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_spec9_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:51,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:51,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:51,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:51,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:51,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:51,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:51,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:51,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:51,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:51,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:51,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:51,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:51,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:51,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:51,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:51,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:51,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:51,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:51,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:51,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:51,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:51,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:51,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:51,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:51,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:51,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:51,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:51,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:51,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:51,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:51,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:51,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:51,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:51,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:51,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:51,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:51,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:51,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:51,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:51,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:51,494 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:23:51,519 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:51,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:51,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:51,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:51,522 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:51,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:51,522 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:51,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:51,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:51,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:51,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:51,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:51,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:51,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:51,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:51,525 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:51,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:51,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:51,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:51,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:51,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:51,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:51,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:51,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:51,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:51,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:51,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:51,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:51,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:51,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:51,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:51,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:51,844 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:51,845 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:51,845 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product27.cil.c [2019-10-13 19:23:51,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30f52c98f/afb6dc23868b4c9d97fba5e0ff7579f7/FLAG3c168d76e [2019-10-13 19:23:52,668 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:52,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product27.cil.c [2019-10-13 19:23:52,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30f52c98f/afb6dc23868b4c9d97fba5e0ff7579f7/FLAG3c168d76e [2019-10-13 19:23:52,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30f52c98f/afb6dc23868b4c9d97fba5e0ff7579f7 [2019-10-13 19:23:52,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:52,780 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:52,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:52,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:52,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:52,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:52" (1/1) ... [2019-10-13 19:23:52,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9fb768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:52, skipping insertion in model container [2019-10-13 19:23:52,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:52" (1/1) ... [2019-10-13 19:23:52,797 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:52,885 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:53,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:53,600 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:53,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:53,849 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:53,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:53 WrapperNode [2019-10-13 19:23:53,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:53,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:53,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:53,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:53,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:53" (1/1) ... [2019-10-13 19:23:53,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:53" (1/1) ... [2019-10-13 19:23:53,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:53" (1/1) ... [2019-10-13 19:23:53,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:53" (1/1) ... [2019-10-13 19:23:53,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:53" (1/1) ... [2019-10-13 19:23:54,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:53" (1/1) ... [2019-10-13 19:23:54,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:53" (1/1) ... [2019-10-13 19:23:54,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:54,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:54,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:54,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:54,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:54,137 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:54,137 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:54,137 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:54,137 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:54,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:54,139 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:23:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:23:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:23:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:23:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:23:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:23:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:23:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:23:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:23:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:23:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:23:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:23:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:56,588 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:56,588 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:56,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:56 BoogieIcfgContainer [2019-10-13 19:23:56,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:56,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:56,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:56,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:56,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:52" (1/3) ... [2019-10-13 19:23:56,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304094f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:56, skipping insertion in model container [2019-10-13 19:23:56,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:53" (2/3) ... [2019-10-13 19:23:56,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304094f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:56, skipping insertion in model container [2019-10-13 19:23:56,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:56" (3/3) ... [2019-10-13 19:23:56,600 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product27.cil.c [2019-10-13 19:23:56,612 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:56,626 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:56,641 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:56,699 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:56,699 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:56,699 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:56,700 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:56,700 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:56,700 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:56,700 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:56,700 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states. [2019-10-13 19:23:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 19:23:56,780 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:56,782 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:56,787 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:56,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:56,794 INFO L82 PathProgramCache]: Analyzing trace with hash 18579608, now seen corresponding path program 1 times [2019-10-13 19:23:56,803 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:56,803 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29657420] [2019-10-13 19:23:56,804 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:56,804 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:56,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,330 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,646 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:23:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:23:59,208 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29657420] [2019-10-13 19:23:59,209 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:59,209 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:23:59,209 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919641882] [2019-10-13 19:23:59,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:23:59,215 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:59,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:23:59,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:23:59,233 INFO L87 Difference]: Start difference. First operand 777 states. Second operand 10 states. [2019-10-13 19:24:01,252 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-13 19:24:02,117 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-13 19:24:03,973 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:24:09,114 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:24:24,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:24:24,308 INFO L93 Difference]: Finished difference Result 1773 states and 3112 transitions. [2019-10-13 19:24:24,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:24:24,310 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2019-10-13 19:24:24,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:24:24,348 INFO L225 Difference]: With dead ends: 1773 [2019-10-13 19:24:24,351 INFO L226 Difference]: Without dead ends: 1145 [2019-10-13 19:24:24,366 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:24:24,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2019-10-13 19:24:24,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 617. [2019-10-13 19:24:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2019-10-13 19:24:24,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 981 transitions. [2019-10-13 19:24:24,723 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 981 transitions. Word has length 135 [2019-10-13 19:24:24,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:24:24,723 INFO L462 AbstractCegarLoop]: Abstraction has 617 states and 981 transitions. [2019-10-13 19:24:24,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:24:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 981 transitions. [2019-10-13 19:24:24,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-13 19:24:24,730 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:24,731 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:24:24,731 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:24,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:24,731 INFO L82 PathProgramCache]: Analyzing trace with hash -270965621, now seen corresponding path program 1 times [2019-10-13 19:24:24,732 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:24,732 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531206630] [2019-10-13 19:24:24,732 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:24,732 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:24,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,657 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:24:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:25,903 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:24:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:26,372 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:24:26,372 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531206630] [2019-10-13 19:24:26,372 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:24:26,373 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:24:26,373 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721276008] [2019-10-13 19:24:26,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:24:26,375 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:24:26,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:24:26,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:24:26,376 INFO L87 Difference]: Start difference. First operand 617 states and 981 transitions. Second operand 10 states. [2019-10-13 19:24:27,370 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:24:28,206 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-13 19:24:29,033 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-13 19:24:30,771 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 127