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_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:21:34,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:21:34,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:21:34,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:21:34,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:21:34,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:21:34,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:21:34,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:21:34,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:21:34,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:21:34,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:21:34,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:21:34,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:21:34,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:21:34,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:21:34,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:21:34,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:21:34,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:21:34,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:21:34,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:21:34,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:21:34,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:21:34,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:21:34,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:21:34,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:21:34,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:21:34,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:21:34,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:21:34,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:21:34,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:21:34,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:21:34,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:21:34,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:21:34,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:21:34,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:21:34,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:21:34,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:21:34,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:21:34,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:21:34,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:21:34,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:21:34,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:21:34,982 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:21:34,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:21:34,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:21:34,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:21:34,986 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:21:34,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:21:34,986 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:21:34,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:21:34,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:21:34,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:21:34,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:21:34,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:21:34,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:21:34,989 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:21:34,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:21:34,989 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:21:34,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:21:34,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:21:34,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:21:34,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:21:34,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:21:34,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:21:34,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:21:34,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:21:34,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:21:34,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:21:34,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:21:34,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:21:34,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:21:35,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:21:35,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:21:35,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:21:35,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:21:35,300 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:21:35,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product03.cil.c [2019-10-13 19:21:35,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226628575/0e554df5488d4831b07e28bfc102d8ab/FLAG0785b4845 [2019-10-13 19:21:36,035 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:21:36,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product03.cil.c [2019-10-13 19:21:36,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226628575/0e554df5488d4831b07e28bfc102d8ab/FLAG0785b4845 [2019-10-13 19:21:36,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226628575/0e554df5488d4831b07e28bfc102d8ab [2019-10-13 19:21:36,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:21:36,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:21:36,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:21:36,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:21:36,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:21:36,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:36" (1/1) ... [2019-10-13 19:21:36,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4ad246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:36, skipping insertion in model container [2019-10-13 19:21:36,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:36" (1/1) ... [2019-10-13 19:21:36,260 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:21:36,343 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:21:37,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:21:37,103 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:21:37,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:21:37,350 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:21:37,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37 WrapperNode [2019-10-13 19:21:37,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:21:37,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:21:37,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:21:37,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:21:37,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:21:37,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:21:37,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:21:37,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:21:37,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:21:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:21:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:21:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:21:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:21:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:21:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:21:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:21:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:21:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:21:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:21:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:21:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:21:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:21:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:21:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:21:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:21:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:21:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:21:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:21:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:21:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:21:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:21:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:21:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:21:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:21:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:21:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:21:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:21:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:21:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:21:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:21:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:21:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:21:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:21:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:21:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:21:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:21:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:21:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:21:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:21:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:21:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:21:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:21:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:21:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:21:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:21:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:21:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:21:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:21:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:21:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:21:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:21:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:21:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:21:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:21:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:21:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:21:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__base [2019-10-13 19:21:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:21:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:21:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:21:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__base [2019-10-13 19:21:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:21:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:21:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:21:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:21:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:21:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:21:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:21:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:21:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:21:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:21:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:21:37,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:21:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:21:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:21:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:21:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:21:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:21:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:21:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:21:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:21:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:21:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:21:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:21:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:21:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:21:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:21:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:21:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:21:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:21:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:21:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:21:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:21:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:21:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:21:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:21:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:21:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:21:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:21:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:21:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:21:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:21:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:21:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:21:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:21:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:21:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:21:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:21:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:21:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:21:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:21:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:21:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:21:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:21:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:21:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:21:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:21:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:21:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:21:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:21:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:21:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:21:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:21:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:21:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:21:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:21:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:21:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:21:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:21:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:21:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:21:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:21:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:21:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:21:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:21:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:21:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:21:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:21:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:21:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:21:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:21:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:21:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:21:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:21:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:21:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:21:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:21:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:21:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:21:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:21:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:21:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:21:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__base [2019-10-13 19:21:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:21:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:21:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__base [2019-10-13 19:21:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:21:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:21:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:21:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:21:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:21:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:21:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:21:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:21:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:21:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:21:40,218 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:21:40,219 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:21:40,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:40 BoogieIcfgContainer [2019-10-13 19:21:40,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:21:40,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:21:40,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:21:40,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:21:40,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:21:36" (1/3) ... [2019-10-13 19:21:40,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d57fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:40, skipping insertion in model container [2019-10-13 19:21:40,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (2/3) ... [2019-10-13 19:21:40,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d57fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:40, skipping insertion in model container [2019-10-13 19:21:40,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:40" (3/3) ... [2019-10-13 19:21:40,230 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product03.cil.c [2019-10-13 19:21:40,240 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:21:40,250 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:21:40,261 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:21:40,292 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:21:40,292 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:21:40,292 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:21:40,292 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:21:40,293 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:21:40,293 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:21:40,293 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:21:40,293 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:21:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states. [2019-10-13 19:21:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 19:21:40,359 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:40,366 INFO L380 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] [2019-10-13 19:21:40,368 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:40,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:40,373 INFO L82 PathProgramCache]: Analyzing trace with hash 370351368, now seen corresponding path program 1 times [2019-10-13 19:21:40,383 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:40,383 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401305001] [2019-10-13 19:21:40,384 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:40,384 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:40,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,908 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:21:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,197 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:21:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,403 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:21:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,731 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:21:42,731 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401305001] [2019-10-13 19:21:42,732 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:21:42,732 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:21:42,732 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752776296] [2019-10-13 19:21:42,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:21:42,737 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:42,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:21:42,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:21:42,757 INFO L87 Difference]: Start difference. First operand 749 states. Second operand 10 states. [2019-10-13 19:21:43,754 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:21:44,682 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:21:45,520 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-10-13 19:21:47,437 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:21:52,328 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:22:08,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:22:08,072 INFO L93 Difference]: Finished difference Result 1713 states and 3080 transitions. [2019-10-13 19:22:08,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:22:08,078 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2019-10-13 19:22:08,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:22:08,113 INFO L225 Difference]: With dead ends: 1713 [2019-10-13 19:22:08,113 INFO L226 Difference]: Without dead ends: 1113 [2019-10-13 19:22:08,127 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:22:08,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2019-10-13 19:22:08,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 589. [2019-10-13 19:22:08,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-10-13 19:22:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 945 transitions. [2019-10-13 19:22:08,427 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 945 transitions. Word has length 133 [2019-10-13 19:22:08,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:22:08,427 INFO L462 AbstractCegarLoop]: Abstraction has 589 states and 945 transitions. [2019-10-13 19:22:08,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:22:08,428 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 945 transitions. [2019-10-13 19:22:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 19:22:08,437 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:08,437 INFO L380 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] [2019-10-13 19:22:08,437 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:08,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:08,438 INFO L82 PathProgramCache]: Analyzing trace with hash -743808276, now seen corresponding path program 1 times [2019-10-13 19:22:08,438 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:08,438 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015215004] [2019-10-13 19:22:08,439 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:08,439 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:08,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,405 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:22:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,659 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:22:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:10,083 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:22:10,083 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015215004] [2019-10-13 19:22:10,084 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:10,084 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:22:10,084 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664114116] [2019-10-13 19:22:10,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:22:10,099 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:10,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:22:10,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:22:10,100 INFO L87 Difference]: Start difference. First operand 589 states and 945 transitions. Second operand 10 states. [2019-10-13 19:22:10,940 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:22:11,853 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:22:12,690 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-10-13 19:22:14,506 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 127