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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:51,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:51,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:51,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:51,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:51,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:51,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:51,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:51,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:51,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:51,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:51,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:51,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:51,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:51,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:51,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:51,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:51,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:51,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:51,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:51,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:51,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:51,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:51,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:51,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:51,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:51,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:51,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:51,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:51,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:51,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:51,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:51,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:51,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:51,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:51,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:51,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:51,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:51,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:51,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:51,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:51,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:23:51,619 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:51,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:51,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:51,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:51,624 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:51,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:51,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:51,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:51,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:51,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:51,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:51,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:51,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:51,626 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:51,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:51,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:51,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:51,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:51,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:51,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:51,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:51,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:51,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:51,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:51,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:51,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:51,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:51,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:51,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:51,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:51,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:51,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:51,930 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:51,930 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:51,931 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product28.cil.c [2019-10-13 19:23:52,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e1dd628/ebba869016b74c549e61a749e92b9e58/FLAGcb1ef577b [2019-10-13 19:23:52,702 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:52,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product28.cil.c [2019-10-13 19:23:52,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e1dd628/ebba869016b74c549e61a749e92b9e58/FLAGcb1ef577b [2019-10-13 19:23:52,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e1dd628/ebba869016b74c549e61a749e92b9e58 [2019-10-13 19:23:52,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:52,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:52,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:52,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:52,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:52,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:52" (1/1) ... [2019-10-13 19:23:52,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a78272c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:52, skipping insertion in model container [2019-10-13 19:23:52,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:52" (1/1) ... [2019-10-13 19:23:52,895 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:52,991 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:53,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:53,799 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:53,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:54,055 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:54,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:54 WrapperNode [2019-10-13 19:23:54,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:54,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:54,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:54,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:54,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:54" (1/1) ... [2019-10-13 19:23:54,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:54" (1/1) ... [2019-10-13 19:23:54,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:54" (1/1) ... [2019-10-13 19:23:54,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:54" (1/1) ... [2019-10-13 19:23:54,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:54" (1/1) ... [2019-10-13 19:23:54,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:54" (1/1) ... [2019-10-13 19:23:54,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:54" (1/1) ... [2019-10-13 19:23:54,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:54,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:54,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:54,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:54,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:54,337 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:54,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:54,337 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:54,337 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:54,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:54,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:54,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:54,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:54,338 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:54,340 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:54,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-13 19:23:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-13 19:23:54,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:54,348 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:54,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:23:54,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:23:54,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:54,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:23:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:23:54,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:23:54,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:23:54,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:54,351 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:54,351 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:54,351 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:54,352 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:54,352 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:54,352 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:54,353 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:54,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:54,353 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:54,353 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:54,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:54,355 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:54,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:54,355 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:54,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:54,361 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:54,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:54,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:54,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:54,361 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:23:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:23:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:23:54,366 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:54,366 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:54,366 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:54,366 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:54,367 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:54,367 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:54,369 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:54,369 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:54,369 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-13 19:23:54,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:23:54,370 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-13 19:23:54,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:54,370 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:54,370 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:54,370 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:54,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:54,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:54,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:23:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:23:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:56,649 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:56,649 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:56,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:56 BoogieIcfgContainer [2019-10-13 19:23:56,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:56,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:56,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:56,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:56,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:52" (1/3) ... [2019-10-13 19:23:56,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d86774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:56, skipping insertion in model container [2019-10-13 19:23:56,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:54" (2/3) ... [2019-10-13 19:23:56,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d86774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:56, skipping insertion in model container [2019-10-13 19:23:56,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:56" (3/3) ... [2019-10-13 19:23:56,663 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product28.cil.c [2019-10-13 19:23:56,673 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:56,684 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:56,695 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:56,735 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:56,735 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:56,735 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:56,735 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:56,735 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:56,736 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:56,736 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:56,736 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:56,778 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states. [2019-10-13 19:23:56,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 19:23:56,790 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:56,791 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] [2019-10-13 19:23:56,793 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:56,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:56,798 INFO L82 PathProgramCache]: Analyzing trace with hash 961296188, now seen corresponding path program 1 times [2019-10-13 19:23:56,807 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:56,807 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781248925] [2019-10-13 19:23:56,807 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:56,808 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:56,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,570 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 400 [2019-10-13 19:23:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,002 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-13 19:23:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,175 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:23:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:23:59,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781248925] [2019-10-13 19:23:59,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:59,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:23:59,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433591204] [2019-10-13 19:23:59,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:23:59,397 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:59,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:23:59,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:23:59,413 INFO L87 Difference]: Start difference. First operand 793 states. Second operand 9 states. [2019-10-13 19:24:01,575 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 403 [2019-10-13 19:24:02,824 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 405 [2019-10-13 19:24:04,571 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:24:28,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:24:28,905 INFO L93 Difference]: Finished difference Result 1686 states and 2916 transitions. [2019-10-13 19:24:28,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:24:28,907 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2019-10-13 19:24:28,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:24:28,943 INFO L225 Difference]: With dead ends: 1686 [2019-10-13 19:24:28,944 INFO L226 Difference]: Without dead ends: 1064 [2019-10-13 19:24:28,955 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:24:28,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2019-10-13 19:24:29,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 626. [2019-10-13 19:24:29,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2019-10-13 19:24:29,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 994 transitions. [2019-10-13 19:24:29,252 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 994 transitions. Word has length 87 [2019-10-13 19:24:29,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:24:29,253 INFO L462 AbstractCegarLoop]: Abstraction has 626 states and 994 transitions. [2019-10-13 19:24:29,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 19:24:29,253 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 994 transitions. [2019-10-13 19:24:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-13 19:24:29,259 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:29,260 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] [2019-10-13 19:24:29,260 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:29,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:29,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1704388894, now seen corresponding path program 1 times [2019-10-13 19:24:29,261 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:29,261 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923081573] [2019-10-13 19:24:29,261 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:29,261 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:29,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:30,705 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 400 [2019-10-13 19:24:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:31,095 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-13 19:24:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:31,278 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:24:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:31,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:24:31,467 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923081573] [2019-10-13 19:24:31,467 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:24:31,468 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:24:31,468 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197937455] [2019-10-13 19:24:31,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:24:31,470 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:24:31,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:24:31,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:24:31,471 INFO L87 Difference]: Start difference. First operand 626 states and 994 transitions. Second operand 9 states. [2019-10-13 19:24:33,547 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 403