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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:03,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:03,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:03,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:03,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:03,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:03,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:03,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:03,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:03,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:03,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:03,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:03,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:03,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:03,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:03,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:03,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:03,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:03,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:03,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:03,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:03,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:03,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:03,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:03,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:03,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:03,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:03,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:03,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:03,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:03,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:03,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:03,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:03,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:03,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:03,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:03,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:03,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:03,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:03,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:03,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:03,926 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 19:23:03,945 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:03,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:03,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:03,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:03,950 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:03,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:03,951 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:03,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:03,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:03,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:03,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:03,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:03,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:03,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:03,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:03,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:03,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:03,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:03,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:03,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:03,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:03,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:03,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:03,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:03,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:03,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:03,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:03,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:03,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:04,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:04,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:04,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:04,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:04,288 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:04,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product22.cil.c [2019-10-13 19:23:04,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65591888f/0217cfaeea17459b88a176fd215807f2/FLAGd6d16bc4f [2019-10-13 19:23:04,970 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:04,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product22.cil.c [2019-10-13 19:23:04,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65591888f/0217cfaeea17459b88a176fd215807f2/FLAGd6d16bc4f [2019-10-13 19:23:05,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65591888f/0217cfaeea17459b88a176fd215807f2 [2019-10-13 19:23:05,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:05,183 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:05,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:05,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:05,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:05,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:05" (1/1) ... [2019-10-13 19:23:05,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443ffe5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:05, skipping insertion in model container [2019-10-13 19:23:05,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:05" (1/1) ... [2019-10-13 19:23:05,198 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:05,283 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:05,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:05,999 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:06,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:06,233 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:06,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:06 WrapperNode [2019-10-13 19:23:06,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:06,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:06,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:06,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:06,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:06" (1/1) ... [2019-10-13 19:23:06,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:06" (1/1) ... [2019-10-13 19:23:06,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:06" (1/1) ... [2019-10-13 19:23:06,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:06" (1/1) ... [2019-10-13 19:23:06,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:06" (1/1) ... [2019-10-13 19:23:06,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:06" (1/1) ... [2019-10-13 19:23:06,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:06" (1/1) ... [2019-10-13 19:23:06,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:06,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:06,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:06,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:06,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:06" (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 19:23:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:23:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:23:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2019-10-13 19:23:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2019-10-13 19:23:06,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:06,550 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:23:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:23:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2019-10-13 19:23:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2019-10-13 19:23:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:08,905 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:08,905 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:08,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:08 BoogieIcfgContainer [2019-10-13 19:23:08,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:08,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:08,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:08,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:08,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:05" (1/3) ... [2019-10-13 19:23:08,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293e4d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:08, skipping insertion in model container [2019-10-13 19:23:08,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:06" (2/3) ... [2019-10-13 19:23:08,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293e4d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:08, skipping insertion in model container [2019-10-13 19:23:08,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:08" (3/3) ... [2019-10-13 19:23:08,916 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product22.cil.c [2019-10-13 19:23:08,926 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:08,938 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:08,977 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:09,009 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:09,009 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:09,009 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:09,009 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:09,010 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:09,010 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:09,010 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:09,010 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:09,047 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states. [2019-10-13 19:23:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 19:23:09,062 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:09,063 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 19:23:09,065 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:09,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:09,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1780237072, now seen corresponding path program 1 times [2019-10-13 19:23:09,083 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:09,083 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753174410] [2019-10-13 19:23:09,084 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:09,084 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:09,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:10,795 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:23:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,077 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:11,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:23:11,489 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753174410] [2019-10-13 19:23:11,491 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:11,491 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:23:11,491 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761084734] [2019-10-13 19:23:11,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:23:11,498 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:11,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:23:11,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:23:11,519 INFO L87 Difference]: Start difference. First operand 812 states. Second operand 12 states. [2019-10-13 19:23:14,114 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:15,066 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:15,975 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:16,931 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:17,815 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-10-13 19:23:21,187 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:23:42,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:23:42,324 INFO L93 Difference]: Finished difference Result 1627 states and 2811 transitions. [2019-10-13 19:23:42,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:23:42,330 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2019-10-13 19:23:42,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:23:42,368 INFO L225 Difference]: With dead ends: 1627 [2019-10-13 19:23:42,369 INFO L226 Difference]: Without dead ends: 982 [2019-10-13 19:23:42,379 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2019-10-13 19:23:42,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2019-10-13 19:23:42,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 651. [2019-10-13 19:23:42,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2019-10-13 19:23:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1034 transitions. [2019-10-13 19:23:42,686 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1034 transitions. Word has length 93 [2019-10-13 19:23:42,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:23:42,687 INFO L462 AbstractCegarLoop]: Abstraction has 651 states and 1034 transitions. [2019-10-13 19:23:42,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:23:42,687 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1034 transitions. [2019-10-13 19:23:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 19:23:42,699 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:42,700 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 19:23:42,702 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:42,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:42,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1958663701, now seen corresponding path program 1 times [2019-10-13 19:23:42,703 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:42,703 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22318897] [2019-10-13 19:23:42,703 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:42,704 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:42,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,676 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:23:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,883 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:23:44,146 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22318897] [2019-10-13 19:23:44,146 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:44,146 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:23:44,146 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732687634] [2019-10-13 19:23:44,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:23:44,149 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:44,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:23:44,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:23:44,149 INFO L87 Difference]: Start difference. First operand 651 states and 1034 transitions. Second operand 9 states.