/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_spec2_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:32:06,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:32:06,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:32:06,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:32:06,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:32:06,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:32:06,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:32:06,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:32:06,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:32:06,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:32:06,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:32:06,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:32:06,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:32:06,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:32:06,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:32:06,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:32:06,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:32:06,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:32:06,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:32:06,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:32:06,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:32:06,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:32:06,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:32:06,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:32:06,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:32:06,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:32:06,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:32:06,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:32:06,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:32:06,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:32:06,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:32:06,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:32:06,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:32:06,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:32:06,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:32:06,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:32:06,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:32:06,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:32:06,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:32:06,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:32:06,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:32:06,101 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 21:32:06,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:32:06,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:32:06,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:32:06,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:32:06,117 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:32:06,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:32:06,117 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:32:06,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:32:06,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:32:06,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:32:06,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:32:06,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:32:06,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:32:06,119 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:32:06,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:32:06,119 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:32:06,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:32:06,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:32:06,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:32:06,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:32:06,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:32:06,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:32:06,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:32:06,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:32:06,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:32:06,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:32:06,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:32:06,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:32:06,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:32:06,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:32:06,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:32:06,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:32:06,437 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:32:06,437 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:32:06,438 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c [2019-11-06 21:32:06,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07fbd05f9/8d33692fa21f4f938cfee40e396a8497/FLAGb20ea223b [2019-11-06 21:32:07,164 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:32:07,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c [2019-11-06 21:32:07,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07fbd05f9/8d33692fa21f4f938cfee40e396a8497/FLAGb20ea223b [2019-11-06 21:32:07,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07fbd05f9/8d33692fa21f4f938cfee40e396a8497 [2019-11-06 21:32:07,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:32:07,330 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:32:07,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:32:07,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:32:07,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:32:07,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:32:07" (1/1) ... [2019-11-06 21:32:07,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fe9e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:07, skipping insertion in model container [2019-11-06 21:32:07,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:32:07" (1/1) ... [2019-11-06 21:32:07,348 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:32:07,440 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:32:08,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:32:08,170 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:32:08,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:32:08,432 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:32:08,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:08 WrapperNode [2019-11-06 21:32:08,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:32:08,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:32:08,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:32:08,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:32:08,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:08" (1/1) ... [2019-11-06 21:32:08,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:08" (1/1) ... [2019-11-06 21:32:08,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:08" (1/1) ... [2019-11-06 21:32:08,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:08" (1/1) ... [2019-11-06 21:32:08,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:08" (1/1) ... [2019-11-06 21:32:08,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:08" (1/1) ... [2019-11-06 21:32:08,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:08" (1/1) ... [2019-11-06 21:32:08,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:32:08,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:32:08,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:32:08,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:32:08,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:08" (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 21:32:08,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:32:08,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:32:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:32:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:32:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:32:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:32:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:32:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:32:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:32:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:32:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:32:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:32:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:32:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:32:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:32:08,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:32:08,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:32:08,740 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:32:08,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:32:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-11-06 21:32:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:32:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:32:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:32:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-11-06 21:32:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:32:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:32:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:32:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:32:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:32:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:32:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-11-06 21:32:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-11-06 21:32:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:32:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:32:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:32:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:32:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:32:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:32:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:32:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:32:08,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:32:08,747 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:32:08,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:32:08,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:32:08,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:32:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:32:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:32:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:32:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:32:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:32:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:32:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:32:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:32:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:32:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:32:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:32:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:32:08,750 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:32:08,750 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:32:08,750 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:32:08,751 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:32:08,751 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:32:08,751 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:32:08,751 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:32:08,751 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:32:08,752 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:32:08,752 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:32:08,752 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:32:08,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:32:08,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:32:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:32:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:32:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:32:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:32:08,754 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:32:08,754 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:32:08,754 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:32:08,754 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:32:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:32:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:32:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:32:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:32:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:32:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:32:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:32:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:32:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:32:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:32:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:32:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:32:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:32:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:32:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:32:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:32:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:32:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:32:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:32:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:32:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:32:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:32:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:32:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-11-06 21:32:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-11-06 21:32:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:32:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:32:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:32:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:32:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:32:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:32:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:32:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:32:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-11-06 21:32:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:32:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:32:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-11-06 21:32:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:32:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:32:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:32:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:32:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:32:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:32:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:32:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:32:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:32:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:32:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:32:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:32:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:32:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:32:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:32:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:32:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:32:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:32:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:32:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:32:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:32:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:32:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:32:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:32:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:32:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:32:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:32:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:32:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:32:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:32:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:32:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:32:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:32:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:32:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:32:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:32:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:32:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:32:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:32:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:32:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:32:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:32:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:32:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:32:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:32:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:32:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:32:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:32:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:32:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:32:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:32:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:32:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:32:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:32:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:32:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:32:11,113 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:32:11,113 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:32:11,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:32:11 BoogieIcfgContainer [2019-11-06 21:32:11,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:32:11,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:32:11,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:32:11,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:32:11,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:32:07" (1/3) ... [2019-11-06 21:32:11,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45347ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:32:11, skipping insertion in model container [2019-11-06 21:32:11,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:08" (2/3) ... [2019-11-06 21:32:11,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45347ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:32:11, skipping insertion in model container [2019-11-06 21:32:11,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:32:11" (3/3) ... [2019-11-06 21:32:11,125 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product19.cil.c [2019-11-06 21:32:11,135 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:32:11,145 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:32:11,156 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:32:11,198 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:32:11,198 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:32:11,198 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:32:11,198 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:32:11,198 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:32:11,199 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:32:11,199 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:32:11,199 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:32:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states. [2019-11-06 21:32:11,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-06 21:32:11,269 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:32:11,270 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:32:11,272 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:32:11,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:32:11,278 INFO L82 PathProgramCache]: Analyzing trace with hash 707688551, now seen corresponding path program 1 times [2019-11-06 21:32:11,288 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:32:11,288 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248660539] [2019-11-06 21:32:11,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:32:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:12,985 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:32:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,287 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-06 21:32:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,465 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:32:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:32:14,080 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248660539] [2019-11-06 21:32:14,081 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:32:14,081 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:32:14,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788816649] [2019-11-06 21:32:14,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:32:14,089 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:32:14,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:32:14,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:32:14,107 INFO L87 Difference]: Start difference. First operand 770 states. Second operand 10 states. [2019-11-06 21:32:15,332 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:32:16,283 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-11-06 21:32:17,129 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-11-06 21:32:18,893 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-06 21:32:23,647 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:32:36,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:32:36,984 INFO L93 Difference]: Finished difference Result 1759 states and 3096 transitions. [2019-11-06 21:32:36,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 21:32:36,986 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2019-11-06 21:32:36,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:32:37,023 INFO L225 Difference]: With dead ends: 1759 [2019-11-06 21:32:37,023 INFO L226 Difference]: Without dead ends: 1138 [2019-11-06 21:32:37,033 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-11-06 21:32:37,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2019-11-06 21:32:37,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 610. [2019-11-06 21:32:37,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2019-11-06 21:32:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 973 transitions. [2019-11-06 21:32:37,347 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 973 transitions. Word has length 133 [2019-11-06 21:32:37,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:32:37,348 INFO L462 AbstractCegarLoop]: Abstraction has 610 states and 973 transitions. [2019-11-06 21:32:37,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:32:37,348 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 973 transitions. [2019-11-06 21:32:37,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-06 21:32:37,357 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:32:37,357 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:32:37,358 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:32:37,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:32:37,358 INFO L82 PathProgramCache]: Analyzing trace with hash -373174512, now seen corresponding path program 1 times [2019-11-06 21:32:37,358 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:32:37,359 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392203846] [2019-11-06 21:32:37,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:32:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,307 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:32:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,561 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-06 21:32:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:32:39,032 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392203846] [2019-11-06 21:32:39,032 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:32:39,032 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:32:39,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147376110] [2019-11-06 21:32:39,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:32:39,035 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:32:39,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:32:39,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:32:39,036 INFO L87 Difference]: Start difference. First operand 610 states and 973 transitions. Second operand 10 states. [2019-11-06 21:32:39,795 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:32:40,669 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-11-06 21:32:41,469 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-11-06 21:32:43,176 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 127