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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:07,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:07,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:07,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:07,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:07,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:07,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:07,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:07,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:07,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:07,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:07,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:07,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:07,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:07,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:07,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:07,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:07,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:07,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:07,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:07,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:07,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:07,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:07,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:07,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:07,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:07,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:07,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:07,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:07,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:07,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:07,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:07,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:07,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:07,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:07,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:07,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:07,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:07,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:07,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:07,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:07,660 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 19:23:07,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:07,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:07,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:07,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:07,690 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:07,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:07,691 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:07,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:07,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:07,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:07,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:07,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:07,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:07,692 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:07,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:07,692 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:07,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:07,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:07,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:07,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:07,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:07,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:07,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:07,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:07,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:07,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:07,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:07,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:07,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:07,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:07,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:07,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:07,972 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:07,973 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:07,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product25.cil.c [2019-10-13 19:23:08,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018a43ba6/d3606d3544044f3b95d065920bfe7efe/FLAGe17f0db1b [2019-10-13 19:23:08,743 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:08,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product25.cil.c [2019-10-13 19:23:08,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018a43ba6/d3606d3544044f3b95d065920bfe7efe/FLAGe17f0db1b [2019-10-13 19:23:08,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018a43ba6/d3606d3544044f3b95d065920bfe7efe [2019-10-13 19:23:08,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:08,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:08,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:08,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:08,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:08,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:08" (1/1) ... [2019-10-13 19:23:08,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9fb768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:08, skipping insertion in model container [2019-10-13 19:23:08,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:08" (1/1) ... [2019-10-13 19:23:08,884 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:08,951 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:09,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:09,652 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:09,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:09,847 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:09,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09 WrapperNode [2019-10-13 19:23:09,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:09,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:09,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:09,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:09,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:09,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:09,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:09,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:09,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:09,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:10,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:10,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:10,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:10,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:10,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:10,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (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 19:23:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:12,096 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:12,096 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:12,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:12 BoogieIcfgContainer [2019-10-13 19:23:12,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:12,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:12,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:12,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:12,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:08" (1/3) ... [2019-10-13 19:23:12,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c53d9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:12, skipping insertion in model container [2019-10-13 19:23:12,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (2/3) ... [2019-10-13 19:23:12,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c53d9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:12, skipping insertion in model container [2019-10-13 19:23:12,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:12" (3/3) ... [2019-10-13 19:23:12,106 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product25.cil.c [2019-10-13 19:23:12,115 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:12,124 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:12,135 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:12,170 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:12,170 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:12,170 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:12,171 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:12,171 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:12,171 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:12,171 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:12,171 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states. [2019-10-13 19:23:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-13 19:23:12,247 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:12,248 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:12,250 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:12,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:12,256 INFO L82 PathProgramCache]: Analyzing trace with hash 9789385, now seen corresponding path program 1 times [2019-10-13 19:23:12,262 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:12,263 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190035163] [2019-10-13 19:23:12,263 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:12,263 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:12,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:13,841 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 376 [2019-10-13 19:23:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,090 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:23:14,644 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190035163] [2019-10-13 19:23:14,645 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:14,645 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:23:14,645 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113006334] [2019-10-13 19:23:14,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:23:14,652 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:14,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:23:14,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:23:14,668 INFO L87 Difference]: Start difference. First operand 778 states. Second operand 13 states. [2019-10-13 19:23:17,245 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:18,084 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:18,899 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:19,841 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:20,670 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-10-13 19:23:25,179 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-13 19:23:31,336 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:23:45,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:23:45,378 INFO L93 Difference]: Finished difference Result 1612 states and 2848 transitions. [2019-10-13 19:23:45,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-13 19:23:45,380 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 115 [2019-10-13 19:23:45,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:23:45,414 INFO L225 Difference]: With dead ends: 1612 [2019-10-13 19:23:45,415 INFO L226 Difference]: Without dead ends: 988 [2019-10-13 19:23:45,426 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930 [2019-10-13 19:23:45,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2019-10-13 19:23:45,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 624. [2019-10-13 19:23:45,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2019-10-13 19:23:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 999 transitions. [2019-10-13 19:23:45,707 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 999 transitions. Word has length 115 [2019-10-13 19:23:45,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:23:45,708 INFO L462 AbstractCegarLoop]: Abstraction has 624 states and 999 transitions. [2019-10-13 19:23:45,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-13 19:23:45,708 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 999 transitions. [2019-10-13 19:23:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-10-13 19:23:45,714 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:45,714 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 19:23:45,715 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:45,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:45,715 INFO L82 PathProgramCache]: Analyzing trace with hash -803565182, now seen corresponding path program 1 times [2019-10-13 19:23:45,715 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:45,716 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241398577] [2019-10-13 19:23:45,716 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:45,716 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:45,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,579 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-13 19:23:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,765 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,896 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:23:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:23:47,108 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241398577] [2019-10-13 19:23:47,108 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:47,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:23:47,108 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64886481] [2019-10-13 19:23:47,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:23:47,111 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:47,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:23:47,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:23:47,111 INFO L87 Difference]: Start difference. First operand 624 states and 999 transitions. Second operand 10 states. [2019-10-13 19:23:48,645 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:49,398 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 382