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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:17,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:17,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:17,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:17,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:17,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:17,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:17,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:17,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:17,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:17,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:17,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:17,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:17,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:17,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:17,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:17,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:17,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:17,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:17,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:17,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:17,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:17,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:17,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:17,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:17,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:17,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:17,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:17,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:17,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:17,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:17,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:17,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:17,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:17,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:17,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:17,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:17,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:17,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:17,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:17,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:17,332 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 23:21:17,356 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:17,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:17,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:17,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:17,358 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:17,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:17,358 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:17,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:17,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:17,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:17,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:17,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:17,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:17,359 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:17,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:17,360 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:17,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:17,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:17,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:17,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:17,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:17,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:17,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:17,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:17,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:17,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:17,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:17,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:17,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:17,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:17,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:17,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:17,654 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:17,654 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:17,655 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product27.cil.c [2019-10-14 23:21:17,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/276992872/c0d4b99b1f7540d3ace4b33887ebbe99/FLAG7228ba6ca [2019-10-14 23:21:18,404 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:18,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product27.cil.c [2019-10-14 23:21:18,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/276992872/c0d4b99b1f7540d3ace4b33887ebbe99/FLAG7228ba6ca [2019-10-14 23:21:18,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/276992872/c0d4b99b1f7540d3ace4b33887ebbe99 [2019-10-14 23:21:18,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:18,622 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:18,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:18,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:18,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:18,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:18" (1/1) ... [2019-10-14 23:21:18,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b36d77d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:18, skipping insertion in model container [2019-10-14 23:21:18,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:18" (1/1) ... [2019-10-14 23:21:18,636 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:18,713 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:19,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:19,447 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:19,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:19,627 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:19,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:19 WrapperNode [2019-10-14 23:21:19,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:19,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:19,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:19,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:19,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:19" (1/1) ... [2019-10-14 23:21:19,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:19" (1/1) ... [2019-10-14 23:21:19,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:19" (1/1) ... [2019-10-14 23:21:19,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:19" (1/1) ... [2019-10-14 23:21:19,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:19" (1/1) ... [2019-10-14 23:21:19,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:19" (1/1) ... [2019-10-14 23:21:19,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:19" (1/1) ... [2019-10-14 23:21:19,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:19,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:19,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:19,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:19,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:19" (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 23:21:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:21:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:21:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:21:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:21:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:21:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:21:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:21:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:21:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:22,457 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:22,457 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:22,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:22 BoogieIcfgContainer [2019-10-14 23:21:22,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:22,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:22,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:22,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:22,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:18" (1/3) ... [2019-10-14 23:21:22,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33037cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:22, skipping insertion in model container [2019-10-14 23:21:22,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:19" (2/3) ... [2019-10-14 23:21:22,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33037cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:22, skipping insertion in model container [2019-10-14 23:21:22,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:22" (3/3) ... [2019-10-14 23:21:22,471 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product27.cil.c [2019-10-14 23:21:22,481 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:22,492 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:22,505 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:22,545 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:22,545 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:22,545 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:22,545 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:22,546 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:22,546 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:22,546 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:22,546 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states. [2019-10-14 23:21:22,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-14 23:21:22,626 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:22,628 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] [2019-10-14 23:21:22,630 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:22,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:22,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1054134663, now seen corresponding path program 1 times [2019-10-14 23:21:22,643 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:22,643 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920047322] [2019-10-14 23:21:22,644 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:22,644 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:22,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,261 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,583 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:21:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-14 23:21:25,149 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920047322] [2019-10-14 23:21:25,150 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:25,150 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:21:25,151 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827669503] [2019-10-14 23:21:25,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:21:25,157 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:25,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:21:25,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:21:25,175 INFO L87 Difference]: Start difference. First operand 786 states. Second operand 10 states. [2019-10-14 23:21:27,272 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-14 23:21:28,168 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-14 23:21:30,014 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-14 23:21:35,137 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:21:48,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:21:48,676 INFO L93 Difference]: Finished difference Result 1791 states and 3142 transitions. [2019-10-14 23:21:48,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-14 23:21:48,680 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2019-10-14 23:21:48,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:21:48,716 INFO L225 Difference]: With dead ends: 1791 [2019-10-14 23:21:48,716 INFO L226 Difference]: Without dead ends: 1154 [2019-10-14 23:21:48,728 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-14 23:21:48,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2019-10-14 23:21:49,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 626. [2019-10-14 23:21:49,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2019-10-14 23:21:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 996 transitions. [2019-10-14 23:21:49,052 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 996 transitions. Word has length 133 [2019-10-14 23:21:49,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:21:49,053 INFO L462 AbstractCegarLoop]: Abstraction has 626 states and 996 transitions. [2019-10-14 23:21:49,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:21:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 996 transitions. [2019-10-14 23:21:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-14 23:21:49,065 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:49,066 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] [2019-10-14 23:21:49,066 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:49,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:49,066 INFO L82 PathProgramCache]: Analyzing trace with hash 545110777, now seen corresponding path program 1 times [2019-10-14 23:21:49,067 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:49,067 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990155812] [2019-10-14 23:21:49,067 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:49,067 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:49,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,009 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,332 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:21:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,743 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-14 23:21:50,743 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990155812] [2019-10-14 23:21:50,743 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:50,744 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:21:50,744 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896270906] [2019-10-14 23:21:50,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:21:50,749 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:50,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:21:50,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:21:50,749 INFO L87 Difference]: Start difference. First operand 626 states and 996 transitions. Second operand 10 states. [2019-10-14 23:21:51,595 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:21:52,472 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-14 23:21:53,374 WARN L191 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-14 23:21:55,126 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 127