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_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:19:11,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:19:11,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:19:11,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:19:11,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:19:11,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:19:11,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:19:11,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:19:11,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:19:11,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:19:11,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:19:11,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:19:11,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:19:11,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:19:11,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:19:11,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:19:11,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:19:11,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:19:11,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:19:11,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:19:11,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:19:11,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:19:11,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:19:11,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:19:11,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:19:11,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:19:11,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:19:11,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:19:11,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:19:11,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:19:11,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:19:11,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:19:11,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:19:11,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:19:11,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:19:11,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:19:11,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:19:11,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:19:11,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:19:11,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:19:11,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:19:11,474 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 23:19:11,494 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:19:11,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:19:11,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:19:11,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:19:11,496 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:19:11,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:19:11,497 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:19:11,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:19:11,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:19:11,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:19:11,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:19:11,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:19:11,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:19:11,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:19:11,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:19:11,502 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:19:11,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:19:11,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:19:11,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:19:11,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:19:11,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:19:11,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:19:11,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:19:11,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:19:11,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:19:11,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:19:11,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:19:11,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:19:11,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:19:11,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:19:11,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:19:11,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:19:11,823 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:19:11,824 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:19:11,825 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product11.cil.c [2019-10-14 23:19:11,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a3b71600/8d51eb1a89c24220a6f49a31d91c8f82/FLAG463bdd03c [2019-10-14 23:19:12,559 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:19:12,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec14_product11.cil.c [2019-10-14 23:19:12,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a3b71600/8d51eb1a89c24220a6f49a31d91c8f82/FLAG463bdd03c [2019-10-14 23:19:12,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a3b71600/8d51eb1a89c24220a6f49a31d91c8f82 [2019-10-14 23:19:12,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:19:12,813 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:19:12,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:19:12,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:19:12,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:19:12,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:19:12" (1/1) ... [2019-10-14 23:19:12,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b36d77d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:12, skipping insertion in model container [2019-10-14 23:19:12,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:19:12" (1/1) ... [2019-10-14 23:19:12,828 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:19:12,917 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:19:13,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:19:13,633 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:19:13,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:19:13,857 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:19:13,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:13 WrapperNode [2019-10-14 23:19:13,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:19:13,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:19:13,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:19:13,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:19:13,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:13" (1/1) ... [2019-10-14 23:19:13,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:13" (1/1) ... [2019-10-14 23:19:13,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:13" (1/1) ... [2019-10-14 23:19:13,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:13" (1/1) ... [2019-10-14 23:19:13,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:13" (1/1) ... [2019-10-14 23:19:13,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:13" (1/1) ... [2019-10-14 23:19:14,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:13" (1/1) ... [2019-10-14 23:19:14,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:19:14,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:19:14,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:19:14,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:19:14,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:13" (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 23:19:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:19:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:19:14,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:19:14,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:19:14,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:19:14,142 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:19:14,142 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:19:14,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:19:14,143 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:19:14,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:19:14,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:19:14,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:19:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:19:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2019-10-14 23:19:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:19:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:19:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:19:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:19:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:19:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:19:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:19:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:19:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:19:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:19:14,154 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:19:14,154 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:19:14,154 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:19:14,154 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:19:14,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:19:14,155 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:19:14,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:19:14,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:19:14,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:19:14,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:19:14,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:19:14,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:19:14,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:19:14,157 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:19:14,157 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:19:14,157 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:19:14,157 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:19:14,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:19:14,158 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:19:14,158 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:19:14,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:19:14,158 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:19:14,158 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:19:14,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:19:14,159 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:19:14,159 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:19:14,159 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:19:14,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:19:14,159 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:19:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:19:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:19:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:19:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:19:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:19:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:19:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:19:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:19:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:19:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:19:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:19:14,163 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:19:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:19:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:19:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:19:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:19:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:19:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:19:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:19:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:19:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:19:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:19:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:19:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:19:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:19:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:19:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:19:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:19:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:19:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:19:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:19:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:19:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:19:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:19:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:19:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:19:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:19:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:19:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:19:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:19:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:19:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:19:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:19:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2019-10-14 23:19:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:19:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:19:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:19:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:19:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:19:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:19:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:19:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:19:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:19:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:19:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:19:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:19:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:19:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:19:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:19:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:19:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:19:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:19:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:19:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:19:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:19:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:19:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:19:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:19:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:19:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:19:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:19:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:19:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:19:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:19:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:19:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:19:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:19:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:19:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:19:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:19:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:19:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:19:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:19:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:19:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:19:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:19:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:19:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:19:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:19:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:19:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:19:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:19:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:19:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:19:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:19:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:19:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:19:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:19:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:19:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:19:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:19:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:19:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:19:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:19:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:19:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:19:17,115 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:19:17,115 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:19:17,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:19:17 BoogieIcfgContainer [2019-10-14 23:19:17,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:19:17,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:19:17,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:19:17,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:19:17,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:19:12" (1/3) ... [2019-10-14 23:19:17,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7469f423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:19:17, skipping insertion in model container [2019-10-14 23:19:17,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:13" (2/3) ... [2019-10-14 23:19:17,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7469f423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:19:17, skipping insertion in model container [2019-10-14 23:19:17,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:19:17" (3/3) ... [2019-10-14 23:19:17,131 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product11.cil.c [2019-10-14 23:19:17,141 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:19:17,155 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:19:17,166 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:19:17,201 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:19:17,201 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:19:17,201 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:19:17,202 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:19:17,202 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:19:17,202 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:19:17,202 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:19:17,202 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:19:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states. [2019-10-14 23:19:17,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-14 23:19:17,274 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:19:17,277 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 23:19:17,279 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:19:17,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:19:17,288 INFO L82 PathProgramCache]: Analyzing trace with hash -2137869489, now seen corresponding path program 1 times [2019-10-14 23:19:17,297 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:19:17,297 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069674254] [2019-10-14 23:19:17,298 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:17,298 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:17,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:19:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:18,913 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 370 [2019-10-14 23:19:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,143 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:19:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:19,335 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 23:19:19,336 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069674254] [2019-10-14 23:19:19,337 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:19:19,337 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:19:19,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820013888] [2019-10-14 23:19:19,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:19:19,343 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:19:19,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:19:19,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:19:19,360 INFO L87 Difference]: Start difference. First operand 730 states. Second operand 8 states. [2019-10-14 23:19:21,250 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 373 [2019-10-14 23:19:22,209 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2019-10-14 23:19:24,143 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:19:36,804 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-10-14 23:19:44,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:19:44,664 INFO L93 Difference]: Finished difference Result 1491 states and 2599 transitions. [2019-10-14 23:19:44,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-14 23:19:44,666 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2019-10-14 23:19:44,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:19:44,702 INFO L225 Difference]: With dead ends: 1491 [2019-10-14 23:19:44,703 INFO L226 Difference]: Without dead ends: 867 [2019-10-14 23:19:44,715 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:19:44,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2019-10-14 23:19:44,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 582. [2019-10-14 23:19:44,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-10-14 23:19:45,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 923 transitions. [2019-10-14 23:19:45,002 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 923 transitions. Word has length 135 [2019-10-14 23:19:45,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:19:45,003 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 923 transitions. [2019-10-14 23:19:45,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:19:45,003 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 923 transitions. [2019-10-14 23:19:45,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-14 23:19:45,012 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:19:45,012 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 23:19:45,012 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:19:45,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:19:45,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1566459786, now seen corresponding path program 1 times [2019-10-14 23:19:45,013 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:19:45,013 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133642800] [2019-10-14 23:19:45,013 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:45,014 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:45,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:19:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,031 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2019-10-14 23:19:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,214 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:19:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:46,410 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 23:19:46,410 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133642800] [2019-10-14 23:19:46,411 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:19:46,411 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:19:46,411 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007763905] [2019-10-14 23:19:46,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:19:46,429 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:19:46,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:19:46,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:19:46,430 INFO L87 Difference]: Start difference. First operand 582 states and 923 transitions. Second operand 8 states. [2019-10-14 23:19:48,059 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-10-14 23:19:49,043 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2019-10-14 23:19:50,654 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 112