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_spec2_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:08,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:08,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:08,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:08,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:08,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:08,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:08,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:08,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:08,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:08,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:08,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:08,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:08,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:08,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:08,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:08,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:08,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:08,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:08,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:08,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:08,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:08,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:08,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:08,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:08,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:08,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:08,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:08,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:08,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:08,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:08,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:08,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:08,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:08,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:08,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:08,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:08,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:08,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:08,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:08,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:08,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:21:08,400 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:08,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:08,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:08,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:08,405 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:08,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:08,407 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:08,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:08,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:08,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:08,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:08,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:08,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:08,409 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:08,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:08,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:08,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:08,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:08,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:08,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:08,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:08,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:08,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:08,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:08,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:08,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:08,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:08,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:08,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:08,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:08,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:08,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:08,708 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:08,708 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:08,709 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product23.cil.c [2019-10-14 23:21:08,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e70ac14f9/bc7a519c74b344e1a802027e012158c2/FLAG320926399 [2019-10-14 23:21:09,416 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:09,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product23.cil.c [2019-10-14 23:21:09,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e70ac14f9/bc7a519c74b344e1a802027e012158c2/FLAG320926399 [2019-10-14 23:21:09,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e70ac14f9/bc7a519c74b344e1a802027e012158c2 [2019-10-14 23:21:09,617 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:09,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:09,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:09,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:09,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:09,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:09" (1/1) ... [2019-10-14 23:21:09,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4771d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:09, skipping insertion in model container [2019-10-14 23:21:09,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:09" (1/1) ... [2019-10-14 23:21:09,638 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:09,728 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:10,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:10,438 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:10,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:10,670 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:10,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:10 WrapperNode [2019-10-14 23:21:10,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:10,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:10,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:10,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:10,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:10" (1/1) ... [2019-10-14 23:21:10,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:10" (1/1) ... [2019-10-14 23:21:10,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:10" (1/1) ... [2019-10-14 23:21:10,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:10" (1/1) ... [2019-10-14 23:21:10,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:10" (1/1) ... [2019-10-14 23:21:10,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:10" (1/1) ... [2019-10-14 23:21:10,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:10" (1/1) ... [2019-10-14 23:21:10,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:10,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:10,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:10,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:10,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:10,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:10,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:10,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:10,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:10,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:21:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:21:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-14 23:21:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:21:10,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:10,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:10,999 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:10,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-14 23:21:10,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:21:11,000 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:11,000 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:11,000 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:11,000 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:11,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:21:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:21:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:21:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:21:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:21:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:21:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-14 23:21:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:21:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-14 23:21:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:21:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:13,400 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:13,401 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:13,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:13 BoogieIcfgContainer [2019-10-14 23:21:13,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:13,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:13,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:13,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:13,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:09" (1/3) ... [2019-10-14 23:21:13,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670abf59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:13, skipping insertion in model container [2019-10-14 23:21:13,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:10" (2/3) ... [2019-10-14 23:21:13,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670abf59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:13, skipping insertion in model container [2019-10-14 23:21:13,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:13" (3/3) ... [2019-10-14 23:21:13,411 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product23.cil.c [2019-10-14 23:21:13,421 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:13,431 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:13,443 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:13,495 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:13,496 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:13,496 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:13,496 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:13,496 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:13,496 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:13,496 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:13,497 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:13,541 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states. [2019-10-14 23:21:13,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-14 23:21:13,574 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:13,575 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] [2019-10-14 23:21:13,577 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:13,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:13,583 INFO L82 PathProgramCache]: Analyzing trace with hash -425142213, now seen corresponding path program 1 times [2019-10-14 23:21:13,593 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:13,594 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802634192] [2019-10-14 23:21:13,594 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:13,594 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:13,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,195 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,591 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:21:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,759 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:21:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-14 23:21:16,149 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802634192] [2019-10-14 23:21:16,150 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:16,150 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:21:16,150 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242649250] [2019-10-14 23:21:16,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:21:16,156 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:16,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:21:16,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:21:16,173 INFO L87 Difference]: Start difference. First operand 801 states. Second operand 10 states. [2019-10-14 23:21:17,320 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:21:18,293 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-14 23:21:19,213 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-14 23:21:21,178 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-14 23:21:26,893 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:21:40,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:21:40,321 INFO L93 Difference]: Finished difference Result 1821 states and 3182 transitions. [2019-10-14 23:21:40,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-14 23:21:40,323 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2019-10-14 23:21:40,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:21:40,360 INFO L225 Difference]: With dead ends: 1821 [2019-10-14 23:21:40,360 INFO L226 Difference]: Without dead ends: 1169 [2019-10-14 23:21:40,371 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-14 23:21:40,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2019-10-14 23:21:40,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 641. [2019-10-14 23:21:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2019-10-14 23:21:40,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 1016 transitions. [2019-10-14 23:21:40,700 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 1016 transitions. Word has length 133 [2019-10-14 23:21:40,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:21:40,701 INFO L462 AbstractCegarLoop]: Abstraction has 641 states and 1016 transitions. [2019-10-14 23:21:40,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:21:40,701 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1016 transitions. [2019-10-14 23:21:40,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-14 23:21:40,709 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:40,710 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] [2019-10-14 23:21:40,710 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:40,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:40,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1746655412, now seen corresponding path program 1 times [2019-10-14 23:21:40,711 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:40,711 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792280632] [2019-10-14 23:21:40,712 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:40,712 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:40,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,705 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,956 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:21:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-14 23:21:42,354 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792280632] [2019-10-14 23:21:42,354 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:42,354 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:21:42,355 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784375363] [2019-10-14 23:21:42,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:21:42,357 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:42,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:21:42,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:21:42,357 INFO L87 Difference]: Start difference. First operand 641 states and 1016 transitions. Second operand 10 states. [2019-10-14 23:21:43,474 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:21:44,377 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-14 23:21:45,230 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-14 23:21:47,122 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 127