./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11bb1f05736dca729c358ce9b340534ff3d0ef3cd2b5d7b8f4dea43dade9112f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:33:40,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:33:40,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:33:40,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:33:40,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:33:40,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:33:40,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:33:40,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:33:40,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:33:40,850 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:33:40,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:33:40,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:33:40,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:33:40,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:33:40,854 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:33:40,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:33:40,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:33:40,854 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:33:40,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:33:40,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:33:40,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:33:40,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:33:40,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:33:40,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:33:40,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:33:40,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:33:40,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:33:40,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:33:40,860 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:33:40,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:33:40,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:33:40,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:33:40,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:33:40,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:33:40,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:33:40,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:33:40,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:33:40,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:33:40,863 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:33:40,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:33:40,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:33:40,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:33:40,864 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11bb1f05736dca729c358ce9b340534ff3d0ef3cd2b5d7b8f4dea43dade9112f [2024-11-16 07:33:41,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:33:41,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:33:41,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:33:41,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:33:41,180 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:33:41,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c [2024-11-16 07:33:42,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:33:42,930 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:33:42,931 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c [2024-11-16 07:33:42,966 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4043c4b55/f7b8bce82b9649aa991b023d5ce4e116/FLAG0e752ebe0 [2024-11-16 07:33:42,981 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4043c4b55/f7b8bce82b9649aa991b023d5ce4e116 [2024-11-16 07:33:42,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:33:42,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:33:42,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:33:42,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:33:42,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:33:42,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:33:42" (1/1) ... [2024-11-16 07:33:42,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d17f36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:42, skipping insertion in model container [2024-11-16 07:33:42,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:33:42" (1/1) ... [2024-11-16 07:33:43,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:33:43,563 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c[66437,66450] [2024-11-16 07:33:43,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:33:43,596 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:33:43,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-16 07:33:43,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [414] [2024-11-16 07:33:43,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [516] [2024-11-16 07:33:43,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [873] [2024-11-16 07:33:43,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2432] [2024-11-16 07:33:43,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [3093] [2024-11-16 07:33:43,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3105] [2024-11-16 07:33:43,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification9_spec.i","") [3114] [2024-11-16 07:33:43,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3273] [2024-11-16 07:33:43,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3308] [2024-11-16 07:33:43,693 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c[66437,66450] [2024-11-16 07:33:43,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:33:43,734 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:33:43,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43 WrapperNode [2024-11-16 07:33:43,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:33:43,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:33:43,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:33:43,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:33:43,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (1/1) ... [2024-11-16 07:33:43,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (1/1) ... [2024-11-16 07:33:43,816 INFO L138 Inliner]: procedures = 95, calls = 339, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 1120 [2024-11-16 07:33:43,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:33:43,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:33:43,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:33:43,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:33:43,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (1/1) ... [2024-11-16 07:33:43,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (1/1) ... [2024-11-16 07:33:43,839 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (1/1) ... [2024-11-16 07:33:43,877 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-16 07:33:43,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (1/1) ... [2024-11-16 07:33:43,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (1/1) ... [2024-11-16 07:33:43,912 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (1/1) ... [2024-11-16 07:33:43,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (1/1) ... [2024-11-16 07:33:43,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (1/1) ... [2024-11-16 07:33:43,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (1/1) ... [2024-11-16 07:33:43,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:33:43,932 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:33:43,934 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:33:43,934 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:33:43,935 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (1/1) ... [2024-11-16 07:33:43,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:33:43,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:33:43,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 07:33:43,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 07:33:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:33:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-16 07:33:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-16 07:33:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-16 07:33:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-16 07:33:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-16 07:33:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-16 07:33:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2024-11-16 07:33:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2024-11-16 07:33:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-16 07:33:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-16 07:33:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-16 07:33:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-16 07:33:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-16 07:33:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-16 07:33:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-16 07:33:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-16 07:33:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-16 07:33:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-16 07:33:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-16 07:33:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-16 07:33:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-16 07:33:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-16 07:33:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-16 07:33:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-16 07:33:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2024-11-16 07:33:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2024-11-16 07:33:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-16 07:33:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-16 07:33:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2024-11-16 07:33:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2024-11-16 07:33:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-16 07:33:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-16 07:33:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-16 07:33:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-16 07:33:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-16 07:33:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-16 07:33:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-16 07:33:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-16 07:33:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2024-11-16 07:33:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2024-11-16 07:33:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:33:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 07:33:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 07:33:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 07:33:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 07:33:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 07:33:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 07:33:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 07:33:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 07:33:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 07:33:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 07:33:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 07:33:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-16 07:33:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-16 07:33:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-16 07:33:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-16 07:33:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-16 07:33:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-16 07:33:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-16 07:33:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-16 07:33:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-16 07:33:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-16 07:33:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-16 07:33:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-16 07:33:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-16 07:33:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-16 07:33:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:33:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:33:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-16 07:33:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-16 07:33:44,244 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:33:44,245 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:33:44,307 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3423: #res := ~retValue_acc~29; [2024-11-16 07:33:44,347 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3345: #res := ~retValue_acc~27; [2024-11-16 07:33:44,353 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L957: #res := ~retValue_acc~5; [2024-11-16 07:33:44,375 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1135: #res := ~retValue_acc~6; [2024-11-16 07:33:44,491 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1791: #res#1 := ~retValue_acc~16#1; [2024-11-16 07:33:44,493 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1178-1: buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; [2024-11-16 07:33:44,498 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2420: #res := ~retValue_acc~20; [2024-11-16 07:33:44,815 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1672-1: stopRequestedInDirection__wrappee__empty_#res#1 := stopRequestedInDirection__wrappee__empty_~retValue_acc~13#1; [2024-11-16 07:33:44,815 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1701: #res#1 := ~retValue_acc~14#1; [2024-11-16 07:33:44,876 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1836: #res := ~retValue_acc~18; [2024-11-16 07:33:44,890 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3384: #res := ~retValue_acc~28; [2024-11-16 07:33:44,910 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1227: #res := ~retValue_acc~10; [2024-11-16 07:33:45,017 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1307-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; [2024-11-16 07:33:45,017 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1320-1: isIdle_#res#1 := isIdle_~retValue_acc~12#1; [2024-11-16 07:33:45,149 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1144-1: areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; [2024-11-16 07:33:45,150 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1822-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~17#1; [2024-11-16 07:33:45,217 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2779: #res := ~retValue_acc~23; [2024-11-16 07:33:45,294 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L870-1: main_#res#1 := main_~retValue_acc~4#1; [2024-11-16 07:33:45,294 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3305-1: valid_product_#res#1 := valid_product_~retValue_acc~26#1; [2024-11-16 07:33:45,304 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2543: #res := ~retValue_acc~22; [2024-11-16 07:33:45,309 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3090: #res := ~retValue_acc~24; [2024-11-16 07:33:45,501 INFO L? ?]: Removed 455 outVars from TransFormulas that were not future-live. [2024-11-16 07:33:45,501 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:33:45,545 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:33:45,546 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:33:45,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:33:45 BoogieIcfgContainer [2024-11-16 07:33:45,547 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:33:45,549 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:33:45,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:33:45,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:33:45,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:33:42" (1/3) ... [2024-11-16 07:33:45,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c3a53d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:33:45, skipping insertion in model container [2024-11-16 07:33:45,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:33:43" (2/3) ... [2024-11-16 07:33:45,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c3a53d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:33:45, skipping insertion in model container [2024-11-16 07:33:45,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:33:45" (3/3) ... [2024-11-16 07:33:45,557 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product27.cil.c [2024-11-16 07:33:45,574 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:33:45,575 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:33:45,656 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:33:45,664 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=PETRI_NET, 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;@381fae1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:33:45,664 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:33:45,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 585 states, 466 states have (on average 1.6566523605150214) internal successors, (772), 487 states have internal predecessors, (772), 93 states have call successors, (93), 24 states have call predecessors, (93), 24 states have return successors, (93), 87 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-16 07:33:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-16 07:33:45,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:33:45,706 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:33:45,709 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:33:45,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:33:45,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1678734046, now seen corresponding path program 1 times [2024-11-16 07:33:45,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:33:45,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282749804] [2024-11-16 07:33:45,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:33:45,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:33:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:46,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:33:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:46,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:46,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:33:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:46,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 07:33:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:47,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:47,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:47,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:47,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:33:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:47,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:33:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:47,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:47,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:47,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:33:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:47,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:33:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:47,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:33:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:33:47,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:33:47,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282749804] [2024-11-16 07:33:47,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282749804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:33:47,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:33:47,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:33:47,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221731667] [2024-11-16 07:33:47,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:33:47,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:33:47,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:33:47,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:33:47,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:33:47,192 INFO L87 Difference]: Start difference. First operand has 585 states, 466 states have (on average 1.6566523605150214) internal successors, (772), 487 states have internal predecessors, (772), 93 states have call successors, (93), 24 states have call predecessors, (93), 24 states have return successors, (93), 87 states have call predecessors, (93), 93 states have call successors, (93) Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:33:52,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:33:52,649 INFO L93 Difference]: Finished difference Result 1401 states and 2329 transitions. [2024-11-16 07:33:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 07:33:52,651 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 106 [2024-11-16 07:33:52,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:33:52,673 INFO L225 Difference]: With dead ends: 1401 [2024-11-16 07:33:52,673 INFO L226 Difference]: Without dead ends: 828 [2024-11-16 07:33:52,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:33:52,689 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 999 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 3002 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 3002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:33:52,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 1825 Invalid, 3205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [203 Valid, 3002 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-16 07:33:52,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-16 07:33:52,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 576. [2024-11-16 07:33:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 459 states have (on average 1.65359477124183) internal successors, (759), 478 states have internal predecessors, (759), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-16 07:33:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 940 transitions. [2024-11-16 07:33:52,936 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 940 transitions. Word has length 106 [2024-11-16 07:33:52,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:33:52,937 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 940 transitions. [2024-11-16 07:33:52,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:33:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 940 transitions. [2024-11-16 07:33:52,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-16 07:33:52,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:33:52,948 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:33:52,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 07:33:52,949 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:33:52,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:33:52,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1175721379, now seen corresponding path program 1 times [2024-11-16 07:33:52,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:33:52,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953059314] [2024-11-16 07:33:52,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:33:52,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:33:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:33:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:33:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 07:33:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:33:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:33:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:33:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:33:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:33:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:33:53,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:33:53,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953059314] [2024-11-16 07:33:53,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953059314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:33:53,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:33:53,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:33:53,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73096092] [2024-11-16 07:33:53,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:33:53,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:33:53,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:33:53,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:33:53,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:33:53,673 INFO L87 Difference]: Start difference. First operand 576 states and 940 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:33:58,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:33:58,320 INFO L93 Difference]: Finished difference Result 1386 states and 2290 transitions. [2024-11-16 07:33:58,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 07:33:58,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 110 [2024-11-16 07:33:58,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:33:58,329 INFO L225 Difference]: With dead ends: 1386 [2024-11-16 07:33:58,329 INFO L226 Difference]: Without dead ends: 828 [2024-11-16 07:33:58,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:33:58,333 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 1459 mSDsluCounter, 1273 mSDsCounter, 0 mSdLazyCounter, 2946 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 1729 SdHoareTripleChecker+Invalid, 3288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 2946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-16 07:33:58,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 1729 Invalid, 3288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 2946 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-16 07:33:58,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-16 07:33:58,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 576. [2024-11-16 07:33:58,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 459 states have (on average 1.6514161220043573) internal successors, (758), 478 states have internal predecessors, (758), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-16 07:33:58,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 939 transitions. [2024-11-16 07:33:58,479 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 939 transitions. Word has length 110 [2024-11-16 07:33:58,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:33:58,479 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 939 transitions. [2024-11-16 07:33:58,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:33:58,480 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 939 transitions. [2024-11-16 07:33:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-16 07:33:58,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:33:58,487 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:33:58,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 07:33:58,488 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:33:58,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:33:58,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1437410434, now seen corresponding path program 1 times [2024-11-16 07:33:58,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:33:58,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334107461] [2024-11-16 07:33:58,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:33:58,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:33:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:58,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:33:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:58,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:58,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 07:33:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:59,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 07:33:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:59,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:59,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:59,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:59,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:33:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:59,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:33:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:59,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:59,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:33:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:59,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:33:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:59,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:33:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:59,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:33:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:33:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:33:59,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:33:59,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334107461] [2024-11-16 07:33:59,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334107461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:33:59,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:33:59,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:33:59,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295928373] [2024-11-16 07:33:59,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:33:59,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:33:59,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:33:59,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:33:59,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:33:59,132 INFO L87 Difference]: Start difference. First operand 576 states and 939 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:03,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:03,420 INFO L93 Difference]: Finished difference Result 1386 states and 2289 transitions. [2024-11-16 07:34:03,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 07:34:03,421 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 111 [2024-11-16 07:34:03,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:03,427 INFO L225 Difference]: With dead ends: 1386 [2024-11-16 07:34:03,427 INFO L226 Difference]: Without dead ends: 828 [2024-11-16 07:34:03,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:34:03,431 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 995 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 2997 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 1791 SdHoareTripleChecker+Invalid, 3198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 2997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:03,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1068 Valid, 1791 Invalid, 3198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 2997 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-16 07:34:03,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-16 07:34:03,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 576. [2024-11-16 07:34:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 459 states have (on average 1.6492374727668846) internal successors, (757), 478 states have internal predecessors, (757), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-16 07:34:03,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 938 transitions. [2024-11-16 07:34:03,538 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 938 transitions. Word has length 111 [2024-11-16 07:34:03,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:03,538 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 938 transitions. [2024-11-16 07:34:03,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:03,539 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 938 transitions. [2024-11-16 07:34:03,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-16 07:34:03,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:03,542 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:34:03,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 07:34:03,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:03,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:03,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1866820806, now seen corresponding path program 1 times [2024-11-16 07:34:03,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:03,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555158113] [2024-11-16 07:34:03,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:03,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:03,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:03,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:03,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 07:34:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:04,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:34:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:04,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:04,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:04,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:04,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:34:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:04,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:34:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:04,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:04,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:34:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:04,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:34:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:04,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:34:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:34:04,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:04,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555158113] [2024-11-16 07:34:04,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555158113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:04,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:04,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:34:04,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720508079] [2024-11-16 07:34:04,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:04,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:34:04,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:04,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:34:04,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:34:04,154 INFO L87 Difference]: Start difference. First operand 576 states and 938 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:08,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:08,163 INFO L93 Difference]: Finished difference Result 1386 states and 2288 transitions. [2024-11-16 07:34:08,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 07:34:08,163 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 112 [2024-11-16 07:34:08,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:08,169 INFO L225 Difference]: With dead ends: 1386 [2024-11-16 07:34:08,169 INFO L226 Difference]: Without dead ends: 828 [2024-11-16 07:34:08,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:34:08,173 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 1454 mSDsluCounter, 1267 mSDsCounter, 0 mSdLazyCounter, 2927 mSolverCounterSat, 347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1527 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 3274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 347 IncrementalHoareTripleChecker+Valid, 2927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:08,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1527 Valid, 1720 Invalid, 3274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [347 Valid, 2927 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-16 07:34:08,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-16 07:34:08,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 576. [2024-11-16 07:34:08,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 459 states have (on average 1.6470588235294117) internal successors, (756), 478 states have internal predecessors, (756), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-16 07:34:08,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 937 transitions. [2024-11-16 07:34:08,315 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 937 transitions. Word has length 112 [2024-11-16 07:34:08,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:08,315 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 937 transitions. [2024-11-16 07:34:08,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:08,316 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 937 transitions. [2024-11-16 07:34:08,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-16 07:34:08,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:08,321 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:34:08,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 07:34:08,322 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:08,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:08,323 INFO L85 PathProgramCache]: Analyzing trace with hash -369254335, now seen corresponding path program 1 times [2024-11-16 07:34:08,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:08,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560316065] [2024-11-16 07:34:08,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:08,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:08,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:08,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:08,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 07:34:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:08,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-16 07:34:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:08,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:08,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:08,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:08,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:34:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:08,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:34:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:08,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:08,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:09,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:34:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:09,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:34:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:34:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:34:09,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:09,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560316065] [2024-11-16 07:34:09,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560316065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:09,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:09,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:34:09,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950264027] [2024-11-16 07:34:09,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:09,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:34:09,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:09,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:34:09,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:34:09,015 INFO L87 Difference]: Start difference. First operand 576 states and 937 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:13,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:13,000 INFO L93 Difference]: Finished difference Result 1386 states and 2287 transitions. [2024-11-16 07:34:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 07:34:13,001 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 113 [2024-11-16 07:34:13,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:13,006 INFO L225 Difference]: With dead ends: 1386 [2024-11-16 07:34:13,007 INFO L226 Difference]: Without dead ends: 828 [2024-11-16 07:34:13,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:34:13,010 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 1460 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 2821 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 3164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 2821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:13,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1533 Valid, 1723 Invalid, 3164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 2821 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-16 07:34:13,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-16 07:34:13,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 576. [2024-11-16 07:34:13,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 459 states have (on average 1.644880174291939) internal successors, (755), 478 states have internal predecessors, (755), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-16 07:34:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 936 transitions. [2024-11-16 07:34:13,149 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 936 transitions. Word has length 113 [2024-11-16 07:34:13,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:13,149 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 936 transitions. [2024-11-16 07:34:13,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:13,149 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 936 transitions. [2024-11-16 07:34:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-16 07:34:13,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:13,152 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:34:13,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 07:34:13,153 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:13,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:13,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1738831849, now seen corresponding path program 1 times [2024-11-16 07:34:13,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:13,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114872459] [2024-11-16 07:34:13,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:13,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:34:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:34:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:34:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:34:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:34:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:34:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:34:13,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:13,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114872459] [2024-11-16 07:34:13,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114872459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:13,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:13,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:34:13,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790625754] [2024-11-16 07:34:13,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:13,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:34:13,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:13,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:34:13,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:34:13,786 INFO L87 Difference]: Start difference. First operand 576 states and 936 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:18,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:18,379 INFO L93 Difference]: Finished difference Result 1358 states and 2228 transitions. [2024-11-16 07:34:18,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:34:18,380 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 114 [2024-11-16 07:34:18,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:18,385 INFO L225 Difference]: With dead ends: 1358 [2024-11-16 07:34:18,386 INFO L226 Difference]: Without dead ends: 840 [2024-11-16 07:34:18,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:34:18,389 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 1525 mSDsluCounter, 2135 mSDsCounter, 0 mSdLazyCounter, 4543 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1598 SdHoareTripleChecker+Valid, 2583 SdHoareTripleChecker+Invalid, 4894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 4543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:18,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1598 Valid, 2583 Invalid, 4894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 4543 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-16 07:34:18,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-16 07:34:18,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 576. [2024-11-16 07:34:18,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 459 states have (on average 1.6339869281045751) internal successors, (750), 478 states have internal predecessors, (750), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-16 07:34:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 931 transitions. [2024-11-16 07:34:18,489 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 931 transitions. Word has length 114 [2024-11-16 07:34:18,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:18,489 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 931 transitions. [2024-11-16 07:34:18,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:18,489 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 931 transitions. [2024-11-16 07:34:18,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-16 07:34:18,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:18,493 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:34:18,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 07:34:18,494 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:18,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:18,494 INFO L85 PathProgramCache]: Analyzing trace with hash -367051572, now seen corresponding path program 1 times [2024-11-16 07:34:18,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:18,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558439707] [2024-11-16 07:34:18,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:18,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:18,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:18,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:18,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 07:34:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:34:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:34:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:34:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:34:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:34:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:34:19,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:19,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558439707] [2024-11-16 07:34:19,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558439707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:19,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:19,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 07:34:19,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750007295] [2024-11-16 07:34:19,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:19,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 07:34:19,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:19,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 07:34:19,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-16 07:34:19,209 INFO L87 Difference]: Start difference. First operand 576 states and 931 transitions. Second operand has 14 states, 13 states have (on average 6.0) internal successors, (78), 10 states have internal predecessors, (78), 3 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-16 07:34:26,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:26,224 INFO L93 Difference]: Finished difference Result 1381 states and 2262 transitions. [2024-11-16 07:34:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-16 07:34:26,225 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 10 states have internal predecessors, (78), 3 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 115 [2024-11-16 07:34:26,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:26,232 INFO L225 Difference]: With dead ends: 1381 [2024-11-16 07:34:26,232 INFO L226 Difference]: Without dead ends: 872 [2024-11-16 07:34:26,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=168, Invalid=702, Unknown=0, NotChecked=0, Total=870 [2024-11-16 07:34:26,235 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 1643 mSDsluCounter, 3923 mSDsCounter, 0 mSdLazyCounter, 7785 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 4382 SdHoareTripleChecker+Invalid, 8136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 7785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:26,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1717 Valid, 4382 Invalid, 8136 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [351 Valid, 7785 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-16 07:34:26,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2024-11-16 07:34:26,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 589. [2024-11-16 07:34:26,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 469 states have (on average 1.6311300639658848) internal successors, (765), 490 states have internal predecessors, (765), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-16 07:34:26,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 950 transitions. [2024-11-16 07:34:26,362 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 950 transitions. Word has length 115 [2024-11-16 07:34:26,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:26,363 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 950 transitions. [2024-11-16 07:34:26,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 10 states have internal predecessors, (78), 3 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-16 07:34:26,363 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 950 transitions. [2024-11-16 07:34:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-16 07:34:26,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:26,368 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:34:26,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 07:34:26,368 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:26,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:26,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1320253205, now seen corresponding path program 1 times [2024-11-16 07:34:26,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:26,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247169562] [2024-11-16 07:34:26,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:26,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 07:34:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:34:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:34:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:34:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:34:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:34:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:34:26,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:26,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247169562] [2024-11-16 07:34:26,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247169562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:26,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:26,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:34:26,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764556009] [2024-11-16 07:34:26,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:26,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:34:26,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:26,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:34:26,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:34:26,956 INFO L87 Difference]: Start difference. First operand 589 states and 950 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:30,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:30,820 INFO L93 Difference]: Finished difference Result 1389 states and 2272 transitions. [2024-11-16 07:34:30,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:34:30,820 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 115 [2024-11-16 07:34:30,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:30,825 INFO L225 Difference]: With dead ends: 1389 [2024-11-16 07:34:30,825 INFO L226 Difference]: Without dead ends: 862 [2024-11-16 07:34:30,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-16 07:34:30,828 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 1517 mSDsluCounter, 1275 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 3231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 2887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:30,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 1732 Invalid, 3231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 2887 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-16 07:34:30,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2024-11-16 07:34:30,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 589. [2024-11-16 07:34:30,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 469 states have (on average 1.6204690831556503) internal successors, (760), 490 states have internal predecessors, (760), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-16 07:34:30,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 945 transitions. [2024-11-16 07:34:30,944 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 945 transitions. Word has length 115 [2024-11-16 07:34:30,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:30,944 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 945 transitions. [2024-11-16 07:34:30,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:30,945 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 945 transitions. [2024-11-16 07:34:30,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-16 07:34:30,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:30,949 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:34:30,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 07:34:30,949 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:30,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:30,949 INFO L85 PathProgramCache]: Analyzing trace with hash -2125261401, now seen corresponding path program 1 times [2024-11-16 07:34:30,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:30,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566087416] [2024-11-16 07:34:30,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:30,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 07:34:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:34:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:34:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:34:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:34:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:34:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:31,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:34:31,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:31,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566087416] [2024-11-16 07:34:31,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566087416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:31,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:31,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:34:31,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946698463] [2024-11-16 07:34:31,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:31,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:34:31,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:31,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:34:31,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:34:31,522 INFO L87 Difference]: Start difference. First operand 589 states and 945 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:35,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:35,205 INFO L93 Difference]: Finished difference Result 1389 states and 2267 transitions. [2024-11-16 07:34:35,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:34:35,205 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2024-11-16 07:34:35,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:35,211 INFO L225 Difference]: With dead ends: 1389 [2024-11-16 07:34:35,211 INFO L226 Difference]: Without dead ends: 862 [2024-11-16 07:34:35,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-16 07:34:35,214 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 1508 mSDsluCounter, 1281 mSDsCounter, 0 mSdLazyCounter, 2861 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 3202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 2861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:35,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 1743 Invalid, 3202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 2861 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-16 07:34:35,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2024-11-16 07:34:35,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 589. [2024-11-16 07:34:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 469 states have (on average 1.6098081023454158) internal successors, (755), 490 states have internal predecessors, (755), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-16 07:34:35,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 940 transitions. [2024-11-16 07:34:35,331 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 940 transitions. Word has length 116 [2024-11-16 07:34:35,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:35,332 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 940 transitions. [2024-11-16 07:34:35,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:35,332 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 940 transitions. [2024-11-16 07:34:35,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-16 07:34:35,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:35,335 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:34:35,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 07:34:35,335 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:35,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:35,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1568401928, now seen corresponding path program 1 times [2024-11-16 07:34:35,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:35,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098949959] [2024-11-16 07:34:35,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:35,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 07:34:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:34:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:34:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:34:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:34:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:34:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:34:35,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:35,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098949959] [2024-11-16 07:34:35,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098949959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:35,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:35,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:34:35,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803505066] [2024-11-16 07:34:35,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:35,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:34:35,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:35,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:34:35,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:34:35,864 INFO L87 Difference]: Start difference. First operand 589 states and 940 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:39,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:39,704 INFO L93 Difference]: Finished difference Result 1389 states and 2262 transitions. [2024-11-16 07:34:39,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:34:39,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2024-11-16 07:34:39,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:39,709 INFO L225 Difference]: With dead ends: 1389 [2024-11-16 07:34:39,709 INFO L226 Difference]: Without dead ends: 862 [2024-11-16 07:34:39,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-16 07:34:39,712 INFO L432 NwaCegarLoop]: 461 mSDtfsCounter, 1054 mSDsluCounter, 1339 mSDsCounter, 0 mSdLazyCounter, 2898 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1127 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 3101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 2898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:39,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1127 Valid, 1800 Invalid, 3101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 2898 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-16 07:34:39,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2024-11-16 07:34:39,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 589. [2024-11-16 07:34:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 469 states have (on average 1.5991471215351811) internal successors, (750), 490 states have internal predecessors, (750), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-16 07:34:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 935 transitions. [2024-11-16 07:34:39,844 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 935 transitions. Word has length 117 [2024-11-16 07:34:39,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:39,845 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 935 transitions. [2024-11-16 07:34:39,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 935 transitions. [2024-11-16 07:34:39,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-16 07:34:39,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:39,848 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:34:39,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 07:34:39,848 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:39,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:39,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1249139452, now seen corresponding path program 1 times [2024-11-16 07:34:39,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:39,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689435797] [2024-11-16 07:34:39,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:39,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 07:34:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:34:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:34:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:34:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:34:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:34:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:34:40,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:40,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689435797] [2024-11-16 07:34:40,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689435797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:40,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:40,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 07:34:40,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053210836] [2024-11-16 07:34:40,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:40,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 07:34:40,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:40,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 07:34:40,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:34:40,387 INFO L87 Difference]: Start difference. First operand 589 states and 935 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-16 07:34:45,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:45,420 INFO L93 Difference]: Finished difference Result 1373 states and 2228 transitions. [2024-11-16 07:34:45,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:34:45,420 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2024-11-16 07:34:45,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:45,425 INFO L225 Difference]: With dead ends: 1373 [2024-11-16 07:34:45,425 INFO L226 Difference]: Without dead ends: 858 [2024-11-16 07:34:45,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-16 07:34:45,428 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 1491 mSDsluCounter, 2599 mSDsCounter, 0 mSdLazyCounter, 5033 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 3055 SdHoareTripleChecker+Invalid, 5384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 5033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:45,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1564 Valid, 3055 Invalid, 5384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 5033 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-16 07:34:45,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2024-11-16 07:34:45,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 591. [2024-11-16 07:34:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 471 states have (on average 1.59447983014862) internal successors, (751), 492 states have internal predecessors, (751), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-16 07:34:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 936 transitions. [2024-11-16 07:34:45,565 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 936 transitions. Word has length 117 [2024-11-16 07:34:45,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:45,565 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 936 transitions. [2024-11-16 07:34:45,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-16 07:34:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 936 transitions. [2024-11-16 07:34:45,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-16 07:34:45,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:45,569 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:34:45,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 07:34:45,569 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:45,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:45,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1308005532, now seen corresponding path program 1 times [2024-11-16 07:34:45,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:45,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112757872] [2024-11-16 07:34:45,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:45,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:45,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:45,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:45,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:46,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:34:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:46,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:46,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:46,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:46,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:34:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:46,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:34:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:46,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:46,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:34:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:34:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:46,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:34:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:34:46,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:46,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112757872] [2024-11-16 07:34:46,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112757872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:46,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:46,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:34:46,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880775964] [2024-11-16 07:34:46,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:46,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:34:46,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:46,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:34:46,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:34:46,124 INFO L87 Difference]: Start difference. First operand 591 states and 936 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:49,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:49,818 INFO L93 Difference]: Finished difference Result 1395 states and 2259 transitions. [2024-11-16 07:34:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:34:49,819 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2024-11-16 07:34:49,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:49,824 INFO L225 Difference]: With dead ends: 1395 [2024-11-16 07:34:49,824 INFO L226 Difference]: Without dead ends: 866 [2024-11-16 07:34:49,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-16 07:34:49,826 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 1046 mSDsluCounter, 1331 mSDsCounter, 0 mSdLazyCounter, 2855 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 3062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 2855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:49,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 1786 Invalid, 3062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 2855 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-16 07:34:49,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2024-11-16 07:34:49,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 591. [2024-11-16 07:34:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 471 states have (on average 1.5838641188959661) internal successors, (746), 492 states have internal predecessors, (746), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-16 07:34:49,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 931 transitions. [2024-11-16 07:34:49,942 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 931 transitions. Word has length 118 [2024-11-16 07:34:49,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:49,942 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 931 transitions. [2024-11-16 07:34:49,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:34:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 931 transitions. [2024-11-16 07:34:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-16 07:34:49,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:49,946 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:34:49,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 07:34:49,946 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:49,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:49,946 INFO L85 PathProgramCache]: Analyzing trace with hash -558141850, now seen corresponding path program 1 times [2024-11-16 07:34:49,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:49,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721212967] [2024-11-16 07:34:49,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:49,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:34:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:34:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:34:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:34:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:34:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:34:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:34:50,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:50,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721212967] [2024-11-16 07:34:50,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721212967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:50,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:50,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 07:34:50,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205117493] [2024-11-16 07:34:50,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:50,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 07:34:50,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:50,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 07:34:50,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:34:50,515 INFO L87 Difference]: Start difference. First operand 591 states and 931 transitions. Second operand has 10 states, 9 states have (on average 9.0) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-16 07:34:56,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:56,074 INFO L93 Difference]: Finished difference Result 1370 states and 2215 transitions. [2024-11-16 07:34:56,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:34:56,075 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 118 [2024-11-16 07:34:56,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:56,078 INFO L225 Difference]: With dead ends: 1370 [2024-11-16 07:34:56,078 INFO L226 Difference]: Without dead ends: 858 [2024-11-16 07:34:56,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-16 07:34:56,080 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 1012 mSDsluCounter, 2651 mSDsCounter, 0 mSdLazyCounter, 5129 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 5338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 5129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:56,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1085 Valid, 3101 Invalid, 5338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 5129 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-16 07:34:56,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2024-11-16 07:34:56,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 591. [2024-11-16 07:34:56,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 471 states have (on average 1.5817409766454353) internal successors, (745), 492 states have internal predecessors, (745), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-16 07:34:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 930 transitions. [2024-11-16 07:34:56,207 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 930 transitions. Word has length 118 [2024-11-16 07:34:56,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:56,208 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 930 transitions. [2024-11-16 07:34:56,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-16 07:34:56,209 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 930 transitions. [2024-11-16 07:34:56,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-16 07:34:56,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:56,211 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:34:56,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 07:34:56,212 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:56,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:56,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1698177243, now seen corresponding path program 1 times [2024-11-16 07:34:56,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:56,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740377330] [2024-11-16 07:34:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:56,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:34:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:34:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:34:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:34:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:34:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:34:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:34:56,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:56,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740377330] [2024-11-16 07:34:56,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740377330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:56,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:56,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:34:56,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599805947] [2024-11-16 07:34:56,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:56,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:34:56,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:56,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:34:56,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:34:56,735 INFO L87 Difference]: Start difference. First operand 591 states and 930 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:35:00,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:35:00,475 INFO L93 Difference]: Finished difference Result 1419 states and 2276 transitions. [2024-11-16 07:35:00,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 07:35:00,476 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2024-11-16 07:35:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:35:00,480 INFO L225 Difference]: With dead ends: 1419 [2024-11-16 07:35:00,480 INFO L226 Difference]: Without dead ends: 801 [2024-11-16 07:35:00,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:35:00,481 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 1907 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 2632 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 2632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:35:00,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1980 Valid, 1653 Invalid, 3127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 2632 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-16 07:35:00,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2024-11-16 07:35:00,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 549. [2024-11-16 07:35:00,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 432 states have (on average 1.6018518518518519) internal successors, (692), 451 states have internal predecessors, (692), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-16 07:35:00,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 873 transitions. [2024-11-16 07:35:00,595 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 873 transitions. Word has length 119 [2024-11-16 07:35:00,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:35:00,595 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 873 transitions. [2024-11-16 07:35:00,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 07:35:00,596 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 873 transitions. [2024-11-16 07:35:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-16 07:35:00,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:35:00,597 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-16 07:35:00,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 07:35:00,598 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:35:00,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:35:00,598 INFO L85 PathProgramCache]: Analyzing trace with hash 459295934, now seen corresponding path program 1 times [2024-11-16 07:35:00,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:35:00,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238624584] [2024-11-16 07:35:00,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:35:00,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:35:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:00,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:35:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:00,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:00,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:35:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:01,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 07:35:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:01,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:01,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:01,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:01,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:35:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:01,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:35:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:01,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:01,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:01,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 07:35:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:01,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 07:35:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:01,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 07:35:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:01,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 07:35:01,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:35:01,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238624584] [2024-11-16 07:35:01,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238624584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:35:01,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:35:01,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 07:35:01,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956962654] [2024-11-16 07:35:01,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:35:01,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 07:35:01,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:35:01,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 07:35:01,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:35:01,354 INFO L87 Difference]: Start difference. First operand 549 states and 873 transitions. Second operand has 15 states, 15 states have (on average 5.6) internal successors, (84), 9 states have internal predecessors, (84), 4 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13)