java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:24:17,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:24:17,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:24:17,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:24:17,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:24:17,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:24:17,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:24:17,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:24:17,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:24:17,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:24:17,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:24:17,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:24:17,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:24:17,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:24:17,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:24:17,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:24:17,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:24:17,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:24:17,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:24:17,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:24:17,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:24:17,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:24:17,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:24:17,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:24:17,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:24:17,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:24:17,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:24:17,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:24:17,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:24:17,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:24:17,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:24:17,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:24:17,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:24:17,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:24:17,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:24:17,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:24:17,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:24:17,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:24:17,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:24:17,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:24:17,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:24:17,482 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 [2019-10-13 19:24:17,498 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:24:17,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:24:17,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:24:17,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:24:17,500 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:24:17,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:24:17,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:24:17,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:24:17,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:24:17,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:24:17,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:24:17,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:24:17,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:24:17,503 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:24:17,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:24:17,503 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:24:17,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:24:17,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:24:17,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:24:17,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:24:17,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:24:17,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:24:17,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:24:17,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:24:17,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:24:17,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:24:17,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:24:17,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:24:17,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:24:17,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:24:17,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:24:17,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:24:17,786 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:24:17,786 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:24:17,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product32.cil.c [2019-10-13 19:24:17,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd4c47c4/31a3176831334fb39987c85b6de22f7a/FLAGa7bf62fad [2019-10-13 19:24:18,551 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:24:18,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product32.cil.c [2019-10-13 19:24:18,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd4c47c4/31a3176831334fb39987c85b6de22f7a/FLAGa7bf62fad [2019-10-13 19:24:18,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd4c47c4/31a3176831334fb39987c85b6de22f7a [2019-10-13 19:24:18,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:24:18,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:24:18,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:24:18,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:24:18,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:24:18,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:24:18" (1/1) ... [2019-10-13 19:24:18,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29914bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:18, skipping insertion in model container [2019-10-13 19:24:18,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:24:18" (1/1) ... [2019-10-13 19:24:18,782 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:24:18,859 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:24:19,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:24:19,583 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:24:19,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:24:19,799 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:24:19,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:19 WrapperNode [2019-10-13 19:24:19,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:24:19,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:24:19,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:24:19,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:24:19,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:19" (1/1) ... [2019-10-13 19:24:19,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:19" (1/1) ... [2019-10-13 19:24:19,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:19" (1/1) ... [2019-10-13 19:24:19,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:19" (1/1) ... [2019-10-13 19:24:19,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:19" (1/1) ... [2019-10-13 19:24:19,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:19" (1/1) ... [2019-10-13 19:24:19,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:19" (1/1) ... [2019-10-13 19:24:19,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:24:19,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:24:19,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:24:19,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:24:19,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:24:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:24:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:24:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:24:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:24:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:24:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:24:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:24:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:24:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:24:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:24:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:24:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:24:20,070 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:24:20,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:24:20,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:24:20,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:24:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:24:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:24:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:24:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:24:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:24:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:24:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:24:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:24:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:24:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:24:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:24:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:24:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:24:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:24:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:24:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:24:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:24:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:24:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:24:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:24:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:24:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:24:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:24:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:24:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:24:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:24:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:24:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:24:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-13 19:24:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:24:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-13 19:24:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:24:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:24:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:24:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:24:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:24:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:24:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:24:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:24:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:24:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:24:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:24:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:24:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:24:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:24:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:24:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:24:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:24:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:24:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:24:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:24:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:24:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:24:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:24:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:24:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:24:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:24:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:24:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:24:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:24:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:24:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:24:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:24:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:24:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:24:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:24:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:24:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:24:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:24:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:24:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:24:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:24:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:24:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:24:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:24:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:24:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:24:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:24:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:24:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:24:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:24:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:24:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:24:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:24:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:24:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:24:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:24:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:24:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:24:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:24:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:24:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:24:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:24:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:24:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:24:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:24:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:24:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:24:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:24:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:24:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:24:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:24:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:24:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:24:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:24:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:24:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:24:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:24:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:24:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:24:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:24:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:24:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:24:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:24:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:24:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:24:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:24:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:24:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:24:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-13 19:24:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-13 19:24:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:24:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:24:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:24:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:24:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:24:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:24:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:24:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:24:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:24:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:24:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:24:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:24:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:24:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:24:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:24:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:24:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:24:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:24:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:24:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:24:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:24:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:24:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:24:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:24:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:24:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:24:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:24:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:24:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:24:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:24:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:24:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:24:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:24:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:24:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:24:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:24:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:24:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:24:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:24:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:24:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:24:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:24:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:24:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:24:22,776 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:24:22,776 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:24:22,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:24:22 BoogieIcfgContainer [2019-10-13 19:24:22,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:24:22,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:24:22,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:24:22,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:24:22,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:24:18" (1/3) ... [2019-10-13 19:24:22,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518deeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:24:22, skipping insertion in model container [2019-10-13 19:24:22,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:19" (2/3) ... [2019-10-13 19:24:22,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518deeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:24:22, skipping insertion in model container [2019-10-13 19:24:22,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:24:22" (3/3) ... [2019-10-13 19:24:22,787 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product32.cil.c [2019-10-13 19:24:22,797 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:24:22,808 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:24:22,821 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:24:22,866 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:24:22,866 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:24:22,867 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:24:22,867 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:24:22,867 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:24:22,867 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:24:22,867 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:24:22,867 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:24:22,918 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states. [2019-10-13 19:24:22,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 19:24:22,945 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:22,946 INFO L380 BasicCegarLoop]: 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] [2019-10-13 19:24:22,952 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:22,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:22,958 INFO L82 PathProgramCache]: Analyzing trace with hash 165755889, now seen corresponding path program 1 times [2019-10-13 19:24:22,968 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:22,969 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669347107] [2019-10-13 19:24:22,969 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:22,969 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:22,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,722 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 400 [2019-10-13 19:24:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,060 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-13 19:24:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:24:25,410 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669347107] [2019-10-13 19:24:25,411 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:24:25,411 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:24:25,412 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254990671] [2019-10-13 19:24:25,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:24:25,417 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:24:25,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:24:25,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:24:25,434 INFO L87 Difference]: Start difference. First operand 824 states. Second operand 9 states. [2019-10-13 19:24:27,271 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-10-13 19:24:28,237 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-10-13 19:24:29,804 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:24:49,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:24:49,580 INFO L93 Difference]: Finished difference Result 1748 states and 3002 transitions. [2019-10-13 19:24:49,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:24:49,582 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2019-10-13 19:24:49,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:24:49,634 INFO L225 Difference]: With dead ends: 1748 [2019-10-13 19:24:49,635 INFO L226 Difference]: Without dead ends: 1095 [2019-10-13 19:24:49,647 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:24:49,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2019-10-13 19:24:49,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 657. [2019-10-13 19:24:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2019-10-13 19:24:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1037 transitions. [2019-10-13 19:24:49,924 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1037 transitions. Word has length 87 [2019-10-13 19:24:49,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:24:49,925 INFO L462 AbstractCegarLoop]: Abstraction has 657 states and 1037 transitions. [2019-10-13 19:24:49,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 19:24:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1037 transitions. [2019-10-13 19:24:49,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-13 19:24:49,939 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:49,941 INFO L380 BasicCegarLoop]: 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] [2019-10-13 19:24:49,942 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:49,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:49,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1802747224, now seen corresponding path program 1 times [2019-10-13 19:24:49,947 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:49,947 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707306830] [2019-10-13 19:24:49,947 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:49,947 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:49,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:50,968 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-13 19:24:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,255 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-13 19:24:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:24:51,625 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707306830] [2019-10-13 19:24:51,626 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:24:51,626 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:24:51,626 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232124931] [2019-10-13 19:24:51,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:24:51,640 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:24:51,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:24:51,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:24:51,643 INFO L87 Difference]: Start difference. First operand 657 states and 1037 transitions. Second operand 9 states. [2019-10-13 19:24:53,549 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-10-13 19:24:54,470 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-10-13 19:24:55,786 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121