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_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:03,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:03,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:03,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:03,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:03,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:03,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:03,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:03,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:03,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:03,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:03,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:03,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:03,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:03,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:03,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:03,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:03,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:03,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:03,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:03,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:03,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:03,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:03,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:03,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:03,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:03,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:03,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:03,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:03,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:03,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:03,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:03,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:03,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:03,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:03,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:03,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:03,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:03,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:03,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:03,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:03,592 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 19:23:03,606 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:03,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:03,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:03,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:03,608 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:03,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:03,610 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:03,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:03,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:03,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:03,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:03,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:03,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:03,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:03,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:03,612 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:03,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:03,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:03,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:03,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:03,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:03,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:03,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:03,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:03,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:03,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:03,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:03,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:03,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:03,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:03,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:03,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:03,904 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:03,905 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:03,906 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product21.cil.c [2019-10-13 19:23:03,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ae35edb/4097b46172af420aac9b1fd9e8501c26/FLAG7e4851d3b [2019-10-13 19:23:04,670 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:04,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product21.cil.c [2019-10-13 19:23:04,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ae35edb/4097b46172af420aac9b1fd9e8501c26/FLAG7e4851d3b [2019-10-13 19:23:04,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ae35edb/4097b46172af420aac9b1fd9e8501c26 [2019-10-13 19:23:04,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:04,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:04,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:04,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:04,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:04,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:04" (1/1) ... [2019-10-13 19:23:04,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ba0ecdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:04, skipping insertion in model container [2019-10-13 19:23:04,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:04" (1/1) ... [2019-10-13 19:23:04,884 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:04,967 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:05,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:05,692 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:05,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:05,873 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:05,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:05 WrapperNode [2019-10-13 19:23:05,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:05,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:05,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:05,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:05,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:05" (1/1) ... [2019-10-13 19:23:05,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:05" (1/1) ... [2019-10-13 19:23:05,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:05" (1/1) ... [2019-10-13 19:23:05,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:05" (1/1) ... [2019-10-13 19:23:05,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:05" (1/1) ... [2019-10-13 19:23:06,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:05" (1/1) ... [2019-10-13 19:23:06,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:05" (1/1) ... [2019-10-13 19:23:06,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:06,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:06,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:06,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:06,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:05" (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 19:23:06,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:06,147 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:06,147 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:06,147 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:06,147 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:06,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:06,148 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:06,148 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:06,149 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:06,149 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:06,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:06,149 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:06,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:23:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:06,152 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:06,152 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:23:06,152 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:06,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:06,152 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:06,153 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:06,153 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:06,153 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:06,153 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:06,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:06,154 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:06,154 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:06,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:06,154 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:06,154 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:06,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:06,155 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:06,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:06,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:06,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:06,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:06,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:06,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:06,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:06,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:06,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:06,157 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:06,157 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:06,157 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:06,157 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:23:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:23:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:08,761 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:08,762 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:08,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:08 BoogieIcfgContainer [2019-10-13 19:23:08,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:08,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:08,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:08,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:08,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:04" (1/3) ... [2019-10-13 19:23:08,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b5f4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:08, skipping insertion in model container [2019-10-13 19:23:08,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:05" (2/3) ... [2019-10-13 19:23:08,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b5f4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:08, skipping insertion in model container [2019-10-13 19:23:08,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:08" (3/3) ... [2019-10-13 19:23:08,774 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product21.cil.c [2019-10-13 19:23:08,786 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:08,795 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:08,807 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:08,851 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:08,851 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:08,851 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:08,851 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:08,851 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:08,852 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:08,852 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:08,852 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states. [2019-10-13 19:23:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-13 19:23:08,938 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:08,939 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:08,943 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:08,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:08,950 INFO L82 PathProgramCache]: Analyzing trace with hash -713058684, now seen corresponding path program 1 times [2019-10-13 19:23:08,960 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:08,960 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571592197] [2019-10-13 19:23:08,961 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:08,961 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:08,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:10,602 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-13 19:23:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:10,840 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:10,999 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:23:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 19:23:11,388 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571592197] [2019-10-13 19:23:11,389 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:11,389 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:23:11,389 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802544854] [2019-10-13 19:23:11,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:23:11,395 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:11,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:23:11,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:23:11,412 INFO L87 Difference]: Start difference. First operand 793 states. Second operand 13 states. [2019-10-13 19:23:12,896 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-13 19:23:13,964 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:14,905 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:15,795 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:16,764 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:17,666 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-10-13 19:23:21,728 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-13 19:23:24,488 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:23:29,155 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:23:44,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:23:44,247 INFO L93 Difference]: Finished difference Result 1637 states and 2881 transitions. [2019-10-13 19:23:44,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-13 19:23:44,250 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2019-10-13 19:23:44,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:23:44,291 INFO L225 Difference]: With dead ends: 1637 [2019-10-13 19:23:44,291 INFO L226 Difference]: Without dead ends: 998 [2019-10-13 19:23:44,304 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930 [2019-10-13 19:23:44,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2019-10-13 19:23:44,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 639. [2019-10-13 19:23:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2019-10-13 19:23:44,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1019 transitions. [2019-10-13 19:23:44,630 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1019 transitions. Word has length 132 [2019-10-13 19:23:44,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:23:44,631 INFO L462 AbstractCegarLoop]: Abstraction has 639 states and 1019 transitions. [2019-10-13 19:23:44,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-13 19:23:44,632 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1019 transitions. [2019-10-13 19:23:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 19:23:44,639 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:44,640 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:44,640 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:44,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:44,641 INFO L82 PathProgramCache]: Analyzing trace with hash 2033776308, now seen corresponding path program 1 times [2019-10-13 19:23:44,641 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:44,641 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038867379] [2019-10-13 19:23:44,641 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:44,641 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:44,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,569 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-13 19:23:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,787 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat