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_spec3_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:22:39,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:22:39,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:22:39,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:22:39,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:22:39,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:22:39,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:22:39,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:22:39,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:22:39,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:22:39,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:22:39,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:22:39,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:22:39,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:22:39,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:22:39,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:22:39,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:22:39,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:22:39,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:22:39,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:22:39,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:22:39,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:22:39,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:22:39,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:22:39,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:22:39,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:22:39,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:22:39,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:22:39,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:22:39,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:22:39,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:22:39,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:22:39,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:22:39,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:22:39,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:22:39,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:22:39,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:22:39,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:22:39,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:22:39,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:22:39,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:22:39,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:22:39,147 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:22:39,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:22:39,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:22:39,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:22:39,149 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:22:39,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:22:39,149 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:22:39,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:22:39,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:22:39,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:22:39,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:22:39,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:22:39,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:22:39,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:22:39,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:22:39,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:22:39,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:22:39,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:22:39,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:22:39,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:22:39,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:22:39,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:22:39,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:22:39,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:22:39,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:22:39,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:22:39,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:22:39,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:22:39,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:22:39,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:22:39,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:22:39,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:22:39,497 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:22:39,498 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:22:39,498 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product31.cil.c [2019-10-14 23:22:39,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3170ec28/7ec72e545b984708b750b1f054f90bde/FLAG79e2534f7 [2019-10-14 23:22:40,229 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:22:40,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product31.cil.c [2019-10-14 23:22:40,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3170ec28/7ec72e545b984708b750b1f054f90bde/FLAG79e2534f7 [2019-10-14 23:22:40,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3170ec28/7ec72e545b984708b750b1f054f90bde [2019-10-14 23:22:40,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:22:40,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:22:40,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:40,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:22:40,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:22:40,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:40" (1/1) ... [2019-10-14 23:22:40,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319c2be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:40, skipping insertion in model container [2019-10-14 23:22:40,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:40" (1/1) ... [2019-10-14 23:22:40,449 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:22:40,526 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:22:41,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:41,349 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:22:41,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:41,611 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:22:41,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:41 WrapperNode [2019-10-14 23:22:41,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:41,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:22:41,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:22:41,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:22:41,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:41" (1/1) ... [2019-10-14 23:22:41,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:41" (1/1) ... [2019-10-14 23:22:41,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:41" (1/1) ... [2019-10-14 23:22:41,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:41" (1/1) ... [2019-10-14 23:22:41,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:41" (1/1) ... [2019-10-14 23:22:41,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:41" (1/1) ... [2019-10-14 23:22:41,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:41" (1/1) ... [2019-10-14 23:22:41,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:22:41,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:22:41,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:22:41,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:22:41,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:22:41,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:22:41,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:22:41,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:22:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:22:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:22:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:22:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:22:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:22:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:22:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:22:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:22:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:22:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:22:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:22:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:22:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:22:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:22:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:22:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:22:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:22:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:22:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:22:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:22:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:22:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:22:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:22:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:22:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:22:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:22:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:22:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:22:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:22:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:22:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:22:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:22:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:22:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:22:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:22:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:22:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:22:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:22:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:22:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:22:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:22:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:22:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:22:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:22:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:22:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:22:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:22:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:22:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:22:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:22:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:22:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:22:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:22:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:22:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:22:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:22:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:22:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:22:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:22:41,913 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:22:41,913 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:22:41,913 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:22:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:22:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:22:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:22:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:22:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:22:41,915 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:22:41,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:22:41,915 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:22:41,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:22:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:22:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:22:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:22:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:22:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:22:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:22:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:22:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:22:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:22:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:22:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:22:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:22:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:22:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:22:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:22:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:22:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:22:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:22:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:22:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:22:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:22:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:22:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:22:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:22:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:22:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:22:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:22:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:22:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:22:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:22:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:22:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:22:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:22:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:22:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:22:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:22:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:22:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:22:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:22:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:22:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:22:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:22:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:22:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:22:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:22:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:22:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:22:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:22:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:22:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:22:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:22:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:22:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:22:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:22:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:22:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:22:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:22:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:22:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:22:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:22:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:22:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:22:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:22:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:22:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:22:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:22:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:22:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:22:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:22:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:22:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:22:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:22:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:22:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:22:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:22:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:22:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:22:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:22:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:22:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:22:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:22:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:22:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:22:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:22:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:22:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:22:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:22:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:22:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:22:44,630 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:22:44,631 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:22:44,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:44 BoogieIcfgContainer [2019-10-14 23:22:44,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:22:44,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:22:44,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:22:44,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:22:44,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:22:40" (1/3) ... [2019-10-14 23:22:44,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535e89e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:44, skipping insertion in model container [2019-10-14 23:22:44,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:41" (2/3) ... [2019-10-14 23:22:44,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535e89e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:44, skipping insertion in model container [2019-10-14 23:22:44,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:44" (3/3) ... [2019-10-14 23:22:44,643 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product31.cil.c [2019-10-14 23:22:44,654 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:22:44,666 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:22:44,678 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:22:44,726 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:22:44,726 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:22:44,726 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:22:44,727 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:22:44,727 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:22:44,727 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:22:44,727 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:22:44,727 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:22:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states. [2019-10-14 23:22:44,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-14 23:22:44,803 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:44,805 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1] [2019-10-14 23:22:44,807 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:44,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:44,813 INFO L82 PathProgramCache]: Analyzing trace with hash -734738765, now seen corresponding path program 1 times [2019-10-14 23:22:44,826 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:44,826 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017272471] [2019-10-14 23:22:44,827 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:44,827 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:44,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,466 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:22:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,704 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:22:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,852 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:22:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,260 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-14 23:22:47,261 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017272471] [2019-10-14 23:22:47,262 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:47,262 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:22:47,262 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664577524] [2019-10-14 23:22:47,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:22:47,268 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:47,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:22:47,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:22:47,285 INFO L87 Difference]: Start difference. First operand 837 states. Second operand 13 states. [2019-10-14 23:22:48,697 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-14 23:22:49,666 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-14 23:22:50,611 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-14 23:22:51,466 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-14 23:22:52,442 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-14 23:22:53,324 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2019-10-14 23:22:56,935 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-14 23:23:01,794 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-14 23:23:15,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:23:15,942 INFO L93 Difference]: Finished difference Result 1730 states and 3006 transitions. [2019-10-14 23:23:15,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-14 23:23:15,945 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 141 [2019-10-14 23:23:15,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:23:15,982 INFO L225 Difference]: With dead ends: 1730 [2019-10-14 23:23:15,982 INFO L226 Difference]: Without dead ends: 1047 [2019-10-14 23:23:15,997 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930 [2019-10-14 23:23:16,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2019-10-14 23:23:16,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 683. [2019-10-14 23:23:16,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2019-10-14 23:23:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1078 transitions. [2019-10-14 23:23:16,290 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1078 transitions. Word has length 141 [2019-10-14 23:23:16,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:23:16,291 INFO L462 AbstractCegarLoop]: Abstraction has 683 states and 1078 transitions. [2019-10-14 23:23:16,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 23:23:16,291 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1078 transitions. [2019-10-14 23:23:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-14 23:23:16,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:16,302 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1] [2019-10-14 23:23:16,303 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:16,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:16,303 INFO L82 PathProgramCache]: Analyzing trace with hash -843585886, now seen corresponding path program 1 times [2019-10-14 23:23:16,303 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:16,304 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321597494] [2019-10-14 23:23:16,304 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:16,304 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:16,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,234 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:23:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,432 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:23:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-14 23:23:17,798 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321597494] [2019-10-14 23:23:17,799 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:17,799 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:23:17,799 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455070243] [2019-10-14 23:23:17,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:23:17,802 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:17,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:23:17,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:23:17,802 INFO L87 Difference]: Start difference. First operand 683 states and 1078 transitions. Second operand 10 states.