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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:48,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:48,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:48,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:48,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:48,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:48,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:48,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:48,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:48,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:48,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:48,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:48,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:48,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:48,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:48,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:48,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:48,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:48,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:48,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:48,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:48,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:48,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:48,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:48,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:48,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:48,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:48,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:48,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:48,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:48,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:48,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:48,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:48,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:48,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:48,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:48,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:48,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:48,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:48,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:48,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:48,477 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 19:23:48,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:48,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:48,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:48,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:48,500 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:48,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:48,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:48,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:48,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:48,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:48,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:48,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:48,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:48,503 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:48,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:48,503 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:48,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:48,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:48,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:48,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:48,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:48,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:48,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:48,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:48,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:48,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:48,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:48,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:48,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:48,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:48,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:48,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:48,809 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:48,810 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:48,811 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c [2019-10-13 19:23:48,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/473197b6b/4b1b7f104840447aaf58b8ee64f8e99e/FLAGa77e1707e [2019-10-13 19:23:49,538 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:49,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c [2019-10-13 19:23:49,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/473197b6b/4b1b7f104840447aaf58b8ee64f8e99e/FLAGa77e1707e [2019-10-13 19:23:49,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/473197b6b/4b1b7f104840447aaf58b8ee64f8e99e [2019-10-13 19:23:49,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:49,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:49,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:49,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:49,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:49,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:49" (1/1) ... [2019-10-13 19:23:49,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338e2a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:49, skipping insertion in model container [2019-10-13 19:23:49,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:49" (1/1) ... [2019-10-13 19:23:49,699 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:49,778 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:50,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:50,530 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:50,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:50,748 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:50,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50 WrapperNode [2019-10-13 19:23:50,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:50,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:50,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:50,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:50,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:50,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:50,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:50,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:51,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (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 19:23:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:23:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:23:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:23:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:23:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:23:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:23:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:23:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:23:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:53,525 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:53,526 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:53,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:53 BoogieIcfgContainer [2019-10-13 19:23:53,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:53,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:53,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:53,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:53,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:49" (1/3) ... [2019-10-13 19:23:53,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d79368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:53, skipping insertion in model container [2019-10-13 19:23:53,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (2/3) ... [2019-10-13 19:23:53,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d79368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:53, skipping insertion in model container [2019-10-13 19:23:53,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:53" (3/3) ... [2019-10-13 19:23:53,536 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product25.cil.c [2019-10-13 19:23:53,547 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:53,557 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:53,574 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:53,610 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:53,610 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:53,610 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:53,611 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:53,611 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:53,611 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:53,611 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:53,612 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states. [2019-10-13 19:23:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-13 19:23:53,675 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:53,676 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:53,681 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:53,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:53,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1728086077, now seen corresponding path program 1 times [2019-10-13 19:23:53,702 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:53,702 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471523359] [2019-10-13 19:23:53,703 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:53,703 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:53,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,462 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,745 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:23:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,985 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:23:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:56,359 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 19:23:56,360 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471523359] [2019-10-13 19:23:56,361 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:56,361 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:23:56,362 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156209759] [2019-10-13 19:23:56,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:23:56,367 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:56,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:23:56,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:23:56,385 INFO L87 Difference]: Start difference. First operand 749 states. Second operand 10 states. [2019-10-13 19:23:57,298 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:23:58,223 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:59,072 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-13 19:24:00,878 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:24:01,989 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:24:17,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:24:17,487 INFO L93 Difference]: Finished difference Result 1717 states and 3040 transitions. [2019-10-13 19:24:17,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:24:17,489 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2019-10-13 19:24:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:24:17,532 INFO L225 Difference]: With dead ends: 1717 [2019-10-13 19:24:17,532 INFO L226 Difference]: Without dead ends: 1117 [2019-10-13 19:24:17,547 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:24:17,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2019-10-13 19:24:17,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 589. [2019-10-13 19:24:17,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-10-13 19:24:17,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 945 transitions. [2019-10-13 19:24:17,835 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 945 transitions. Word has length 109 [2019-10-13 19:24:17,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:24:17,836 INFO L462 AbstractCegarLoop]: Abstraction has 589 states and 945 transitions. [2019-10-13 19:24:17,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:24:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 945 transitions. [2019-10-13 19:24:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 19:24:17,845 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:17,846 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, 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 19:24:17,846 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:17,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:17,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1757589142, now seen corresponding path program 1 times [2019-10-13 19:24:17,847 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:17,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889615278] [2019-10-13 19:24:17,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:17,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:17,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:18,862 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:24:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,126 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:24:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:19,629 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 19:24:19,630 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889615278] [2019-10-13 19:24:19,630 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:24:19,630 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:24:19,630 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397964554] [2019-10-13 19:24:19,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:24:19,633 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:24:19,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:24:19,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:24:19,633 INFO L87 Difference]: Start difference. First operand 589 states and 945 transitions. Second operand 13 states. [2019-10-13 19:24:22,094 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:24:22,942 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-13 19:24:25,061 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:24:26,260 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2019-10-13 19:24:26,626 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-10-13 19:24:27,473 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:24:27,751 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 130