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_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:11,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:11,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:11,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:11,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:11,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:11,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:11,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:11,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:11,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:11,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:11,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:11,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:11,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:11,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:11,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:11,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:11,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:11,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:11,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:11,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:11,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:11,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:11,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:11,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:11,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:11,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:11,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:11,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:11,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:11,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:11,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:11,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:11,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:11,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:11,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:11,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:11,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:11,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:11,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:11,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:11,898 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 23:21:11,919 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:11,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:11,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:11,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:11,924 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:11,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:11,924 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:11,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:11,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:11,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:11,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:11,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:11,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:11,927 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:11,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:11,927 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:11,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:11,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:11,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:11,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:11,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:11,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:11,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:11,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:11,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:11,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:11,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:11,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:11,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:12,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:12,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:12,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:12,243 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:12,244 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:12,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product26.cil.c [2019-10-14 23:21:12,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26cc37d11/168911b07e2e4197bfc98571aadc45af/FLAGdb6830966 [2019-10-14 23:21:12,943 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:12,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product26.cil.c [2019-10-14 23:21:12,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26cc37d11/168911b07e2e4197bfc98571aadc45af/FLAGdb6830966 [2019-10-14 23:21:13,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26cc37d11/168911b07e2e4197bfc98571aadc45af [2019-10-14 23:21:13,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:13,167 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:13,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:13,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:13,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:13,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:13" (1/1) ... [2019-10-14 23:21:13,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9fb768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:13, skipping insertion in model container [2019-10-14 23:21:13,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:13" (1/1) ... [2019-10-14 23:21:13,181 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:13,254 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:14,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:14,042 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:14,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:14,254 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:14,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:14 WrapperNode [2019-10-14 23:21:14,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:14,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:14,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:14,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:14,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:14" (1/1) ... [2019-10-14 23:21:14,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:14" (1/1) ... [2019-10-14 23:21:14,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:14" (1/1) ... [2019-10-14 23:21:14,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:14" (1/1) ... [2019-10-14 23:21:14,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:14" (1/1) ... [2019-10-14 23:21:14,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:14" (1/1) ... [2019-10-14 23:21:14,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:14" (1/1) ... [2019-10-14 23:21:14,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:14,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:14,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:14,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:14,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:14" (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 23:21:14,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:14,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:14,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:14,525 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:14,525 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:14,530 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:14,532 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:14,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:14,533 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:14,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:14,533 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:21:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:21:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:14,536 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:14,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:14,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:14,536 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:14,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:14,536 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:14,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:14,537 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:14,537 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:14,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:14,538 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:14,538 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2019-10-14 23:21:14,538 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:14,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2019-10-14 23:21:14,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:14,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:14,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:14,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:14,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:14,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:14,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:21:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:21:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2019-10-14 23:21:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2019-10-14 23:21:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:17,072 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:17,072 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:17,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:17 BoogieIcfgContainer [2019-10-14 23:21:17,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:17,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:17,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:17,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:17,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:13" (1/3) ... [2019-10-14 23:21:17,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40283dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:17, skipping insertion in model container [2019-10-14 23:21:17,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:14" (2/3) ... [2019-10-14 23:21:17,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40283dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:17, skipping insertion in model container [2019-10-14 23:21:17,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:17" (3/3) ... [2019-10-14 23:21:17,086 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product26.cil.c [2019-10-14 23:21:17,097 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:17,108 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:17,119 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:17,155 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:17,156 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:17,156 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:17,156 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:17,156 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:17,156 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:17,157 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:17,157 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states. [2019-10-14 23:21:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-14 23:21:17,230 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:17,231 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:21:17,235 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:17,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:17,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1815299235, now seen corresponding path program 1 times [2019-10-14 23:21:17,251 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:17,251 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762673121] [2019-10-14 23:21:17,252 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:17,252 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:17,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:18,970 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 397 [2019-10-14 23:21:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,303 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:21:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,527 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:21:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:21:19,724 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762673121] [2019-10-14 23:21:19,724 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:19,725 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:21:19,725 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881202005] [2019-10-14 23:21:19,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:21:19,730 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:19,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:21:19,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:21:19,742 INFO L87 Difference]: Start difference. First operand 774 states. Second operand 9 states. [2019-10-14 23:21:21,476 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:21:22,436 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-10-14 23:21:24,177 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:21:46,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:21:46,679 INFO L93 Difference]: Finished difference Result 1648 states and 2874 transitions. [2019-10-14 23:21:46,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:21:46,681 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-14 23:21:46,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:21:46,714 INFO L225 Difference]: With dead ends: 1648 [2019-10-14 23:21:46,715 INFO L226 Difference]: Without dead ends: 1045 [2019-10-14 23:21:46,728 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:21:46,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2019-10-14 23:21:46,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 607. [2019-10-14 23:21:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2019-10-14 23:21:46,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 973 transitions. [2019-10-14 23:21:46,993 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 973 transitions. Word has length 85 [2019-10-14 23:21:46,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:21:46,993 INFO L462 AbstractCegarLoop]: Abstraction has 607 states and 973 transitions. [2019-10-14 23:21:46,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:21:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 973 transitions. [2019-10-14 23:21:46,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-14 23:21:46,999 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:46,999 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:21:47,000 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:47,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:47,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1195495049, now seen corresponding path program 1 times [2019-10-14 23:21:47,001 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:47,001 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982910887] [2019-10-14 23:21:47,001 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:47,001 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:47,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:47,971 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2019-10-14 23:21:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,268 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:21:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:21:48,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982910887] [2019-10-14 23:21:48,593 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:48,593 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:21:48,594 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675664893] [2019-10-14 23:21:48,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:21:48,597 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:48,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:21:48,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:21:48,597 INFO L87 Difference]: Start difference. First operand 607 states and 973 transitions. Second operand 9 states. [2019-10-14 23:21:50,146 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:21:51,006 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-10-14 23:21:52,367 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 121