/usr/bin/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_spec14_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:29:26,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:29:26,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:29:26,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:29:26,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:29:26,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:29:26,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:29:26,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:29:26,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:29:26,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:29:26,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:29:26,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:29:26,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:29:26,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:29:26,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:29:26,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:29:26,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:29:26,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:29:26,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:29:26,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:29:26,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:29:26,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:29:26,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:29:26,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:29:26,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:29:26,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:29:26,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:29:26,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:29:26,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:29:26,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:29:26,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:29:26,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:29:26,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:29:26,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:29:26,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:29:26,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:29:26,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:29:26,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:29:26,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:29:26,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:29:26,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:29:26,126 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 [2019-11-06 21:29:26,149 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:29:26,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:29:26,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:29:26,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:29:26,151 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:29:26,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:29:26,151 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:29:26,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:29:26,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:29:26,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:29:26,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:29:26,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:29:26,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:29:26,153 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:29:26,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:29:26,153 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:29:26,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:29:26,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:29:26,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:29:26,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:29:26,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:29:26,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:29:26,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:29:26,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:29:26,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:29:26,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:29:26,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:29:26,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:29:26,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:29:26,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:29:26,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:29:26,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:29:26,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:29:26,432 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:29:26,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product27.cil.c [2019-11-06 21:29:26,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7680a68d8/aad8de636d4a4bc1a98ee15f4e6da560/FLAG593c993b9 [2019-11-06 21:29:27,131 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:29:27,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec14_product27.cil.c [2019-11-06 21:29:27,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7680a68d8/aad8de636d4a4bc1a98ee15f4e6da560/FLAG593c993b9 [2019-11-06 21:29:27,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7680a68d8/aad8de636d4a4bc1a98ee15f4e6da560 [2019-11-06 21:29:27,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:29:27,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:29:27,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:29:27,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:29:27,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:29:27,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:29:27" (1/1) ... [2019-11-06 21:29:27,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22019d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:29:27, skipping insertion in model container [2019-11-06 21:29:27,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:29:27" (1/1) ... [2019-11-06 21:29:27,373 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:29:27,452 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:29:28,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:29:28,167 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:29:28,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:29:28,388 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:29:28,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:29:28 WrapperNode [2019-11-06 21:29:28,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:29:28,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:29:28,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:29:28,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:29:28,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:29:28" (1/1) ... [2019-11-06 21:29:28,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:29:28" (1/1) ... [2019-11-06 21:29:28,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:29:28" (1/1) ... [2019-11-06 21:29:28,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:29:28" (1/1) ... [2019-11-06 21:29:28,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:29:28" (1/1) ... [2019-11-06 21:29:28,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:29:28" (1/1) ... [2019-11-06 21:29:28,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:29:28" (1/1) ... [2019-11-06 21:29:28,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:29:28,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:29:28,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:29:28,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:29:28,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:29:28" (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 [2019-11-06 21:29:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:29:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:29:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:29:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:29:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:29:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:29:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:29:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:29:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:29:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:29:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-11-06 21:29:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:29:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:29:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:29:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:29:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:29:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:29:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:29:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:29:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:29:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:29:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:29:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:29:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:29:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:29:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:29:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:29:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:29:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:29:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:29:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:29:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:29:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-11-06 21:29:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-11-06 21:29:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:29:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:29:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:29:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:29:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:29:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:29:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:29:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:29:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:29:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:29:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:29:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:29:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:29:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:29:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:29:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:29:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:29:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:29:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:29:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:29:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:29:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:29:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:29:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:29:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:29:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:29:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:29:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:29:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:29:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:29:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2019-11-06 21:29:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:29:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:29:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:29:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:29:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:29:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:29:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:29:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:29:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:29:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:29:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:29:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:29:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:29:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:29:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:29:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:29:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:29:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:29:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:29:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:29:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:29:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:29:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:29:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:29:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:29:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:29:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:29:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:29:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:29:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:29:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:29:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:29:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:29:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:29:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:29:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-11-06 21:29:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-11-06 21:29:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:29:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:29:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-11-06 21:29:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:29:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:29:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:29:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:29:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:29:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:29:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:29:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:29:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:29:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:29:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:29:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:29:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2019-11-06 21:29:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:29:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:29:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:29:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:29:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:29:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:29:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:29:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:29:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:29:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:29:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:29:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:29:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:29:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:29:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:29:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:29:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:29:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:29:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:29:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:29:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:29:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:29:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:29:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:29:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:29:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:29:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:29:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:29:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:29:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:29:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:29:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:29:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:29:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:29:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:29:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:29:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:29:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:29:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:29:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:29:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:29:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:29:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:29:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:29:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:29:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:29:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:29:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:29:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:29:30,937 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:29:30,938 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:29:30,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:29:30 BoogieIcfgContainer [2019-11-06 21:29:30,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:29:30,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:29:30,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:29:30,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:29:30,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:29:27" (1/3) ... [2019-11-06 21:29:30,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:29:30, skipping insertion in model container [2019-11-06 21:29:30,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:29:28" (2/3) ... [2019-11-06 21:29:30,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:29:30, skipping insertion in model container [2019-11-06 21:29:30,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:29:30" (3/3) ... [2019-11-06 21:29:30,949 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product27.cil.c [2019-11-06 21:29:30,959 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:29:30,968 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:29:30,979 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:29:31,024 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:29:31,024 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:29:31,025 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:29:31,025 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:29:31,025 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:29:31,025 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:29:31,025 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:29:31,025 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:29:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states. [2019-11-06 21:29:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-06 21:29:31,098 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:29:31,099 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:29:31,101 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:29:31,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:29:31,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1973380872, now seen corresponding path program 1 times [2019-11-06 21:29:31,116 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:29:31,117 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083321617] [2019-11-06 21:29:31,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:29:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,637 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:29:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-06 21:29:33,073 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083321617] [2019-11-06 21:29:33,074 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:29:33,074 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 21:29:33,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918302531] [2019-11-06 21:29:33,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 21:29:33,085 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:29:33,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 21:29:33,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-06 21:29:33,102 INFO L87 Difference]: Start difference. First operand 751 states. Second operand 8 states. [2019-11-06 21:29:34,637 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-11-06 21:29:35,485 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-11-06 21:29:37,445 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:29:48,825 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-11-06 21:29:55,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:29:55,100 INFO L93 Difference]: Finished difference Result 1532 states and 2626 transitions. [2019-11-06 21:29:55,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-06 21:29:55,103 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2019-11-06 21:29:55,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:29:55,137 INFO L225 Difference]: With dead ends: 1532 [2019-11-06 21:29:55,137 INFO L226 Difference]: Without dead ends: 887 [2019-11-06 21:29:55,150 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:29:55,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2019-11-06 21:29:55,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 603. [2019-11-06 21:29:55,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2019-11-06 21:29:55,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 951 transitions. [2019-11-06 21:29:55,430 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 951 transitions. Word has length 135 [2019-11-06 21:29:55,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:29:55,431 INFO L462 AbstractCegarLoop]: Abstraction has 603 states and 951 transitions. [2019-11-06 21:29:55,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 21:29:55,431 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 951 transitions. [2019-11-06 21:29:55,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-06 21:29:55,441 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:29:55,441 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:29:55,441 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:29:55,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:29:55,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1520755359, now seen corresponding path program 1 times [2019-11-06 21:29:55,442 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:29:55,442 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75603386] [2019-11-06 21:29:55,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:29:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,332 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:29:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:56,688 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-06 21:29:56,689 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75603386] [2019-11-06 21:29:56,689 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:29:56,689 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 21:29:56,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397674892] [2019-11-06 21:29:56,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 21:29:56,701 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:29:56,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 21:29:56,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-06 21:29:56,703 INFO L87 Difference]: Start difference. First operand 603 states and 951 transitions. Second operand 8 states. [2019-11-06 21:29:58,026 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-11-06 21:29:58,839 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 381