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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:08,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:08,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:08,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:08,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:08,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:08,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:08,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:08,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:08,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:08,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:08,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:08,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:08,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:08,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:08,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:08,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:08,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:08,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:08,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:08,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:08,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:08,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:08,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:08,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:08,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:08,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:08,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:08,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:08,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:08,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:08,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:08,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:08,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:08,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:08,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:08,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:08,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:08,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:08,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:08,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:08,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:23:08,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:08,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:08,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:08,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:08,862 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:08,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:08,863 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:08,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:08,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:08,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:08,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:08,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:08,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:08,864 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:08,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:08,864 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:08,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:08,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:08,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:08,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:08,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:08,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:08,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:08,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:08,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:08,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:08,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:08,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:08,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:09,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:09,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:09,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:09,210 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:09,211 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:09,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product27.cil.c [2019-10-13 19:23:09,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0252e2e/4051f67cbdf24faea6ce1e9cac02c218/FLAGb90ed0cfd [2019-10-13 19:23:09,997 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:09,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product27.cil.c [2019-10-13 19:23:10,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0252e2e/4051f67cbdf24faea6ce1e9cac02c218/FLAGb90ed0cfd [2019-10-13 19:23:10,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0252e2e/4051f67cbdf24faea6ce1e9cac02c218 [2019-10-13 19:23:10,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:10,257 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:10,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:10,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:10,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:10,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:10" (1/1) ... [2019-10-13 19:23:10,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259a0832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:10, skipping insertion in model container [2019-10-13 19:23:10,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:10" (1/1) ... [2019-10-13 19:23:10,272 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:10,352 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:11,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:11,071 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:11,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:11,302 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:11,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:11 WrapperNode [2019-10-13 19:23:11,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:11,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:11,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:11,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:11,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:11" (1/1) ... [2019-10-13 19:23:11,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:11" (1/1) ... [2019-10-13 19:23:11,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:11" (1/1) ... [2019-10-13 19:23:11,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:11" (1/1) ... [2019-10-13 19:23:11,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:11" (1/1) ... [2019-10-13 19:23:11,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:11" (1/1) ... [2019-10-13 19:23:11,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:11" (1/1) ... [2019-10-13 19:23:11,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:11,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:11,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:11,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:11,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:23:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:23:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:23:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:23:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:14,179 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:14,180 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:14,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:14 BoogieIcfgContainer [2019-10-13 19:23:14,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:14,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:14,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:14,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:14,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:10" (1/3) ... [2019-10-13 19:23:14,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24369f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:14, skipping insertion in model container [2019-10-13 19:23:14,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:11" (2/3) ... [2019-10-13 19:23:14,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24369f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:14, skipping insertion in model container [2019-10-13 19:23:14,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:14" (3/3) ... [2019-10-13 19:23:14,193 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product27.cil.c [2019-10-13 19:23:14,205 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:14,218 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:14,233 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:14,301 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:14,301 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:14,301 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:14,302 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:14,302 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:14,302 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:14,302 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:14,302 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:14,357 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states. [2019-10-13 19:23:14,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-13 19:23:14,390 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:14,391 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] [2019-10-13 19:23:14,395 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:14,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:14,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1573274130, now seen corresponding path program 1 times [2019-10-13 19:23:14,413 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:14,413 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459140770] [2019-10-13 19:23:14,413 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:14,413 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:14,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:15,981 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,209 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 19:23:16,809 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459140770] [2019-10-13 19:23:16,810 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:16,810 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:23:16,811 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933339990] [2019-10-13 19:23:16,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:23:16,819 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:16,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:23:16,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:23:16,836 INFO L87 Difference]: Start difference. First operand 806 states. Second operand 13 states. [2019-10-13 19:23:18,480 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-13 19:23:19,513 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:20,425 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:21,296 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:22,267 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:23,127 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2019-10-13 19:23:29,417 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:23:31,576 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:23:45,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:23:45,536 INFO L93 Difference]: Finished difference Result 1668 states and 2920 transitions. [2019-10-13 19:23:45,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-13 19:23:45,538 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 141 [2019-10-13 19:23:45,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:23:45,576 INFO L225 Difference]: With dead ends: 1668 [2019-10-13 19:23:45,576 INFO L226 Difference]: Without dead ends: 1016 [2019-10-13 19:23:45,589 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930 [2019-10-13 19:23:45,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2019-10-13 19:23:45,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 652. [2019-10-13 19:23:45,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2019-10-13 19:23:45,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 1035 transitions. [2019-10-13 19:23:45,891 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 1035 transitions. Word has length 141 [2019-10-13 19:23:45,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:23:45,892 INFO L462 AbstractCegarLoop]: Abstraction has 652 states and 1035 transitions. [2019-10-13 19:23:45,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-13 19:23:45,892 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1035 transitions. [2019-10-13 19:23:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-13 19:23:45,898 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:45,899 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] [2019-10-13 19:23:45,899 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:45,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:45,900 INFO L82 PathProgramCache]: Analyzing trace with hash 2025459655, now seen corresponding path program 1 times [2019-10-13 19:23:45,900 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:45,900 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158941180] [2019-10-13 19:23:45,900 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:45,901 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:45,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,817 WARN L191 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,030 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,155 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:23:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 19:23:47,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158941180] [2019-10-13 19:23:47,391 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:47,391 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:23:47,391 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463103167] [2019-10-13 19:23:47,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:23:47,397 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:47,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:23:47,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:23:47,397 INFO L87 Difference]: Start difference. First operand 652 states and 1035 transitions. Second operand 10 states. [2019-10-13 19:23:48,641 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 109