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_spec14_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:19:13,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:19:13,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:19:13,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:19:13,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:19:13,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:19:13,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:19:13,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:19:13,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:19:13,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:19:13,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:19:13,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:19:13,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:19:13,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:19:13,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:19:13,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:19:13,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:19:13,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:19:13,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:19:13,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:19:13,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:19:13,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:19:13,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:19:13,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:19:13,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:19:13,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:19:13,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:19:13,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:19:13,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:19:13,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:19:13,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:19:13,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:19:13,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:19:13,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:19:13,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:19:13,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:19:13,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:19:13,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:19:13,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:19:13,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:19:13,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:19:13,521 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:19:13,545 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:19:13,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:19:13,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:19:13,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:19:13,548 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:19:13,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:19:13,549 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:19:13,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:19:13,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:19:13,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:19:13,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:19:13,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:19:13,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:19:13,551 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:19:13,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:19:13,552 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:19:13,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:19:13,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:19:13,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:19:13,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:19:13,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:19:13,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:19:13,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:19:13,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:19:13,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:19:13,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:19:13,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:19:13,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:19:13,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:19:13,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:19:13,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:19:13,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:19:13,868 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:19:13,869 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:19:13,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product27.cil.c [2019-10-14 23:19:13,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31b00f83/a3a9e62542ef4ce4a2bc7e2a669a8a06/FLAG743478678 [2019-10-14 23:19:14,572 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:19:14,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec14_product27.cil.c [2019-10-14 23:19:14,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31b00f83/a3a9e62542ef4ce4a2bc7e2a669a8a06/FLAG743478678 [2019-10-14 23:19:14,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31b00f83/a3a9e62542ef4ce4a2bc7e2a669a8a06 [2019-10-14 23:19:14,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:19:14,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:19:14,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:19:14,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:19:14,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:19:14,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:19:14" (1/1) ... [2019-10-14 23:19:14,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2322f431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:14, skipping insertion in model container [2019-10-14 23:19:14,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:19:14" (1/1) ... [2019-10-14 23:19:14,828 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:19:14,914 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:19:15,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:19:15,585 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:19:15,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:19:15,826 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:19:15,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15 WrapperNode [2019-10-14 23:19:15,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:19:15,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:19:15,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:19:15,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:19:15,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:15,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:15,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:15,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:15,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:15,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:16,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:16,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:19:16,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:19:16,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:19:16,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:19:16,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:19:16,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:19:16,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:19:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:19:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:19:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:19:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:19:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:19:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:19:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:19:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:19:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:19:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:19:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:19:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:19:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:19:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:19:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:19:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:19:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:19:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:19:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:19:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:19:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:19:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:19:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:19:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:19:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:19:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:19:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:19:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:19:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:19:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:19:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:19:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:19:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:19:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:19:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:19:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:19:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:19:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:19:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:19:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:19:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:19:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:19:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:19:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:19:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:19:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:19:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:19:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:19:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:19:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:19:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:19:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:19:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:19:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:19:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:19:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:19:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:19:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:19:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:19:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:19:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:19:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:19:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2019-10-14 23:19:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:19:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:19:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:19:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:19:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:19:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:19:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:19:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:19:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:19:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:19:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:19:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:19:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:19:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:19:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:19:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:19:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:19:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:19:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:19:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:19:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:19:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:19:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:19:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:19:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:19:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:19:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:19:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:19:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:19:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:19:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:19:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:19:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:19:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:19:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:19:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:19:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:19:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:19:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:19:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:19:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:19:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:19:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:19:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:19:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:19:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:19:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:19:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:19:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:19:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:19:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:19:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:19:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2019-10-14 23:19:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:19:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:19:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:19:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:19:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:19:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:19:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:19:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:19:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:19:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:19:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:19:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:19:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:19:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:19:16,178 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:19:16,178 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:19:16,178 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:19:16,178 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:19:16,178 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:19:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:19:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:19:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:19:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:19:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:19:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:19:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:19:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:19:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:19:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:19:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:19:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:19:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:19:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:19:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:19:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:19:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:19:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:19:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:19:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:19:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:19:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:19:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:19:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:19:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:19:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:19:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:19:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:19:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:19:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:19:18,615 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:19:18,615 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:19:18,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:19:18 BoogieIcfgContainer [2019-10-14 23:19:18,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:19:18,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:19:18,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:19:18,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:19:18,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:19:14" (1/3) ... [2019-10-14 23:19:18,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577fe02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:19:18, skipping insertion in model container [2019-10-14 23:19:18,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (2/3) ... [2019-10-14 23:19:18,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577fe02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:19:18, skipping insertion in model container [2019-10-14 23:19:18,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:19:18" (3/3) ... [2019-10-14 23:19:18,626 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product27.cil.c [2019-10-14 23:19:18,636 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:19:18,645 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:19:18,657 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:19:18,698 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:19:18,699 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:19:18,699 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:19:18,699 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:19:18,699 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:19:18,699 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:19:18,699 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:19:18,699 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:19:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states. [2019-10-14 23:19:18,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-14 23:19:18,771 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:19:18,772 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:19:18,774 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:19:18,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:19:18,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1973380872, now seen corresponding path program 1 times [2019-10-14 23:19:18,791 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:19:18,792 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912641010] [2019-10-14 23:19:18,792 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:18,792 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:18,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:19:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,395 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:19:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,581 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:19:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,772 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-14 23:19:20,773 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912641010] [2019-10-14 23:19:20,774 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:19:20,774 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:19:20,774 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222930487] [2019-10-14 23:19:20,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:19:20,780 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:19:20,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:19:20,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:19:20,801 INFO L87 Difference]: Start difference. First operand 751 states. Second operand 8 states. [2019-10-14 23:19:22,461 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:19:23,325 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-10-14 23:19:25,162 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:19:36,278 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:19:42,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:19:42,645 INFO L93 Difference]: Finished difference Result 1532 states and 2626 transitions. [2019-10-14 23:19:42,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-14 23:19:42,647 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2019-10-14 23:19:42,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:19:42,681 INFO L225 Difference]: With dead ends: 1532 [2019-10-14 23:19:42,681 INFO L226 Difference]: Without dead ends: 887 [2019-10-14 23:19:42,693 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:19:42,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2019-10-14 23:19:42,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 603. [2019-10-14 23:19:42,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2019-10-14 23:19:42,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 951 transitions. [2019-10-14 23:19:42,944 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 951 transitions. Word has length 135 [2019-10-14 23:19:42,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:19:42,944 INFO L462 AbstractCegarLoop]: Abstraction has 603 states and 951 transitions. [2019-10-14 23:19:42,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:19:42,945 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 951 transitions. [2019-10-14 23:19:42,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-14 23:19:42,953 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:19:42,954 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:19:42,954 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:19:42,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:19:42,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1520755359, now seen corresponding path program 1 times [2019-10-14 23:19:42,955 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:19:42,955 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532314450] [2019-10-14 23:19:42,955 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:42,955 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:42,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:19:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:43,875 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:19:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-14 23:19:44,252 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532314450] [2019-10-14 23:19:44,252 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:19:44,252 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:19:44,252 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61571404] [2019-10-14 23:19:44,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:19:44,270 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:19:44,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:19:44,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:19:44,274 INFO L87 Difference]: Start difference. First operand 603 states and 951 transitions. Second operand 8 states. [2019-10-14 23:19:45,640 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:19:46,439 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-10-14 23:19:47,975 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112