/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/elevator_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:01:29,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:01:29,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:01:29,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:01:29,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:01:29,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:01:29,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:01:29,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:01:29,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:01:29,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:01:29,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:01:29,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:01:29,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:01:29,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:01:29,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:01:29,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:01:29,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:01:29,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:01:29,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:01:29,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:01:29,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:01:29,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:01:29,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:01:29,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:01:29,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:01:29,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:01:29,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:01:29,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:01:29,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:01:29,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:01:29,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:01:29,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:01:29,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:01:29,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:01:29,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:01:29,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:01:29,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:01:29,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:01:29,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:01:29,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:01:29,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:01:29,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 03:01:29,898 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:01:29,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:01:29,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:01:29,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:01:29,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:01:29,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:01:29,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:01:29,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:01:29,901 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:01:29,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:01:29,902 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:01:29,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:01:29,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:01:29,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:01:29,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:01:29,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:01:29,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:01:29,902 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:01:29,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:01:29,903 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:01:29,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:01:29,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:01:29,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:01:29,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:01:29,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:01:29,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:01:29,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:01:29,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:01:29,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:01:29,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:01:29,904 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:01:29,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:01:29,904 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:01:29,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:01:29,905 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:01:29,905 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:01:30,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:01:30,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:01:30,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:01:30,172 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:01:30,172 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:01:30,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product25.cil.c [2023-04-02 03:01:31,289 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:01:31,657 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:01:31,657 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product25.cil.c [2023-04-02 03:01:31,684 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c911f995/800330f4252d4264a813b6896d8c7725/FLAGfce7cd121 [2023-04-02 03:01:31,697 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c911f995/800330f4252d4264a813b6896d8c7725 [2023-04-02 03:01:31,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:01:31,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:01:31,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:01:31,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:01:31,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:01:31,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:01:31" (1/1) ... [2023-04-02 03:01:31,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b14c510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:01:31, skipping insertion in model container [2023-04-02 03:01:31,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:01:31" (1/1) ... [2023-04-02 03:01:31,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:01:31,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:01:32,257 WARN L247 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_spec2_product25.cil.c[66231,66244] [2023-04-02 03:01:32,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:01:32,300 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:01:32,444 WARN L247 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_spec2_product25.cil.c[66231,66244] [2023-04-02 03:01:32,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:01:32,472 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:01:32,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:01:32 WrapperNode [2023-04-02 03:01:32,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:01:32,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:01:32,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:01:32,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:01:32,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:01:32" (1/1) ... [2023-04-02 03:01:32,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:01:32" (1/1) ... [2023-04-02 03:01:32,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:01:32" (1/1) ... [2023-04-02 03:01:32,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:01:32" (1/1) ... [2023-04-02 03:01:32,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:01:32" (1/1) ... [2023-04-02 03:01:32,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:01:32" (1/1) ... [2023-04-02 03:01:32,628 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:01:32" (1/1) ... [2023-04-02 03:01:32,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:01:32" (1/1) ... [2023-04-02 03:01:32,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:01:32,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:01:32,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:01:32,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:01:32,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:01:32" (1/1) ... [2023-04-02 03:01:32,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:01:32,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:01:32,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 03:01:32,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 03:01:32,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:01:32,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:01:32,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:01:32,730 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:01:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:01:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:01:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:01:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:01:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:01:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-02 03:01:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-02 03:01:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2023-04-02 03:01:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2023-04-02 03:01:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2023-04-02 03:01:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2023-04-02 03:01:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2023-04-02 03:01:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2023-04-02 03:01:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2023-04-02 03:01:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2023-04-02 03:01:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2023-04-02 03:01:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2023-04-02 03:01:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2023-04-02 03:01:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2023-04-02 03:01:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2023-04-02 03:01:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2023-04-02 03:01:32,733 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2023-04-02 03:01:32,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2023-04-02 03:01:32,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2023-04-02 03:01:32,733 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2023-04-02 03:01:32,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2023-04-02 03:01:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2023-04-02 03:01:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2023-04-02 03:01:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2023-04-02 03:01:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2023-04-02 03:01:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2023-04-02 03:01:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2023-04-02 03:01:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 03:01:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2023-04-02 03:01:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2023-04-02 03:01:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2023-04-02 03:01:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2023-04-02 03:01:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2023-04-02 03:01:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2023-04-02 03:01:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2023-04-02 03:01:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2023-04-02 03:01:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2023-04-02 03:01:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2023-04-02 03:01:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2023-04-02 03:01:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2023-04-02 03:01:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2023-04-02 03:01:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2023-04-02 03:01:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2023-04-02 03:01:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:01:32,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:01:32,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:01:32,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:01:32,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:01:32,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:01:32,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:01:32,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2023-04-02 03:01:32,738 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2023-04-02 03:01:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2023-04-02 03:01:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2023-04-02 03:01:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2023-04-02 03:01:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2023-04-02 03:01:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2023-04-02 03:01:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2023-04-02 03:01:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 03:01:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2023-04-02 03:01:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2023-04-02 03:01:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2023-04-02 03:01:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 03:01:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2023-04-02 03:01:32,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:01:32,740 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 03:01:32,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:01:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:01:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:01:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:01:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:01:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:01:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:01:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:01:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:01:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:01:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2023-04-02 03:01:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 03:01:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:01:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:01:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2023-04-02 03:01:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2023-04-02 03:01:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-02 03:01:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-02 03:01:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2023-04-02 03:01:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2023-04-02 03:01:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:01:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2023-04-02 03:01:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2023-04-02 03:01:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2023-04-02 03:01:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2023-04-02 03:01:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2023-04-02 03:01:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2023-04-02 03:01:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2023-04-02 03:01:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2023-04-02 03:01:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2023-04-02 03:01:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 03:01:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2023-04-02 03:01:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2023-04-02 03:01:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2023-04-02 03:01:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2023-04-02 03:01:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2023-04-02 03:01:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2023-04-02 03:01:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2023-04-02 03:01:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2023-04-02 03:01:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2023-04-02 03:01:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2023-04-02 03:01:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2023-04-02 03:01:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2023-04-02 03:01:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2023-04-02 03:01:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2023-04-02 03:01:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2023-04-02 03:01:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2023-04-02 03:01:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2023-04-02 03:01:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2023-04-02 03:01:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2023-04-02 03:01:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2023-04-02 03:01:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2023-04-02 03:01:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2023-04-02 03:01:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2023-04-02 03:01:32,751 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2023-04-02 03:01:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2023-04-02 03:01:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2023-04-02 03:01:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2023-04-02 03:01:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:01:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:01:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:01:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:01:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:01:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:01:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:01:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:01:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:01:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:01:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:01:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:01:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:01:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:01:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:01:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 03:01:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2023-04-02 03:01:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2023-04-02 03:01:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2023-04-02 03:01:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2023-04-02 03:01:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2023-04-02 03:01:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2023-04-02 03:01:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2023-04-02 03:01:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2023-04-02 03:01:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2023-04-02 03:01:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2023-04-02 03:01:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 03:01:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2023-04-02 03:01:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:01:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 03:01:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:01:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:01:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:01:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:01:33,018 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:01:33,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:01:34,263 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:01:34,273 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:01:34,273 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-04-02 03:01:34,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:01:34 BoogieIcfgContainer [2023-04-02 03:01:34,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:01:34,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:01:34,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:01:34,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:01:34,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:01:31" (1/3) ... [2023-04-02 03:01:34,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ac90f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:01:34, skipping insertion in model container [2023-04-02 03:01:34,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:01:32" (2/3) ... [2023-04-02 03:01:34,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ac90f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:01:34, skipping insertion in model container [2023-04-02 03:01:34,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:01:34" (3/3) ... [2023-04-02 03:01:34,282 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product25.cil.c [2023-04-02 03:01:34,296 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:01:34,296 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:01:34,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:01:34,363 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6d162359, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:01:34,363 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:01:34,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 758 states, 529 states have (on average 1.6446124763705103) internal successors, (870), 556 states have internal predecessors, (870), 167 states have call successors, (167), 49 states have call predecessors, (167), 49 states have return successors, (167), 158 states have call predecessors, (167), 167 states have call successors, (167) [2023-04-02 03:01:34,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-04-02 03:01:34,403 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:01:34,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:01:34,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:01:34,409 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:01:34,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1096788264, now seen corresponding path program 1 times [2023-04-02 03:01:34,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:01:34,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136405606] [2023-04-02 03:01:34,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:01:34,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:01:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:01:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:01:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:01:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:01:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 03:01:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 03:01:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 03:01:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:01:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 03:01:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:35,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:01:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:36,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:36,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 03:01:36,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:01:36,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136405606] [2023-04-02 03:01:36,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136405606] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:01:36,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:01:36,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:01:36,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531557131] [2023-04-02 03:01:36,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:01:36,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:01:36,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:01:36,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:01:36,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:01:36,057 INFO L87 Difference]: Start difference. First operand has 758 states, 529 states have (on average 1.6446124763705103) internal successors, (870), 556 states have internal predecessors, (870), 167 states have call successors, (167), 49 states have call predecessors, (167), 49 states have return successors, (167), 158 states have call predecessors, (167), 167 states have call successors, (167) Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (23), 8 states have call predecessors, (23), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-02 03:01:45,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:01:45,304 INFO L93 Difference]: Finished difference Result 1735 states and 3070 transitions. [2023-04-02 03:01:45,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 03:01:45,306 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (23), 8 states have call predecessors, (23), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 107 [2023-04-02 03:01:45,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:01:45,335 INFO L225 Difference]: With dead ends: 1735 [2023-04-02 03:01:45,336 INFO L226 Difference]: Without dead ends: 1126 [2023-04-02 03:01:45,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:01:45,355 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 2537 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 4376 mSolverCounterSat, 1067 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 5443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1067 IncrementalHoareTripleChecker+Valid, 4376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:01:45,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 734 Invalid, 5443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1067 Valid, 4376 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-04-02 03:01:45,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2023-04-02 03:01:45,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 598. [2023-04-02 03:01:45,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 444 states have (on average 1.6756756756756757) internal successors, (744), 463 states have internal predecessors, (744), 112 states have call successors, (112), 45 states have call predecessors, (112), 41 states have return successors, (104), 101 states have call predecessors, (104), 104 states have call successors, (104) [2023-04-02 03:01:45,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 960 transitions. [2023-04-02 03:01:45,695 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 960 transitions. Word has length 107 [2023-04-02 03:01:45,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:01:45,696 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 960 transitions. [2023-04-02 03:01:45,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (23), 8 states have call predecessors, (23), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-02 03:01:45,696 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 960 transitions. [2023-04-02 03:01:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-04-02 03:01:45,703 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:01:45,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:01:45,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:01:45,704 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:01:45,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:01:45,705 INFO L85 PathProgramCache]: Analyzing trace with hash 61369592, now seen corresponding path program 1 times [2023-04-02 03:01:45,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:01:45,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129020584] [2023-04-02 03:01:45,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:01:45,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:01:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:01:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:01:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:01:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:01:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:01:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 03:01:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:01:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:01:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 03:01:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:01:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 03:01:46,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:01:46,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129020584] [2023-04-02 03:01:46,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129020584] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:01:46,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:01:46,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:01:46,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339269125] [2023-04-02 03:01:46,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:01:46,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:01:46,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:01:46,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:01:46,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:01:46,651 INFO L87 Difference]: Start difference. First operand 598 states and 960 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (23), 8 states have call predecessors, (23), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-02 03:01:57,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:01:57,291 INFO L93 Difference]: Finished difference Result 1746 states and 3172 transitions. [2023-04-02 03:01:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 03:01:57,294 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (23), 8 states have call predecessors, (23), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 110 [2023-04-02 03:01:57,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:01:57,304 INFO L225 Difference]: With dead ends: 1746 [2023-04-02 03:01:57,304 INFO L226 Difference]: Without dead ends: 1185 [2023-04-02 03:01:57,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2023-04-02 03:01:57,308 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 3876 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 7925 mSolverCounterSat, 1567 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3967 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 9492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1567 IncrementalHoareTripleChecker+Valid, 7925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:01:57,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3967 Valid, 1076 Invalid, 9492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1567 Valid, 7925 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-04-02 03:01:57,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2023-04-02 03:01:57,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 602. [2023-04-02 03:01:57,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 447 states have (on average 1.6689038031319912) internal successors, (746), 466 states have internal predecessors, (746), 112 states have call successors, (112), 45 states have call predecessors, (112), 42 states have return successors, (105), 102 states have call predecessors, (105), 104 states have call successors, (105) [2023-04-02 03:01:57,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 963 transitions. [2023-04-02 03:01:57,594 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 963 transitions. Word has length 110 [2023-04-02 03:01:57,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:01:57,601 INFO L495 AbstractCegarLoop]: Abstraction has 602 states and 963 transitions. [2023-04-02 03:01:57,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (23), 8 states have call predecessors, (23), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-02 03:01:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 963 transitions. [2023-04-02 03:01:57,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-04-02 03:01:57,612 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:01:57,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:01:57,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 03:01:57,612 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:01:57,613 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:01:57,613 INFO L85 PathProgramCache]: Analyzing trace with hash 2092654414, now seen corresponding path program 1 times [2023-04-02 03:01:57,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:01:57,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316985673] [2023-04-02 03:01:57,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:01:57,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:01:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:57,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:57,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:01:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:57,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:01:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:01:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:01:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 03:01:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 03:01:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:01:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:01:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:01:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 03:01:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:58,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 03:01:58,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:01:58,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316985673] [2023-04-02 03:01:58,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316985673] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:01:58,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:01:58,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:01:58,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61815527] [2023-04-02 03:01:58,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:01:58,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:01:58,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:01:58,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:01:58,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:01:58,619 INFO L87 Difference]: Start difference. First operand 602 states and 963 transitions. Second operand has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (24), 8 states have call predecessors, (24), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 03:02:08,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:02:08,982 INFO L93 Difference]: Finished difference Result 1706 states and 3034 transitions. [2023-04-02 03:02:08,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 03:02:08,983 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (24), 8 states have call predecessors, (24), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 118 [2023-04-02 03:02:08,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:02:08,991 INFO L225 Difference]: With dead ends: 1706 [2023-04-02 03:02:08,991 INFO L226 Difference]: Without dead ends: 1141 [2023-04-02 03:02:08,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=221, Invalid=591, Unknown=0, NotChecked=0, Total=812 [2023-04-02 03:02:08,995 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 1962 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 8103 mSolverCounterSat, 865 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 8968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 865 IncrementalHoareTripleChecker+Valid, 8103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:02:08,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2052 Valid, 1239 Invalid, 8968 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [865 Valid, 8103 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-04-02 03:02:08,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-04-02 03:02:09,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 606. [2023-04-02 03:02:09,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 450 states have (on average 1.6622222222222223) internal successors, (748), 469 states have internal predecessors, (748), 112 states have call successors, (112), 45 states have call predecessors, (112), 43 states have return successors, (107), 103 states have call predecessors, (107), 104 states have call successors, (107) [2023-04-02 03:02:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 967 transitions. [2023-04-02 03:02:09,184 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 967 transitions. Word has length 118 [2023-04-02 03:02:09,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:02:09,184 INFO L495 AbstractCegarLoop]: Abstraction has 606 states and 967 transitions. [2023-04-02 03:02:09,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (24), 8 states have call predecessors, (24), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 03:02:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 967 transitions. [2023-04-02 03:02:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-04-02 03:02:09,188 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:02:09,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:02:09,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 03:02:09,188 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:02:09,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:02:09,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1243443319, now seen corresponding path program 1 times [2023-04-02 03:02:09,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:02:09,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363309195] [2023-04-02 03:02:09,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:02:09,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:02:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:02:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:02:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:02:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:02:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:02:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:02:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:02:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:02:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:02:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 03:02:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 03:02:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:02:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:10,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:02:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:10,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 03:02:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:10,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:02:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 03:02:10,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:02:10,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363309195] [2023-04-02 03:02:10,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363309195] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:02:10,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:02:10,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:02:10,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346486709] [2023-04-02 03:02:10,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:02:10,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:02:10,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:02:10,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:02:10,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:02:10,056 INFO L87 Difference]: Start difference. First operand 606 states and 967 transitions. Second operand has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (24), 8 states have call predecessors, (24), 5 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-02 03:02:28,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:02:28,957 INFO L93 Difference]: Finished difference Result 3482 states and 6548 transitions. [2023-04-02 03:02:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-04-02 03:02:28,957 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (24), 8 states have call predecessors, (24), 5 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 123 [2023-04-02 03:02:28,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:02:28,985 INFO L225 Difference]: With dead ends: 3482 [2023-04-02 03:02:28,985 INFO L226 Difference]: Without dead ends: 2913 [2023-04-02 03:02:28,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=797, Invalid=2283, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 03:02:28,994 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 6146 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 9876 mSolverCounterSat, 3087 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6235 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 12963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3087 IncrementalHoareTripleChecker+Valid, 9876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:02:28,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6235 Valid, 1456 Invalid, 12963 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3087 Valid, 9876 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2023-04-02 03:02:28,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2913 states. [2023-04-02 03:02:29,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2913 to 1523. [2023-04-02 03:02:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1130 states have (on average 1.6238938053097345) internal successors, (1835), 1177 states have internal predecessors, (1835), 283 states have call successors, (283), 106 states have call predecessors, (283), 109 states have return successors, (321), 275 states have call predecessors, (321), 275 states have call successors, (321) [2023-04-02 03:02:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2439 transitions. [2023-04-02 03:02:29,497 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2439 transitions. Word has length 123 [2023-04-02 03:02:29,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:02:29,498 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 2439 transitions. [2023-04-02 03:02:29,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (24), 8 states have call predecessors, (24), 5 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-02 03:02:29,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2439 transitions. [2023-04-02 03:02:29,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-02 03:02:29,503 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:02:29,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:02:29,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 03:02:29,504 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:02:29,504 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:02:29,504 INFO L85 PathProgramCache]: Analyzing trace with hash 685124854, now seen corresponding path program 1 times [2023-04-02 03:02:29,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:02:29,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699319698] [2023-04-02 03:02:29,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:02:29,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:02:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:29,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:02:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:02:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:02:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:29,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:02:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:29,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:02:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:29,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:02:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:02:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:02:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:02:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 03:02:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:02:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:02:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:02:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:02:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 03:02:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:02:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:30,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 03:02:30,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:02:30,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699319698] [2023-04-02 03:02:30,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699319698] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:02:30,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:02:30,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:02:30,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281138435] [2023-04-02 03:02:30,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:02:30,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:02:30,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:02:30,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:02:30,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:02:30,386 INFO L87 Difference]: Start difference. First operand 1523 states and 2439 transitions. Second operand has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2023-04-02 03:02:41,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:02:41,157 INFO L93 Difference]: Finished difference Result 4459 states and 8081 transitions. [2023-04-02 03:02:41,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:02:41,158 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 132 [2023-04-02 03:02:41,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:02:41,178 INFO L225 Difference]: With dead ends: 4459 [2023-04-02 03:02:41,179 INFO L226 Difference]: Without dead ends: 2832 [2023-04-02 03:02:41,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=167, Invalid=433, Unknown=0, NotChecked=0, Total=600 [2023-04-02 03:02:41,189 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 2085 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 8272 mSolverCounterSat, 653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 8925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 653 IncrementalHoareTripleChecker+Valid, 8272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:02:41,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 1036 Invalid, 8925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [653 Valid, 8272 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2023-04-02 03:02:41,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2023-04-02 03:02:41,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 1523. [2023-04-02 03:02:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1130 states have (on average 1.6079646017699114) internal successors, (1817), 1177 states have internal predecessors, (1817), 283 states have call successors, (283), 106 states have call predecessors, (283), 109 states have return successors, (321), 275 states have call predecessors, (321), 275 states have call successors, (321) [2023-04-02 03:02:41,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2421 transitions. [2023-04-02 03:02:41,750 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2421 transitions. Word has length 132 [2023-04-02 03:02:41,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:02:41,750 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 2421 transitions. [2023-04-02 03:02:41,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2023-04-02 03:02:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2421 transitions. [2023-04-02 03:02:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-02 03:02:41,754 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:02:41,754 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:02:41,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 03:02:41,755 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:02:41,755 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:02:41,755 INFO L85 PathProgramCache]: Analyzing trace with hash -326892492, now seen corresponding path program 1 times [2023-04-02 03:02:41,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:02:41,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309722326] [2023-04-02 03:02:41,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:02:41,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:02:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:02:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:02:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:02:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:02:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:02:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:02:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:02:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:02:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:02:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 03:02:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:02:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:02:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:02:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:02:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 03:02:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 03:02:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:02:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 03:02:42,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:02:42,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309722326] [2023-04-02 03:02:42,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309722326] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:02:42,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:02:42,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:02:42,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193567164] [2023-04-02 03:02:42,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:02:42,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:02:42,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:02:42,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:02:42,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:02:42,689 INFO L87 Difference]: Start difference. First operand 1523 states and 2421 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-02 03:02:52,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:02:52,083 INFO L93 Difference]: Finished difference Result 4272 states and 7635 transitions. [2023-04-02 03:02:52,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-02 03:02:52,085 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 135 [2023-04-02 03:02:52,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:02:52,106 INFO L225 Difference]: With dead ends: 4272 [2023-04-02 03:02:52,106 INFO L226 Difference]: Without dead ends: 2832 [2023-04-02 03:02:52,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=196, Invalid=560, Unknown=0, NotChecked=0, Total=756 [2023-04-02 03:02:52,115 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 2531 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 7648 mSolverCounterSat, 1001 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 8649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1001 IncrementalHoareTripleChecker+Valid, 7648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:02:52,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 1019 Invalid, 8649 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1001 Valid, 7648 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-04-02 03:02:52,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2023-04-02 03:02:52,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 1523. [2023-04-02 03:02:52,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1130 states have (on average 1.6035398230088496) internal successors, (1812), 1177 states have internal predecessors, (1812), 283 states have call successors, (283), 106 states have call predecessors, (283), 109 states have return successors, (321), 275 states have call predecessors, (321), 275 states have call successors, (321) [2023-04-02 03:02:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2416 transitions. [2023-04-02 03:02:52,709 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2416 transitions. Word has length 135 [2023-04-02 03:02:52,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:02:52,709 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 2416 transitions. [2023-04-02 03:02:52,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-02 03:02:52,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2416 transitions. [2023-04-02 03:02:52,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-02 03:02:52,713 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:02:52,714 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:02:52,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 03:02:52,714 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:02:52,714 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:02:52,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1728639472, now seen corresponding path program 1 times [2023-04-02 03:02:52,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:02:52,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989173336] [2023-04-02 03:02:52,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:02:52,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:02:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:02:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:02:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:02:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:02:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:02:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:02:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:02:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:02:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:02:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 03:02:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 03:02:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:02:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:02:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:02:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 03:02:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 03:02:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:02:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 03:02:53,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:02:53,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989173336] [2023-04-02 03:02:53,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989173336] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:02:53,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:02:53,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:02:53,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052075972] [2023-04-02 03:02:53,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:02:53,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:02:53,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:02:53,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:02:53,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:02:53,637 INFO L87 Difference]: Start difference. First operand 1523 states and 2416 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-02 03:03:03,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:03:03,898 INFO L93 Difference]: Finished difference Result 4272 states and 7630 transitions. [2023-04-02 03:03:03,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-02 03:03:03,899 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 136 [2023-04-02 03:03:03,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:03:03,921 INFO L225 Difference]: With dead ends: 4272 [2023-04-02 03:03:03,921 INFO L226 Difference]: Without dead ends: 2832 [2023-04-02 03:03:03,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=196, Invalid=560, Unknown=0, NotChecked=0, Total=756 [2023-04-02 03:03:03,930 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 1520 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 8053 mSolverCounterSat, 636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 8689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 636 IncrementalHoareTripleChecker+Valid, 8053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:03:03,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1610 Valid, 1056 Invalid, 8689 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [636 Valid, 8053 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-04-02 03:03:03,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2023-04-02 03:03:04,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 1523. [2023-04-02 03:03:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1130 states have (on average 1.5991150442477877) internal successors, (1807), 1177 states have internal predecessors, (1807), 283 states have call successors, (283), 106 states have call predecessors, (283), 109 states have return successors, (321), 275 states have call predecessors, (321), 275 states have call successors, (321) [2023-04-02 03:03:04,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2411 transitions. [2023-04-02 03:03:04,417 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2411 transitions. Word has length 136 [2023-04-02 03:03:04,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:03:04,418 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 2411 transitions. [2023-04-02 03:03:04,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-02 03:03:04,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2411 transitions. [2023-04-02 03:03:04,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-04-02 03:03:04,421 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:03:04,421 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:03:04,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 03:03:04,422 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:03:04,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:03:04,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1990593679, now seen corresponding path program 1 times [2023-04-02 03:03:04,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:03:04,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896491563] [2023-04-02 03:03:04,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:03:04,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:03:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:04,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:03:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:04,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:03:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:04,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:03:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:04,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:03:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:03:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:03:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:03:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:03:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:03:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:03:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 03:03:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:03:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:03:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:03:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 03:03:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 03:03:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:03:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 03:03:05,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:03:05,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896491563] [2023-04-02 03:03:05,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896491563] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:03:05,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:03:05,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:03:05,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825126232] [2023-04-02 03:03:05,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:03:05,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:03:05,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:03:05,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:03:05,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:03:05,305 INFO L87 Difference]: Start difference. First operand 1523 states and 2411 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-02 03:03:15,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:03:15,537 INFO L93 Difference]: Finished difference Result 4272 states and 7625 transitions. [2023-04-02 03:03:15,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-02 03:03:15,538 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 137 [2023-04-02 03:03:15,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:03:15,556 INFO L225 Difference]: With dead ends: 4272 [2023-04-02 03:03:15,556 INFO L226 Difference]: Without dead ends: 2832 [2023-04-02 03:03:15,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=196, Invalid=560, Unknown=0, NotChecked=0, Total=756 [2023-04-02 03:03:15,564 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 1401 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 8095 mSolverCounterSat, 565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 8660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 565 IncrementalHoareTripleChecker+Valid, 8095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:03:15,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 972 Invalid, 8660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [565 Valid, 8095 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-04-02 03:03:15,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2023-04-02 03:03:16,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 1523. [2023-04-02 03:03:16,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1130 states have (on average 1.5946902654867257) internal successors, (1802), 1177 states have internal predecessors, (1802), 283 states have call successors, (283), 106 states have call predecessors, (283), 109 states have return successors, (321), 275 states have call predecessors, (321), 275 states have call successors, (321) [2023-04-02 03:03:16,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2406 transitions. [2023-04-02 03:03:16,145 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2406 transitions. Word has length 137 [2023-04-02 03:03:16,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:03:16,145 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 2406 transitions. [2023-04-02 03:03:16,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-02 03:03:16,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2406 transitions. [2023-04-02 03:03:16,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-02 03:03:16,148 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:03:16,149 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:03:16,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 03:03:16,149 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:03:16,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:03:16,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1251453643, now seen corresponding path program 1 times [2023-04-02 03:03:16,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:03:16,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226331976] [2023-04-02 03:03:16,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:03:16,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:03:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:03:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:03:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:03:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:03:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:03:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:03:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:03:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:03:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:03:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:03:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 03:03:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:03:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:03:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:03:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:16,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 03:03:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:17,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 03:03:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:17,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:03:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 03:03:17,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:03:17,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226331976] [2023-04-02 03:03:17,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226331976] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:03:17,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:03:17,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:03:17,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602548532] [2023-04-02 03:03:17,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:03:17,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:03:17,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:03:17,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:03:17,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:03:17,017 INFO L87 Difference]: Start difference. First operand 1523 states and 2406 transitions. Second operand has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-02 03:03:26,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:03:26,870 INFO L93 Difference]: Finished difference Result 4272 states and 7620 transitions. [2023-04-02 03:03:26,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-02 03:03:26,870 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 138 [2023-04-02 03:03:26,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:03:26,884 INFO L225 Difference]: With dead ends: 4272 [2023-04-02 03:03:26,885 INFO L226 Difference]: Without dead ends: 2832 [2023-04-02 03:03:26,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=196, Invalid=560, Unknown=0, NotChecked=0, Total=756 [2023-04-02 03:03:26,895 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 2476 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 7615 mSolverCounterSat, 1010 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 8625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1010 IncrementalHoareTripleChecker+Valid, 7615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:03:26,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2563 Valid, 1036 Invalid, 8625 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1010 Valid, 7615 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-04-02 03:03:26,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2023-04-02 03:03:27,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 1523. [2023-04-02 03:03:27,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1130 states have (on average 1.5902654867256638) internal successors, (1797), 1177 states have internal predecessors, (1797), 283 states have call successors, (283), 106 states have call predecessors, (283), 109 states have return successors, (321), 275 states have call predecessors, (321), 275 states have call successors, (321) [2023-04-02 03:03:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2401 transitions. [2023-04-02 03:03:27,404 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2401 transitions. Word has length 138 [2023-04-02 03:03:27,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:03:27,405 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 2401 transitions. [2023-04-02 03:03:27,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-02 03:03:27,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2401 transitions. [2023-04-02 03:03:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-02 03:03:27,408 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:03:27,408 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:03:27,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:03:27,408 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:03:27,409 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:03:27,409 INFO L85 PathProgramCache]: Analyzing trace with hash -394249654, now seen corresponding path program 1 times [2023-04-02 03:03:27,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:03:27,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019221774] [2023-04-02 03:03:27,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:03:27,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:03:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:27,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:03:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:27,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:03:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:03:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:03:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:27,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:03:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:27,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:03:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:03:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:03:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:03:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:03:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 03:03:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:03:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:03:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:03:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 03:03:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 03:03:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:03:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 03:03:28,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:03:28,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019221774] [2023-04-02 03:03:28,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019221774] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:03:28,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:03:28,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 03:03:28,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136636482] [2023-04-02 03:03:28,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:03:28,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 03:03:28,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:03:28,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 03:03:28,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2023-04-02 03:03:28,321 INFO L87 Difference]: Start difference. First operand 1523 states and 2401 transitions. Second operand has 15 states, 13 states have (on average 6.923076923076923) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (26), 8 states have call predecessors, (26), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2023-04-02 03:03:46,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:03:46,249 INFO L93 Difference]: Finished difference Result 7120 states and 13644 transitions. [2023-04-02 03:03:46,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-04-02 03:03:46,249 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.923076923076923) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (26), 8 states have call predecessors, (26), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 138 [2023-04-02 03:03:46,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:03:46,284 INFO L225 Difference]: With dead ends: 7120 [2023-04-02 03:03:46,284 INFO L226 Difference]: Without dead ends: 5691 [2023-04-02 03:03:46,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=625, Invalid=2027, Unknown=0, NotChecked=0, Total=2652 [2023-04-02 03:03:46,294 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 5330 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 9445 mSolverCounterSat, 2278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5413 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 11723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2278 IncrementalHoareTripleChecker+Valid, 9445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:03:46,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5413 Valid, 1283 Invalid, 11723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2278 Valid, 9445 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2023-04-02 03:03:46,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5691 states. [2023-04-02 03:03:47,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5691 to 3188. [2023-04-02 03:03:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3188 states, 2295 states have (on average 1.5808278867102397) internal successors, (3628), 2418 states have internal predecessors, (3628), 655 states have call successors, (655), 197 states have call predecessors, (655), 237 states have return successors, (899), 659 states have call predecessors, (899), 647 states have call successors, (899) [2023-04-02 03:03:47,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 3188 states and 5182 transitions. [2023-04-02 03:03:47,777 INFO L78 Accepts]: Start accepts. Automaton has 3188 states and 5182 transitions. Word has length 138 [2023-04-02 03:03:47,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:03:47,777 INFO L495 AbstractCegarLoop]: Abstraction has 3188 states and 5182 transitions. [2023-04-02 03:03:47,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.923076923076923) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (26), 8 states have call predecessors, (26), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2023-04-02 03:03:47,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3188 states and 5182 transitions. [2023-04-02 03:03:47,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-02 03:03:47,783 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:03:47,784 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:03:47,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:03:47,784 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:03:47,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:03:47,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1576689803, now seen corresponding path program 1 times [2023-04-02 03:03:47,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:03:47,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417721549] [2023-04-02 03:03:47,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:03:47,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:03:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:03:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:03:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:03:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:03:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:03:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:03:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:03:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:03:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:03:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:03:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 03:03:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:03:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:03:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:03:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 03:03:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 03:03:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:03:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:03:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:03:48,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 03:03:48,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:03:48,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417721549] [2023-04-02 03:03:48,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417721549] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:03:48,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:03:48,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-02 03:03:48,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305557382] [2023-04-02 03:03:48,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:03:48,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 03:03:48,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:03:48,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 03:03:48,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-04-02 03:03:48,764 INFO L87 Difference]: Start difference. First operand 3188 states and 5182 transitions. Second operand has 16 states, 14 states have (on average 6.142857142857143) internal successors, (86), 8 states have internal predecessors, (86), 7 states have call successors, (26), 8 states have call predecessors, (26), 6 states have return successors, (22), 7 states have call predecessors, (22), 6 states have call successors, (22) [2023-04-02 03:04:08,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:04:08,775 INFO L93 Difference]: Finished difference Result 7773 states and 15038 transitions. [2023-04-02 03:04:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-04-02 03:04:08,775 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 6.142857142857143) internal successors, (86), 8 states have internal predecessors, (86), 7 states have call successors, (26), 8 states have call predecessors, (26), 6 states have return successors, (22), 7 states have call predecessors, (22), 6 states have call successors, (22) Word has length 138 [2023-04-02 03:04:08,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:04:08,802 INFO L225 Difference]: With dead ends: 7773 [2023-04-02 03:04:08,802 INFO L226 Difference]: Without dead ends: 4725 [2023-04-02 03:04:08,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=446, Invalid=1624, Unknown=0, NotChecked=0, Total=2070 [2023-04-02 03:04:08,818 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 6978 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 11572 mSolverCounterSat, 4015 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6980 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 15587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4015 IncrementalHoareTripleChecker+Valid, 11572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:04:08,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6980 Valid, 980 Invalid, 15587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4015 Valid, 11572 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2023-04-02 03:04:08,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4725 states. [2023-04-02 03:04:09,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4725 to 2006. [2023-04-02 03:04:09,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2006 states, 1457 states have (on average 1.5854495538778313) internal successors, (2310), 1529 states have internal predecessors, (2310), 399 states have call successors, (399), 132 states have call predecessors, (399), 149 states have return successors, (488), 397 states have call predecessors, (488), 391 states have call successors, (488) [2023-04-02 03:04:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 2006 states and 3197 transitions. [2023-04-02 03:04:10,001 INFO L78 Accepts]: Start accepts. Automaton has 2006 states and 3197 transitions. Word has length 138 [2023-04-02 03:04:10,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:04:10,001 INFO L495 AbstractCegarLoop]: Abstraction has 2006 states and 3197 transitions. [2023-04-02 03:04:10,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 6.142857142857143) internal successors, (86), 8 states have internal predecessors, (86), 7 states have call successors, (26), 8 states have call predecessors, (26), 6 states have return successors, (22), 7 states have call predecessors, (22), 6 states have call successors, (22) [2023-04-02 03:04:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 3197 transitions. [2023-04-02 03:04:10,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-02 03:04:10,006 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:04:10,007 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:04:10,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:04:10,007 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:04:10,007 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:04:10,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1599900586, now seen corresponding path program 1 times [2023-04-02 03:04:10,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:04:10,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131601124] [2023-04-02 03:04:10,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:04:10,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:04:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:04:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:04:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:04:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:04:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:04:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:04:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:04:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:04:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:04:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:04:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:04:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:04:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:04:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:04:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 03:04:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 03:04:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:04:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 03:04:10,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:04:10,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131601124] [2023-04-02 03:04:10,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131601124] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:04:10,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:04:10,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:04:10,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706629788] [2023-04-02 03:04:10,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:04:10,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:04:10,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:04:10,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:04:10,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:04:10,927 INFO L87 Difference]: Start difference. First operand 2006 states and 3197 transitions. Second operand has 14 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 7 states have internal predecessors, (87), 5 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 3 states have call predecessors, (22), 5 states have call successors, (22) [2023-04-02 03:04:23,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:04:23,448 INFO L93 Difference]: Finished difference Result 5300 states and 9714 transitions. [2023-04-02 03:04:23,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 03:04:23,448 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 7 states have internal predecessors, (87), 5 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 3 states have call predecessors, (22), 5 states have call successors, (22) Word has length 139 [2023-04-02 03:04:23,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:04:23,465 INFO L225 Difference]: With dead ends: 5300 [2023-04-02 03:04:23,465 INFO L226 Difference]: Without dead ends: 3843 [2023-04-02 03:04:23,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:04:23,473 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1479 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 9164 mSolverCounterSat, 657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 9821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 657 IncrementalHoareTripleChecker+Valid, 9164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:04:23,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1571 Valid, 1129 Invalid, 9821 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [657 Valid, 9164 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-04-02 03:04:23,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2023-04-02 03:04:24,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 2009. [2023-04-02 03:04:24,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2009 states, 1458 states have (on average 1.5850480109739369) internal successors, (2311), 1532 states have internal predecessors, (2311), 400 states have call successors, (400), 132 states have call predecessors, (400), 150 states have return successors, (491), 397 states have call predecessors, (491), 392 states have call successors, (491) [2023-04-02 03:04:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 3202 transitions. [2023-04-02 03:04:24,322 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 3202 transitions. Word has length 139 [2023-04-02 03:04:24,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:04:24,322 INFO L495 AbstractCegarLoop]: Abstraction has 2009 states and 3202 transitions. [2023-04-02 03:04:24,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 7 states have internal predecessors, (87), 5 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 3 states have call predecessors, (22), 5 states have call successors, (22) [2023-04-02 03:04:24,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 3202 transitions. [2023-04-02 03:04:24,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-02 03:04:24,328 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:04:24,328 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:04:24,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:04:24,328 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:04:24,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:04:24,329 INFO L85 PathProgramCache]: Analyzing trace with hash 392600944, now seen corresponding path program 1 times [2023-04-02 03:04:24,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:04:24,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180332462] [2023-04-02 03:04:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:04:24,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:04:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:04:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:04:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:04:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:24,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:04:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:04:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:04:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:24,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:04:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:04:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:04:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:04:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:04:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:04:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:04:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:04:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 03:04:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 03:04:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:04:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:25,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 03:04:25,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:04:25,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180332462] [2023-04-02 03:04:25,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180332462] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:04:25,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:04:25,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:04:25,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652280524] [2023-04-02 03:04:25,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:04:25,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:04:25,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:04:25,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:04:25,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:04:25,158 INFO L87 Difference]: Start difference. First operand 2009 states and 3202 transitions. Second operand has 14 states, 13 states have (on average 6.769230769230769) internal successors, (88), 7 states have internal predecessors, (88), 5 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 3 states have call predecessors, (22), 5 states have call successors, (22) [2023-04-02 03:04:36,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:04:36,627 INFO L93 Difference]: Finished difference Result 5304 states and 9727 transitions. [2023-04-02 03:04:36,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 03:04:36,627 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.769230769230769) internal successors, (88), 7 states have internal predecessors, (88), 5 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 3 states have call predecessors, (22), 5 states have call successors, (22) Word has length 140 [2023-04-02 03:04:36,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:04:36,650 INFO L225 Difference]: With dead ends: 5304 [2023-04-02 03:04:36,651 INFO L226 Difference]: Without dead ends: 3847 [2023-04-02 03:04:36,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:04:36,659 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 3017 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 8401 mSolverCounterSat, 1408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3111 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 9809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1408 IncrementalHoareTripleChecker+Valid, 8401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:04:36,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3111 Valid, 1235 Invalid, 9809 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1408 Valid, 8401 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-04-02 03:04:36,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3847 states. [2023-04-02 03:04:37,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3847 to 2012. [2023-04-02 03:04:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2012 states, 1459 states have (on average 1.584647018505826) internal successors, (2312), 1535 states have internal predecessors, (2312), 401 states have call successors, (401), 132 states have call predecessors, (401), 151 states have return successors, (494), 397 states have call predecessors, (494), 393 states have call successors, (494) [2023-04-02 03:04:37,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 3207 transitions. [2023-04-02 03:04:37,754 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 3207 transitions. Word has length 140 [2023-04-02 03:04:37,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:04:37,755 INFO L495 AbstractCegarLoop]: Abstraction has 2012 states and 3207 transitions. [2023-04-02 03:04:37,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.769230769230769) internal successors, (88), 7 states have internal predecessors, (88), 5 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 3 states have call predecessors, (22), 5 states have call successors, (22) [2023-04-02 03:04:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 3207 transitions. [2023-04-02 03:04:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-02 03:04:37,760 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:04:37,760 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:04:37,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 03:04:37,760 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:04:37,761 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:04:37,761 INFO L85 PathProgramCache]: Analyzing trace with hash -332409489, now seen corresponding path program 1 times [2023-04-02 03:04:37,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:04:37,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964958028] [2023-04-02 03:04:37,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:04:37,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:04:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:04:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:04:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:04:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:04:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:04:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:04:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:04:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:04:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:04:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:04:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 03:04:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:04:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:04:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:04:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 03:04:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 03:04:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:04:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 03:04:38,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:04:38,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964958028] [2023-04-02 03:04:38,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964958028] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:04:38,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:04:38,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:04:38,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098540265] [2023-04-02 03:04:38,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:04:38,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:04:38,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:04:38,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:04:38,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:04:38,531 INFO L87 Difference]: Start difference. First operand 2012 states and 3207 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 4 states have internal predecessors, (89), 4 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-02 03:04:48,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:04:48,316 INFO L93 Difference]: Finished difference Result 5750 states and 10459 transitions. [2023-04-02 03:04:48,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 03:04:48,316 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 4 states have internal predecessors, (89), 4 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 141 [2023-04-02 03:04:48,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:04:48,332 INFO L225 Difference]: With dead ends: 5750 [2023-04-02 03:04:48,332 INFO L226 Difference]: Without dead ends: 3827 [2023-04-02 03:04:48,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:04:48,337 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 1884 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 4444 mSolverCounterSat, 826 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 5270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 826 IncrementalHoareTripleChecker+Valid, 4444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:04:48,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 601 Invalid, 5270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [826 Valid, 4444 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-04-02 03:04:48,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2023-04-02 03:04:49,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 2012. [2023-04-02 03:04:49,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2012 states, 1459 states have (on average 1.5812200137080192) internal successors, (2307), 1535 states have internal predecessors, (2307), 401 states have call successors, (401), 132 states have call predecessors, (401), 151 states have return successors, (494), 397 states have call predecessors, (494), 393 states have call successors, (494) [2023-04-02 03:04:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 3202 transitions. [2023-04-02 03:04:49,192 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 3202 transitions. Word has length 141 [2023-04-02 03:04:49,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:04:49,192 INFO L495 AbstractCegarLoop]: Abstraction has 2012 states and 3202 transitions. [2023-04-02 03:04:49,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 4 states have internal predecessors, (89), 4 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-02 03:04:49,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 3202 transitions. [2023-04-02 03:04:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-02 03:04:49,196 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:04:49,197 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:04:49,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:04:49,197 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:04:49,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:04:49,197 INFO L85 PathProgramCache]: Analyzing trace with hash -305816209, now seen corresponding path program 1 times [2023-04-02 03:04:49,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:04:49,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275033801] [2023-04-02 03:04:49,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:04:49,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:04:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:04:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:04:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:04:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:04:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:04:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:04:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:04:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:04:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:04:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:04:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 03:04:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:04:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:04:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:04:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:49,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 03:04:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:50,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 03:04:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:04:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:50,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:04:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:04:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 03:04:50,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:04:50,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275033801] [2023-04-02 03:04:50,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275033801] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:04:50,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:04:50,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:04:50,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204270931] [2023-04-02 03:04:50,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:04:50,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:04:50,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:04:50,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:04:50,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:04:50,011 INFO L87 Difference]: Start difference. First operand 2012 states and 3202 transitions. Second operand has 14 states, 13 states have (on average 6.846153846153846) internal successors, (89), 7 states have internal predecessors, (89), 5 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 3 states have call predecessors, (22), 5 states have call successors, (22) [2023-04-02 03:05:01,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:05:01,772 INFO L93 Difference]: Finished difference Result 5308 states and 9735 transitions. [2023-04-02 03:05:01,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 03:05:01,773 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.846153846153846) internal successors, (89), 7 states have internal predecessors, (89), 5 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 3 states have call predecessors, (22), 5 states have call successors, (22) Word has length 141 [2023-04-02 03:05:01,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:05:01,789 INFO L225 Difference]: With dead ends: 5308 [2023-04-02 03:05:01,790 INFO L226 Difference]: Without dead ends: 3851 [2023-04-02 03:05:01,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:05:01,799 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 2021 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 8640 mSolverCounterSat, 886 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2113 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 9526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 886 IncrementalHoareTripleChecker+Valid, 8640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:05:01,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2113 Valid, 994 Invalid, 9526 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [886 Valid, 8640 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-04-02 03:05:01,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2023-04-02 03:05:02,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 2015. [2023-04-02 03:05:02,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2015 states, 1460 states have (on average 1.5808219178082192) internal successors, (2308), 1538 states have internal predecessors, (2308), 402 states have call successors, (402), 132 states have call predecessors, (402), 152 states have return successors, (497), 397 states have call predecessors, (497), 394 states have call successors, (497) [2023-04-02 03:05:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 2015 states and 3207 transitions. [2023-04-02 03:05:02,821 INFO L78 Accepts]: Start accepts. Automaton has 2015 states and 3207 transitions. Word has length 141 [2023-04-02 03:05:02,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:05:02,821 INFO L495 AbstractCegarLoop]: Abstraction has 2015 states and 3207 transitions. [2023-04-02 03:05:02,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.846153846153846) internal successors, (89), 7 states have internal predecessors, (89), 5 states have call successors, (26), 8 states have call predecessors, (26), 4 states have return successors, (22), 3 states have call predecessors, (22), 5 states have call successors, (22) [2023-04-02 03:05:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 3207 transitions. [2023-04-02 03:05:02,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-02 03:05:02,826 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:05:02,826 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:05:02,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:05:02,826 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:05:02,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:05:02,827 INFO L85 PathProgramCache]: Analyzing trace with hash -157719475, now seen corresponding path program 1 times [2023-04-02 03:05:02,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:05:02,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851751283] [2023-04-02 03:05:02,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:05:02,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:05:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:05:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:05:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:05:03,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:05:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:05:03,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:05:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:05:03,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:05:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:05:03,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:05:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:05:03,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:05:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat