java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:23:18,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:23:18,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:23:18,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:23:18,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:23:18,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:23:18,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:23:18,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:23:18,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:23:18,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:23:18,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:23:18,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:23:18,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:23:18,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:23:18,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:23:18,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:23:18,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:23:18,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:23:18,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:23:18,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:23:18,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:23:18,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:23:18,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:23:18,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:23:18,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:23:18,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:23:18,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:23:18,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:23:18,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:23:18,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:23:18,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:23:18,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:23:18,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:23:18,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:23:18,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:23:18,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:23:18,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:23:18,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:23:18,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:23:18,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:23:18,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:23:18,438 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 [2019-10-14 23:23:18,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:23:18,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:23:18,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:23:18,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:23:18,475 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:23:18,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:23:18,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:23:18,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:23:18,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:23:18,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:23:18,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:23:18,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:23:18,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:23:18,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:23:18,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:23:18,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:23:18,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:23:18,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:23:18,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:23:18,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:23:18,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:23:18,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:23:18,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:23:18,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:23:18,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:23:18,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:23:18,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:23:18,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:23:18,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:23:18,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:23:18,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:23:18,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:23:18,778 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:23:18,778 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:23:18,779 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product32.cil.c [2019-10-14 23:23:18,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8551825/a32330fed31545148ea8da25a809336f/FLAGad6ed8e69 [2019-10-14 23:23:19,508 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:23:19,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product32.cil.c [2019-10-14 23:23:19,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8551825/a32330fed31545148ea8da25a809336f/FLAGad6ed8e69 [2019-10-14 23:23:19,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8551825/a32330fed31545148ea8da25a809336f [2019-10-14 23:23:19,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:23:19,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:23:19,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:23:19,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:23:19,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:23:19,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:23:19" (1/1) ... [2019-10-14 23:23:19,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4771d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:19, skipping insertion in model container [2019-10-14 23:23:19,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:23:19" (1/1) ... [2019-10-14 23:23:19,757 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:23:19,840 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:23:20,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:23:20,509 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:23:20,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:23:20,719 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:23:20,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:20 WrapperNode [2019-10-14 23:23:20,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:23:20,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:23:20,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:23:20,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:23:20,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:20" (1/1) ... [2019-10-14 23:23:20,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:20" (1/1) ... [2019-10-14 23:23:20,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:20" (1/1) ... [2019-10-14 23:23:20,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:20" (1/1) ... [2019-10-14 23:23:20,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:20" (1/1) ... [2019-10-14 23:23:20,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:20" (1/1) ... [2019-10-14 23:23:20,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:20" (1/1) ... [2019-10-14 23:23:20,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:23:20,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:23:20,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:23:20,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:23:20,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:20" (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 [2019-10-14 23:23:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:23:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:23:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:23:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:23:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:23:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:23:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:23:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:23:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:23:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:23:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:23:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:23:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:23:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-14 23:23:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-14 23:23:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-14 23:23:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-14 23:23:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:23:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:23:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:23:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:23:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:23:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:23:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:23:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:23:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:23:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:23:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:23:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:23:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:23:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:23:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:23:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:23:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:23:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:23:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:23:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:23:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:23:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:23:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:23:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:23:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:23:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:23:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:23:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-14 23:23:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:23:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-14 23:23:21,055 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:23:21,055 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:23:21,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:23:21,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:23:21,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:23:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:23:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:23:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:23:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:23:21,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:23:21,057 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:23:21,057 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:23:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:23:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:23:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:23:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:23:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:23:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:23:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:23:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:23:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:23:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:23:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:23:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:23:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:23:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:23:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:23:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:23:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:23:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:23:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:23:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:23:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:23:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:23:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:23:21,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:23:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:23:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:23:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:23:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:23:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:23:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:23:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:23:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:23:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:23:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:23:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:23:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:23:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:23:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:23:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:23:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:23:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:23:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-14 23:23:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-14 23:23:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-14 23:23:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-14 23:23:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:23:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:23:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:23:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:23:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:23:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:23:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:23:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:23:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:23:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:23:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:23:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:23:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:23:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:23:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:23:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:23:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:23:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:23:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:23:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:23:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:23:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:23:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:23:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:23:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:23:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:23:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:23:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:23:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:23:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:23:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:23:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-14 23:23:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-14 23:23:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:23:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:23:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:23:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:23:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:23:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:23:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:23:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:23:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:23:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:23:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:23:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:23:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:23:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:23:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:23:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:23:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:23:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:23:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:23:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:23:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:23:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:23:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:23:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:23:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:23:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:23:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:23:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:23:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:23:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:23:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:23:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:23:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:23:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:23:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:23:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:23:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:23:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:23:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:23:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:23:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:23:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:23:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:23:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:23:23,569 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:23:23,569 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:23:23,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:23:23 BoogieIcfgContainer [2019-10-14 23:23:23,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:23:23,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:23:23,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:23:23,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:23:23,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:23:19" (1/3) ... [2019-10-14 23:23:23,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346f6c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:23:23, skipping insertion in model container [2019-10-14 23:23:23,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:20" (2/3) ... [2019-10-14 23:23:23,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346f6c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:23:23, skipping insertion in model container [2019-10-14 23:23:23,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:23:23" (3/3) ... [2019-10-14 23:23:23,580 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product32.cil.c [2019-10-14 23:23:23,591 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:23:23,600 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:23:23,612 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:23:23,659 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:23:23,659 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:23:23,659 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:23:23,659 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:23:23,659 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:23:23,660 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:23:23,660 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:23:23,660 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:23:23,704 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states. [2019-10-14 23:23:23,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-14 23:23:23,729 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:23,731 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:23:23,734 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:23,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:23,741 INFO L82 PathProgramCache]: Analyzing trace with hash 165755889, now seen corresponding path program 1 times [2019-10-14 23:23:23,752 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:23,752 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801528037] [2019-10-14 23:23:23,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:23,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:23,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:25,603 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:23:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:25,955 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:23:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:23:26,344 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801528037] [2019-10-14 23:23:26,345 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:26,346 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:23:26,346 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076554860] [2019-10-14 23:23:26,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:23:26,351 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:26,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:23:26,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:23:26,366 INFO L87 Difference]: Start difference. First operand 824 states. Second operand 9 states. [2019-10-14 23:23:28,193 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-10-14 23:23:29,098 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-10-14 23:23:30,613 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:23:51,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:23:51,035 INFO L93 Difference]: Finished difference Result 1748 states and 3002 transitions. [2019-10-14 23:23:51,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:23:51,038 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2019-10-14 23:23:51,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:23:51,073 INFO L225 Difference]: With dead ends: 1748 [2019-10-14 23:23:51,073 INFO L226 Difference]: Without dead ends: 1095 [2019-10-14 23:23:51,084 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:23:51,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2019-10-14 23:23:51,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 657. [2019-10-14 23:23:51,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2019-10-14 23:23:51,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1037 transitions. [2019-10-14 23:23:51,368 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1037 transitions. Word has length 87 [2019-10-14 23:23:51,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:23:51,368 INFO L462 AbstractCegarLoop]: Abstraction has 657 states and 1037 transitions. [2019-10-14 23:23:51,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:23:51,369 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1037 transitions. [2019-10-14 23:23:51,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-14 23:23:51,374 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:51,374 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:23:51,375 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:51,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:51,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1802747224, now seen corresponding path program 1 times [2019-10-14 23:23:51,375 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:51,376 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317899692] [2019-10-14 23:23:51,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:51,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:51,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,357 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:23:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,636 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:23:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:23:52,972 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317899692] [2019-10-14 23:23:52,973 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:52,973 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:23:52,973 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531886581] [2019-10-14 23:23:52,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:23:52,985 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:52,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:23:52,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:23:52,986 INFO L87 Difference]: Start difference. First operand 657 states and 1037 transitions. Second operand 9 states. [2019-10-14 23:23:54,656 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-10-14 23:23:55,530 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-10-14 23:23:56,907 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 121