/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_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:33:27,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:33:27,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:33:27,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:33:27,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:33:27,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:33:27,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:33:27,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:33:27,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:33:27,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:33:27,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:33:27,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:33:27,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:33:27,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:33:27,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:33:27,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:33:27,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:33:27,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:33:27,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:33:27,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:33:27,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:33:27,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:33:27,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:33:27,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:33:27,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:33:27,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:33:27,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:33:27,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:33:27,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:33:27,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:33:27,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:33:27,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:33:27,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:33:27,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:33:27,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:33:27,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:33:27,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:33:27,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:33:27,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:33:27,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:33:27,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:33:27,219 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 21:33:27,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:33:27,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:33:27,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:33:27,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:33:27,241 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:33:27,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:33:27,242 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:33:27,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:33:27,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:33:27,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:33:27,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:33:27,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:33:27,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:33:27,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:33:27,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:33:27,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:33:27,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:33:27,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:33:27,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:33:27,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:33:27,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:33:27,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:33:27,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:33:27,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:33:27,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:33:27,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:33:27,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:33:27,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:33:27,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:33:27,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:33:27,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:33:27,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:33:27,562 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:33:27,562 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:33:27,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product30.cil.c [2019-11-06 21:33:27,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/045a0d549/5c4cc7cd580247c2b7c07fbfb16fed16/FLAG732a7551e [2019-11-06 21:33:28,300 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:33:28,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product30.cil.c [2019-11-06 21:33:28,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/045a0d549/5c4cc7cd580247c2b7c07fbfb16fed16/FLAG732a7551e [2019-11-06 21:33:28,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/045a0d549/5c4cc7cd580247c2b7c07fbfb16fed16 [2019-11-06 21:33:28,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:33:28,532 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:33:28,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:33:28,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:33:28,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:33:28,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:33:28" (1/1) ... [2019-11-06 21:33:28,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f5dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:28, skipping insertion in model container [2019-11-06 21:33:28,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:33:28" (1/1) ... [2019-11-06 21:33:28,548 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:33:28,635 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:33:29,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:33:29,374 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:33:29,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:33:29,558 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:33:29,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:29 WrapperNode [2019-11-06 21:33:29,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:33:29,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:33:29,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:33:29,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:33:29,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:29" (1/1) ... [2019-11-06 21:33:29,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:29" (1/1) ... [2019-11-06 21:33:29,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:29" (1/1) ... [2019-11-06 21:33:29,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:29" (1/1) ... [2019-11-06 21:33:29,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:29" (1/1) ... [2019-11-06 21:33:29,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:29" (1/1) ... [2019-11-06 21:33:29,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:29" (1/1) ... [2019-11-06 21:33:29,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:33:29,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:33:29,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:33:29,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:33:29,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:29" (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 21:33:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:33:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:33:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:33:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:33:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:33:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:33:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:33:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:33:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:33:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:33:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:33:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:33:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:33:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:33:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:33:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:33:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:33:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:33:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:33:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:33:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:33:29,864 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:33:29,864 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:33:29,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:33:29,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:33:29,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:33:29,865 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:33:29,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:33:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:33:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:33:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:33:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:33:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:33:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:33:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:33:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:33:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:33:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:33:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:33:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:33:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:33:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:33:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:33:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:33:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:33:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:33:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:33:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:33:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:33:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-11-06 21:33:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:33:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:33:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:33:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:33:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:33:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:33:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:33:29,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:33:29,873 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:33:29,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:33:29,873 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:33:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:33:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:33:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:33:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:33:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:33:29,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:33:29,875 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:33:29,875 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2019-11-06 21:33:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:33:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2019-11-06 21:33:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:33:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:33:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:33:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:33:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:33:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:33:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:33:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:33:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:33:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:33:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:33:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:33:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:33:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:33:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:33:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:33:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:33:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:33:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:33:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:33:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:33:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:33:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:33:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:33:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:33:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:33:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:33:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:33:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:33:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:33:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:33:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:33:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:33:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:33:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:33:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:33:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:33:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:33:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:33:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:33:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:33:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:33:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:33:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:33:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:33:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:33:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:33:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:33:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:33:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:33:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:33:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:33:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:33:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:33:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:33:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:33:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:33:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:33:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:33:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:33:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:33:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:33:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:33:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:33:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:33:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:33:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-11-06 21:33:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:33:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:33:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:33:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:33:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:33:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:33:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:33:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:33:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:33:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:33:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:33:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:33:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2019-11-06 21:33:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2019-11-06 21:33:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:33:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:33:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:33:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:33:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:33:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:33:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:33:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:33:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:33:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:33:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:33:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:33:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:33:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:33:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:33:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:33:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:33:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:33:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:33:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:33:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:33:32,372 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:33:32,373 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:33:32,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:33:32 BoogieIcfgContainer [2019-11-06 21:33:32,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:33:32,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:33:32,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:33:32,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:33:32,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:33:28" (1/3) ... [2019-11-06 21:33:32,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51838af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:33:32, skipping insertion in model container [2019-11-06 21:33:32,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:29" (2/3) ... [2019-11-06 21:33:32,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51838af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:33:32, skipping insertion in model container [2019-11-06 21:33:32,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:33:32" (3/3) ... [2019-11-06 21:33:32,384 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product30.cil.c [2019-11-06 21:33:32,394 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:33:32,403 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:33:32,415 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:33:32,453 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:33:32,453 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:33:32,453 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:33:32,453 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:33:32,454 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:33:32,454 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:33:32,454 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:33:32,454 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:33:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states. [2019-11-06 21:33:32,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-06 21:33:32,518 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:33:32,519 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:33:32,522 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:33:32,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:33:32,528 INFO L82 PathProgramCache]: Analyzing trace with hash -157007896, now seen corresponding path program 1 times [2019-11-06 21:33:32,537 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:33:32,537 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88494041] [2019-11-06 21:33:32,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:33:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,261 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 397 [2019-11-06 21:33:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,594 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-06 21:33:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,812 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:33:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:33:35,084 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88494041] [2019-11-06 21:33:35,085 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:33:35,085 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:33:35,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227729538] [2019-11-06 21:33:35,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:33:35,092 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:33:35,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:33:35,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:33:35,105 INFO L87 Difference]: Start difference. First operand 805 states. Second operand 9 states. [2019-11-06 21:33:37,008 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-11-06 21:33:37,941 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-11-06 21:33:39,451 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:33:56,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:33:56,306 INFO L93 Difference]: Finished difference Result 1710 states and 2960 transitions. [2019-11-06 21:33:56,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-06 21:33:56,308 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-11-06 21:33:56,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:33:56,340 INFO L225 Difference]: With dead ends: 1710 [2019-11-06 21:33:56,341 INFO L226 Difference]: Without dead ends: 1076 [2019-11-06 21:33:56,354 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:33:56,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2019-11-06 21:33:56,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 638. [2019-11-06 21:33:56,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2019-11-06 21:33:56,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 1016 transitions. [2019-11-06 21:33:56,653 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 1016 transitions. Word has length 85 [2019-11-06 21:33:56,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:33:56,653 INFO L462 AbstractCegarLoop]: Abstraction has 638 states and 1016 transitions. [2019-11-06 21:33:56,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 21:33:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1016 transitions. [2019-11-06 21:33:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-06 21:33:56,659 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:33:56,659 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:33:56,659 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:33:56,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:33:56,660 INFO L82 PathProgramCache]: Analyzing trace with hash -2067866645, now seen corresponding path program 1 times [2019-11-06 21:33:56,660 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:33:56,660 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113017115] [2019-11-06 21:33:56,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:33:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:57,677 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2019-11-06 21:33:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:57,936 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-06 21:33:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:33:58,294 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113017115] [2019-11-06 21:33:58,295 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:33:58,295 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:33:58,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084825386] [2019-11-06 21:33:58,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:33:58,297 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:33:58,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:33:58,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:33:58,298 INFO L87 Difference]: Start difference. First operand 638 states and 1016 transitions. Second operand 9 states. [2019-11-06 21:34:00,072 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-11-06 21:34:00,950 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-11-06 21:34:02,223 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 121