java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:05,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:05,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:05,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:05,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:05,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:05,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:05,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:05,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:05,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:05,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:05,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:05,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:05,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:05,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:05,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:05,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:05,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:05,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:05,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:05,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:05,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:05,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:05,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:05,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:05,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:05,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:05,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:05,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:05,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:05,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:05,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:05,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:05,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:05,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:05,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:05,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:05,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:05,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:05,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:05,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:05,390 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 19:23:05,413 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:05,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:05,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:05,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:05,415 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:05,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:05,415 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:05,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:05,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:05,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:05,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:05,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:05,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:05,418 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:05,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:05,419 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:05,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:05,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:05,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:05,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:05,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:05,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:05,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:05,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:05,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:05,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:05,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:05,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:05,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:05,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:05,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:05,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:05,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:05,779 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:05,780 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product23.cil.c [2019-10-13 19:23:05,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e88334a/d4b14470afd74977bafdd1d04b16c5e9/FLAGa36825404 [2019-10-13 19:23:06,396 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:06,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product23.cil.c [2019-10-13 19:23:06,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e88334a/d4b14470afd74977bafdd1d04b16c5e9/FLAGa36825404 [2019-10-13 19:23:06,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e88334a/d4b14470afd74977bafdd1d04b16c5e9 [2019-10-13 19:23:06,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:06,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:06,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:06,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:06,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:06,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:06" (1/1) ... [2019-10-13 19:23:06,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2518b27f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:06, skipping insertion in model container [2019-10-13 19:23:06,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:06" (1/1) ... [2019-10-13 19:23:06,625 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:06,711 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:07,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:07,474 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:07,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:07,685 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:07,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:07 WrapperNode [2019-10-13 19:23:07,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:07,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:07,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:07,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:07,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:07" (1/1) ... [2019-10-13 19:23:07,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:07" (1/1) ... [2019-10-13 19:23:07,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:07" (1/1) ... [2019-10-13 19:23:07,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:07" (1/1) ... [2019-10-13 19:23:07,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:07" (1/1) ... [2019-10-13 19:23:07,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:07" (1/1) ... [2019-10-13 19:23:07,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:07" (1/1) ... [2019-10-13 19:23:07,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:07,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:07,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:07,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:07,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:07" (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 19:23:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:07,994 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:23:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:23:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:23:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:23:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:23:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:23:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:23:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:23:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:23:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:23:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:23:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:23:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:10,278 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:10,278 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:10,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:10 BoogieIcfgContainer [2019-10-13 19:23:10,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:10,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:10,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:10,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:10,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:06" (1/3) ... [2019-10-13 19:23:10,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a115b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:10, skipping insertion in model container [2019-10-13 19:23:10,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:07" (2/3) ... [2019-10-13 19:23:10,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a115b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:10, skipping insertion in model container [2019-10-13 19:23:10,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:10" (3/3) ... [2019-10-13 19:23:10,294 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product23.cil.c [2019-10-13 19:23:10,304 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:10,319 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:10,382 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:10,432 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:10,432 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:10,432 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:10,433 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:10,433 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:10,433 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:10,433 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:10,433 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:10,480 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states. [2019-10-13 19:23:10,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-13 19:23:10,516 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:10,518 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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] [2019-10-13 19:23:10,522 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:10,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:10,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1013618199, now seen corresponding path program 1 times [2019-10-13 19:23:10,538 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:10,539 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154350117] [2019-10-13 19:23:10,539 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:10,539 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:10,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,085 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,398 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 19:23:12,926 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154350117] [2019-10-13 19:23:12,927 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:12,927 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:23:12,927 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142405040] [2019-10-13 19:23:12,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:23:12,933 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:12,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:23:12,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:23:12,951 INFO L87 Difference]: Start difference. First operand 821 states. Second operand 13 states. [2019-10-13 19:23:15,249 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:16,116 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:16,956 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:17,900 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:18,756 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2019-10-13 19:23:24,082 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:23:26,934 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:23:41,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:23:41,054 INFO L93 Difference]: Finished difference Result 1693 states and 2953 transitions. [2019-10-13 19:23:41,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-13 19:23:41,056 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 141 [2019-10-13 19:23:41,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:23:41,092 INFO L225 Difference]: With dead ends: 1693 [2019-10-13 19:23:41,092 INFO L226 Difference]: Without dead ends: 1026 [2019-10-13 19:23:41,106 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930 [2019-10-13 19:23:41,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2019-10-13 19:23:41,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 667. [2019-10-13 19:23:41,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2019-10-13 19:23:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1055 transitions. [2019-10-13 19:23:41,427 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1055 transitions. Word has length 141 [2019-10-13 19:23:41,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:23:41,427 INFO L462 AbstractCegarLoop]: Abstraction has 667 states and 1055 transitions. [2019-10-13 19:23:41,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-13 19:23:41,428 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1055 transitions. [2019-10-13 19:23:41,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-13 19:23:41,434 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:41,435 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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 19:23:41,435 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:41,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:41,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1339739785, now seen corresponding path program 1 times [2019-10-13 19:23:41,436 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:41,436 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928277878] [2019-10-13 19:23:41,436 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:41,436 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:41,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,368 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,555 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,721 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:23:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 19:23:42,977 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928277878] [2019-10-13 19:23:42,977 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:42,977 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:23:42,977 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629432748] [2019-10-13 19:23:42,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:23:42,980 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:42,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:23:42,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:23:42,980 INFO L87 Difference]: Start difference. First operand 667 states and 1055 transitions. Second operand 10 states. [2019-10-13 19:23:45,178 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:46,013 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 385