:42:53,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1806 transitions. [2024-11-14 03:42:53,825 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1806 transitions. Word has length 74 [2024-11-14 03:42:53,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:53,826 INFO L471 AbstractCegarLoop]: Abstraction has 1154 states and 1806 transitions. [2024-11-14 03:42:53,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-14 03:42:53,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1806 transitions. [2024-11-14 03:42:53,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-14 03:42:53,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:53,834 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:42:53,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 03:42:53,834 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:42:53,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:53,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1025548249, now seen corresponding path program 1 times [2024-11-14 03:42:53,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:53,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300727399] [2024-11-14 03:42:53,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:53,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 03:42:54,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:54,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300727399] [2024-11-14 03:42:54,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300727399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:54,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:54,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 03:42:54,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168275358] [2024-11-14 03:42:54,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:54,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 03:42:54,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:54,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 03:42:54,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:42:54,285 INFO L87 Difference]: Start difference. First operand 1154 states and 1806 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-14 03:42:56,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:56,499 INFO L93 Difference]: Finished difference Result 2210 states and 3477 transitions. [2024-11-14 03:42:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 03:42:56,500 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 76 [2024-11-14 03:42:56,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:56,516 INFO L225 Difference]: With dead ends: 2210 [2024-11-14 03:42:56,517 INFO L226 Difference]: Without dead ends: 1342 [2024-11-14 03:42:56,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-14 03:42:56,523 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 923 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 2432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:56,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 1511 Invalid, 2432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 2057 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-14 03:42:56,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-11-14 03:42:56,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1181. [2024-11-14 03:42:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 821 states have (on average 1.5347137637028014) internal successors, (1260), 877 states have internal predecessors, (1260), 277 states have call successors, (277), 71 states have call predecessors, (277), 82 states have return successors, (303), 269 states have call predecessors, (303), 272 states have call successors, (303) [2024-11-14 03:42:56,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 1840 transitions. [2024-11-14 03:42:56,620 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 1840 transitions. Word has length 76 [2024-11-14 03:42:56,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:56,622 INFO L471 AbstractCegarLoop]: Abstraction has 1181 states and 1840 transitions. [2024-11-14 03:42:56,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-14 03:42:56,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1840 transitions. [2024-11-14 03:42:56,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-14 03:42:56,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:56,624 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:42:56,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 03:42:56,625 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:42:56,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:56,625 INFO L85 PathProgramCache]: Analyzing trace with hash 658231363, now seen corresponding path program 1 times [2024-11-14 03:42:56,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:56,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009138214] [2024-11-14 03:42:56,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:56,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-14 03:42:57,035 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:57,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009138214] [2024-11-14 03:42:57,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009138214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:57,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:57,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 03:42:57,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044208112] [2024-11-14 03:42:57,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:57,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:42:57,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:57,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:42:57,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:42:57,037 INFO L87 Difference]: Start difference. First operand 1181 states and 1840 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 03:42:57,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:57,601 INFO L93 Difference]: Finished difference Result 1253 states and 1953 transitions. [2024-11-14 03:42:57,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:42:57,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 80 [2024-11-14 03:42:57,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:57,614 INFO L225 Difference]: With dead ends: 1253 [2024-11-14 03:42:57,614 INFO L226 Difference]: Without dead ends: 1238 [2024-11-14 03:42:57,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:42:57,616 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 610 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:57,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 1374 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:42:57,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2024-11-14 03:42:57,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1185. [2024-11-14 03:42:57,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 825 states have (on average 1.5321212121212122) internal successors, (1264), 881 states have internal predecessors, (1264), 277 states have call successors, (277), 71 states have call predecessors, (277), 82 states have return successors, (303), 269 states have call predecessors, (303), 272 states have call successors, (303) [2024-11-14 03:42:57,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1844 transitions. [2024-11-14 03:42:57,721 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1844 transitions. Word has length 80 [2024-11-14 03:42:57,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:57,721 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1844 transitions. [2024-11-14 03:42:57,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 03:42:57,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1844 transitions. [2024-11-14 03:42:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-14 03:42:57,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:57,728 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:42:57,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 03:42:57,728 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:42:57,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:57,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1695567766, now seen corresponding path program 1 times [2024-11-14 03:42:57,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:57,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616208548] [2024-11-14 03:42:57,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:57,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-14 03:42:58,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:58,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616208548] [2024-11-14 03:42:58,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616208548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:58,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:58,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 03:42:58,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873906720] [2024-11-14 03:42:58,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:58,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 03:42:58,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:58,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 03:42:58,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:42:58,055 INFO L87 Difference]: Start difference. First operand 1185 states and 1844 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-14 03:42:58,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:58,411 INFO L93 Difference]: Finished difference Result 1216 states and 1886 transitions. [2024-11-14 03:42:58,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:42:58,412 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 85 [2024-11-14 03:42:58,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:58,420 INFO L225 Difference]: With dead ends: 1216 [2024-11-14 03:42:58,420 INFO L226 Difference]: Without dead ends: 1201 [2024-11-14 03:42:58,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:42:58,422 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 221 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 2761 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:58,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 2761 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:42:58,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2024-11-14 03:42:58,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1185. [2024-11-14 03:42:58,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 825 states have (on average 1.5284848484848486) internal successors, (1261), 881 states have internal predecessors, (1261), 277 states have call successors, (277), 71 states have call predecessors, (277), 82 states have return successors, (303), 269 states have call predecessors, (303), 272 states have call successors, (303) [2024-11-14 03:42:58,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1841 transitions. [2024-11-14 03:42:58,518 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1841 transitions. Word has length 85 [2024-11-14 03:42:58,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:58,519 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1841 transitions. [2024-11-14 03:42:58,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-14 03:42:58,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1841 transitions. [2024-11-14 03:42:58,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-14 03:42:58,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:58,522 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:42:58,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 03:42:58,522 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:42:58,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:58,522 INFO L85 PathProgramCache]: Analyzing trace with hash -172674852, now seen corresponding path program 1 times [2024-11-14 03:42:58,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:58,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242769317] [2024-11-14 03:42:58,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:58,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:43:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 03:43:00,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:43:00,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242769317] [2024-11-14 03:43:00,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242769317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:43:00,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678190838] [2024-11-14 03:43:00,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:43:00,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:43:00,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:43:00,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:43:00,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:43:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:43:00,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 1735 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 03:43:00,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:43:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 03:43:00,912 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:43:00,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678190838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:43:00,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 03:43:00,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 16 [2024-11-14 03:43:00,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309127975] [2024-11-14 03:43:00,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:43:00,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:43:00,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:43:00,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:43:00,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:43:00,914 INFO L87 Difference]: Start difference. First operand 1185 states and 1841 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-14 03:43:01,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:43:01,118 INFO L93 Difference]: Finished difference Result 1206 states and 1868 transitions. [2024-11-14 03:43:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:43:01,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 92 [2024-11-14 03:43:01,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:43:01,131 INFO L225 Difference]: With dead ends: 1206 [2024-11-14 03:43:01,131 INFO L226 Difference]: Without dead ends: 1191 [2024-11-14 03:43:01,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:43:01,133 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 0 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:43:01,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1526 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:43:01,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2024-11-14 03:43:01,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1191. [2024-11-14 03:43:01,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 831 states have (on average 1.5246690734055355) internal successors, (1267), 887 states have internal predecessors, (1267), 277 states have call successors, (277), 71 states have call predecessors, (277), 82 states have return successors, (303), 269 states have call predecessors, (303), 272 states have call successors, (303) [2024-11-14 03:43:01,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1847 transitions. [2024-11-14 03:43:01,232 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1847 transitions. Word has length 92 [2024-11-14 03:43:01,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:43:01,233 INFO L471 AbstractCegarLoop]: Abstraction has 1191 states and 1847 transitions. [2024-11-14 03:43:01,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-14 03:43:01,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1847 transitions. [2024-11-14 03:43:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 03:43:01,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:43:01,238 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:43:01,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:43:01,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:43:01,439 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:43:01,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:43:01,440 INFO L85 PathProgramCache]: Analyzing trace with hash 517483624, now seen corresponding path program 1 times [2024-11-14 03:43:01,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:43:01,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553684156] [2024-11-14 03:43:01,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:43:01,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:43:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:43:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-14 03:43:03,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:43:03,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553684156] [2024-11-14 03:43:03,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553684156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:43:03,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031238173] [2024-11-14 03:43:03,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:43:03,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:43:03,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:43:03,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:43:03,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635bef9c-901d-4201-92ce-71702206f624/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 03:43:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:43:03,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 1814 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 03:43:03,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:43:04,450 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-14 03:43:04,451 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:43:16,476 WARN L286 SmtUtils]: Spent 7.69s on a formula simplification. DAG size of input: 2228 DAG size of output: 10 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-14 03:45:19,478 WARN L286 SmtUtils]: Spent 2.04m on a formula simplification. DAG size of input: 1439 DAG size of output: 49 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-14 03:47:22,529 WARN L286 SmtUtils]: Spent 2.04m on a formula simplification. DAG size of input: 1439 DAG size of output: 49 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-14 03:47:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-14 03:47:26,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031238173] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:47:26,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [691352763] [2024-11-14 03:47:26,826 INFO L159 IcfgInterpreter]: Started Sifa with 99 locations of interest [2024-11-14 03:47:26,827 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:47:26,830 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:47:26,835 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:47:26,835 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:47:53,892 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 517 for LOIs [2024-11-14 03:47:55,539 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 580 for LOIs [2024-11-14 03:49:43,649 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 580 for LOIs [2024-11-14 03:49:48,627 INFO L197 IcfgInterpreter]: Interpreting procedure stopRequestedInDirection with input of size 441 for LOIs [2024-11-14 03:49:50,909 INFO L197 IcfgInterpreter]: Interpreting procedure isFloorCalling with input of size 447 for LOIs [2024-11-14 03:49:51,336 INFO L197 IcfgInterpreter]: Interpreting procedure bigMacCall with input of size 587 for LOIs [2024-11-14 03:50:00,200 INFO L197 IcfgInterpreter]: Interpreting procedure isBlocked with input of size 494 for LOIs [2024-11-14 03:50:01,753 INFO L197 IcfgInterpreter]: Interpreting procedure isTopFloor with input of size 437 for LOIs [2024-11-14 03:50:01,963 INFO L197 IcfgInterpreter]: Interpreting procedure angelinaCall with input of size 550 for LOIs [2024-11-14 03:50:09,748 INFO L197 IcfgInterpreter]: Interpreting procedure initPersonOnFloor with input of size 642 for LOIs [2024-11-14 03:50:12,666 INFO L197 IcfgInterpreter]: Interpreting procedure getOrigin with input of size 519 for LOIs [2024-11-14 03:50:13,785 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:50:23,783 WARN L286 SmtUtils]: Spent 9.42s on a formula simplification. DAG size of input: 517 DAG size of output: 486 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:50:39,124 WARN L286 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 587 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:50:45,017 WARN L286 SmtUtils]: Spent 5.00s on a formula simplification. DAG size of input: 519 DAG size of output: 516 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:50:53,813 WARN L286 SmtUtils]: Spent 7.96s on a formula simplification. DAG size of input: 553 DAG size of output: 523 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:51:00,046 WARN L286 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 589 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:51:06,298 WARN L286 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 589 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:51:23,411 WARN L286 SmtUtils]: Spent 15.52s on a formula simplification. DAG size of input: 642 DAG size of output: 602 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:51:58,289 WARN L286 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 580 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:52:05,238 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 582 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:52:11,030 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 596 DAG size of output: 593 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:52:16,508 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 581 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:52:52,570 WARN L286 SmtUtils]: Spent 9.65s on a formula simplification. DAG size of input: 530 DAG size of output: 499 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:53:03,527 WARN L286 SmtUtils]: Spent 9.76s on a formula simplification. DAG size of input: 532 DAG size of output: 501 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:53:14,509 WARN L286 SmtUtils]: Spent 9.74s on a formula simplification. DAG size of input: 534 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:53:24,711 WARN L286 SmtUtils]: Spent 9.03s on a formula simplification. DAG size of input: 494 DAG size of output: 463 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:53:35,205 WARN L286 SmtUtils]: Spent 9.24s on a formula simplification. DAG size of input: 496 DAG size of output: 465 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:53:46,272 WARN L286 SmtUtils]: Spent 9.73s on a formula simplification. DAG size of input: 534 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:53:57,446 WARN L286 SmtUtils]: Spent 9.67s on a formula simplification. DAG size of input: 534 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:54:08,793 WARN L286 SmtUtils]: Spent 9.90s on a formula simplification. DAG size of input: 535 DAG size of output: 504 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:54:20,666 WARN L286 SmtUtils]: Spent 10.19s on a formula simplification. DAG size of input: 538 DAG size of output: 507 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:54:32,515 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification. DAG size of input: 534 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:54:44,149 WARN L286 SmtUtils]: Spent 9.82s on a formula simplification. DAG size of input: 536 DAG size of output: 505 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:54:56,303 WARN L286 SmtUtils]: Spent 10.39s on a formula simplification. DAG size of input: 539 DAG size of output: 508 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:55:08,029 WARN L286 SmtUtils]: Spent 9.84s on a formula simplification. DAG size of input: 542 DAG size of output: 511 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:55:19,537 WARN L286 SmtUtils]: Spent 9.75s on a formula simplification. DAG size of input: 538 DAG size of output: 507 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:55:31,466 WARN L286 SmtUtils]: Spent 9.91s on a formula simplification. DAG size of input: 540 DAG size of output: 509 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:55:43,605 WARN L286 SmtUtils]: Spent 10.24s on a formula simplification. DAG size of input: 543 DAG size of output: 512 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:55:56,060 WARN L286 SmtUtils]: Spent 9.99s on a formula simplification. DAG size of input: 546 DAG size of output: 515 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:56:08,089 WARN L286 SmtUtils]: Spent 9.89s on a formula simplification. DAG size of input: 542 DAG size of output: 511 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:56:20,380 WARN L286 SmtUtils]: Spent 9.91s on a formula simplification. DAG size of input: 544 DAG size of output: 513 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:56:32,716 WARN L286 SmtUtils]: Spent 10.12s on a formula simplification. DAG size of input: 547 DAG size of output: 516 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:56:45,330 WARN L286 SmtUtils]: Spent 10.17s on a formula simplification. DAG size of input: 550 DAG size of output: 519 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:56:57,884 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification. DAG size of input: 546 DAG size of output: 515 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)