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_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:21:35,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:21:35,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:21:36,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:21:36,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:21:36,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:21:36,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:21:36,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:21:36,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:21:36,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:21:36,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:21:36,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:21:36,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:21:36,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:21:36,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:21:36,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:21:36,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:21:36,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:21:36,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:21:36,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:21:36,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:21:36,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:21:36,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:21:36,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:21:36,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:21:36,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:21:36,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:21:36,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:21:36,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:21:36,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:21:36,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:21:36,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:21:36,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:21:36,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:21:36,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:21:36,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:21:36,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:21:36,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:21:36,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:21:36,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:21:36,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:21:36,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:21:36,103 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:21:36,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:21:36,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:21:36,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:21:36,105 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:21:36,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:21:36,106 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:21:36,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:21:36,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:21:36,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:21:36,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:21:36,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:21:36,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:21:36,107 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:21:36,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:21:36,107 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:21:36,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:21:36,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:21:36,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:21:36,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:21:36,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:21:36,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:21:36,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:21:36,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:21:36,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:21:36,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:21:36,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:21:36,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:21:36,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:21:36,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:21:36,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:21:36,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:21:36,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:21:36,385 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:21:36,386 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product11.cil.c [2019-10-13 19:21:36,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87322a5eb/48bae2b80e8d4fdaa0938c2165ab6550/FLAGc8feb386f [2019-10-13 19:21:37,071 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:21:37,074 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product11.cil.c [2019-10-13 19:21:37,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87322a5eb/48bae2b80e8d4fdaa0938c2165ab6550/FLAGc8feb386f [2019-10-13 19:21:37,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87322a5eb/48bae2b80e8d4fdaa0938c2165ab6550 [2019-10-13 19:21:37,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:21:37,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:21:37,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:21:37,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:21:37,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:21:37,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4771d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37, skipping insertion in model container [2019-10-13 19:21:37,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,320 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:21:37,397 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:21:38,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:21:38,150 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:21:38,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:21:38,395 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:21:38,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:38 WrapperNode [2019-10-13 19:21:38,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:21:38,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:21:38,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:21:38,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:21:38,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:38" (1/1) ... [2019-10-13 19:21:38,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:38" (1/1) ... [2019-10-13 19:21:38,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:38" (1/1) ... [2019-10-13 19:21:38,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:38" (1/1) ... [2019-10-13 19:21:38,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:38" (1/1) ... [2019-10-13 19:21:38,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:38" (1/1) ... [2019-10-13 19:21:38,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:38" (1/1) ... [2019-10-13 19:21:38,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:21:38,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:21:38,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:21:38,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:21:38,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:21:38,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:21:38,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:21:38,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:21:38,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:21:38,651 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:21:38,651 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:21:38,652 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:21:38,652 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:21:38,652 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:21:38,652 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:21:38,653 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:21:38,653 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:21:38,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:21:38,653 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:21:38,654 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:21:38,654 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:21:38,654 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:21:38,654 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:21:38,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:21:38,655 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:21:38,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:21:38,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:21:38,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:21:38,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:21:38,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:21:38,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:21:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:21:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:21:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:21:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:21:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:21:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:21:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:21:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:21:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:21:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:21:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:21:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:21:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:21:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:21:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:21:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:21:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:21:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:21:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:21:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:21:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:21:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:21:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:21:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:21:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:21:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:21:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:21:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:21:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:21:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:21:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:21:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:21:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:21:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:21:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:21:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:21:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:21:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:21:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:21:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:21:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:21:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:21:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:21:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:21:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:21:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:21:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:21:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:21:38,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:21:38,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:21:38,666 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:21:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:21:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:21:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:21:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:21:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:21:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:21:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:21:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:21:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:21:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:21:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:21:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:21:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:21:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:21:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:21:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:21:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:21:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:21:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:21:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:21:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:21:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:21:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:21:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:21:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:21:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:21:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:21:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:21:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:21:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:21:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:21:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:21:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:21:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:21:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:21:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:21:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:21:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:21:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:21:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:21:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:21:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:21:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:21:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:21:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:21:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:21:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:21:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:21:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:21:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:21:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:21:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:21:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:21:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:21:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:21:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:21:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:21:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:21:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:21:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:21:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:21:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:21:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:21:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:21:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:21:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:21:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:21:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:21:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:21:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:21:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:21:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:21:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:21:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:21:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:21:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:21:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:21:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:21:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:21:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:21:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:21:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:21:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:21:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:21:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:21:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:21:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:21:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:21:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:21:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:21:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:21:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:21:41,211 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:21:41,212 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:21:41,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:41 BoogieIcfgContainer [2019-10-13 19:21:41,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:21:41,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:21:41,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:21:41,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:21:41,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:21:37" (1/3) ... [2019-10-13 19:21:41,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0303a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:41, skipping insertion in model container [2019-10-13 19:21:41,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:38" (2/3) ... [2019-10-13 19:21:41,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0303a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:41, skipping insertion in model container [2019-10-13 19:21:41,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:41" (3/3) ... [2019-10-13 19:21:41,226 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product11.cil.c [2019-10-13 19:21:41,238 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:21:41,250 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:21:41,263 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:21:41,305 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:21:41,305 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:21:41,305 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:21:41,305 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:21:41,305 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:21:41,305 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:21:41,306 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:21:41,306 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:21:41,352 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states. [2019-10-13 19:21:41,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 19:21:41,386 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:41,387 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:21:41,391 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:41,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:41,398 INFO L82 PathProgramCache]: Analyzing trace with hash -353986784, now seen corresponding path program 1 times [2019-10-13 19:21:41,407 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:41,407 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785407900] [2019-10-13 19:21:41,408 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:41,408 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:41,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,004 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:21:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,303 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:21:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:21:43,825 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785407900] [2019-10-13 19:21:43,826 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:21:43,827 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:21:43,827 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018631656] [2019-10-13 19:21:43,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:21:43,832 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:43,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:21:43,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:21:43,845 INFO L87 Difference]: Start difference. First operand 765 states. Second operand 10 states. [2019-10-13 19:21:44,899 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:21:45,903 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:21:46,794 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-10-13 19:21:48,817 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:21:54,044 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:22:10,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:22:10,025 INFO L93 Difference]: Finished difference Result 1750 states and 3133 transitions. [2019-10-13 19:22:10,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:22:10,027 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2019-10-13 19:22:10,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:22:10,080 INFO L225 Difference]: With dead ends: 1750 [2019-10-13 19:22:10,081 INFO L226 Difference]: Without dead ends: 1134 [2019-10-13 19:22:10,097 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:22:10,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2019-10-13 19:22:10,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 605. [2019-10-13 19:22:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2019-10-13 19:22:10,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 968 transitions. [2019-10-13 19:22:10,452 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 968 transitions. Word has length 133 [2019-10-13 19:22:10,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:22:10,453 INFO L462 AbstractCegarLoop]: Abstraction has 605 states and 968 transitions. [2019-10-13 19:22:10,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:22:10,453 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 968 transitions. [2019-10-13 19:22:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 19:22:10,460 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:10,460 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:22:10,460 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:10,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:10,461 INFO L82 PathProgramCache]: Analyzing trace with hash 253416708, now seen corresponding path program 1 times [2019-10-13 19:22:10,461 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:10,461 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492381901] [2019-10-13 19:22:10,461 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:10,462 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:10,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,513 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:22:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,742 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:22:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:22:12,150 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492381901] [2019-10-13 19:22:12,150 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:12,150 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:22:12,151 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836416217] [2019-10-13 19:22:12,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:22:12,166 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:12,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:22:12,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:22:12,167 INFO L87 Difference]: Start difference. First operand 605 states and 968 transitions. Second operand 10 states. [2019-10-13 19:22:13,133 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:22:14,016 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:22:14,872 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-10-13 19:22:16,461 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127