java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:44,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:44,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:44,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:44,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:44,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:44,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:44,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:44,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:44,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:44,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:44,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:44,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:44,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:44,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:44,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:44,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:44,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:44,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:44,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:44,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:44,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:44,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:44,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:44,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:44,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:44,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:44,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:44,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:44,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:44,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:44,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:44,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:44,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:44,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:44,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:44,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:44,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:44,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:44,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:44,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:44,772 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 19:23:44,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:44,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:44,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:44,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:44,795 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:44,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:44,795 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:44,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:44,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:44,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:44,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:44,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:44,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:44,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:44,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:44,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:44,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:44,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:44,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:44,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:44,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:44,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:44,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:44,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:44,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:44,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:44,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:44,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:44,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:45,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:45,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:45,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:45,130 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:45,130 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:45,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product09.cil.c [2019-10-13 19:23:45,210 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6aa620c/29340404a6df428ba07799f04c7f6871/FLAG88bb0c9cf [2019-10-13 19:23:45,842 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:45,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product09.cil.c [2019-10-13 19:23:45,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6aa620c/29340404a6df428ba07799f04c7f6871/FLAG88bb0c9cf [2019-10-13 19:23:46,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6aa620c/29340404a6df428ba07799f04c7f6871 [2019-10-13 19:23:46,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:46,057 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:46,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:46,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:46,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:46,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:46" (1/1) ... [2019-10-13 19:23:46,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d96912c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:46, skipping insertion in model container [2019-10-13 19:23:46,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:46" (1/1) ... [2019-10-13 19:23:46,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:46,159 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:46,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:46,844 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:47,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:47,087 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:47,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:47 WrapperNode [2019-10-13 19:23:47,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:47,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:47,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:47,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:47,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:47" (1/1) ... [2019-10-13 19:23:47,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:47" (1/1) ... [2019-10-13 19:23:47,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:47" (1/1) ... [2019-10-13 19:23:47,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:47" (1/1) ... [2019-10-13 19:23:47,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:47" (1/1) ... [2019-10-13 19:23:47,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:47" (1/1) ... [2019-10-13 19:23:47,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:47" (1/1) ... [2019-10-13 19:23:47,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:47,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:47,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:47,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:47,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:47" (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 19:23:47,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:47,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:47,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:47,388 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:47,388 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:47,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:47,391 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:47,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:47,392 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:47,392 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:47,394 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:47,396 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:47,396 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:47,396 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:47,396 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:47,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:47,399 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:47,399 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:47,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:47,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:47,399 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:47,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:47,400 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:47,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:47,400 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:47,401 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:47,401 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:47,401 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:47,401 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:47,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:47,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:47,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:47,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:23:47,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:23:47,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:23:47,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:23:47,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:47,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:47,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:47,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:47,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:47,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:47,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:47,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:47,405 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:47,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:47,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:47,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:47,406 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:47,406 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:47,406 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:47,410 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:47,410 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:47,410 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:47,410 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:47,410 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:23:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:23:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:23:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:23:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:49,862 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:49,862 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:49,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:49 BoogieIcfgContainer [2019-10-13 19:23:49,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:49,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:49,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:49,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:49,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:46" (1/3) ... [2019-10-13 19:23:49,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575f114a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:49, skipping insertion in model container [2019-10-13 19:23:49,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:47" (2/3) ... [2019-10-13 19:23:49,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575f114a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:49, skipping insertion in model container [2019-10-13 19:23:49,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:49" (3/3) ... [2019-10-13 19:23:49,872 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product09.cil.c [2019-10-13 19:23:49,882 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:49,893 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:49,905 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:49,945 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:49,946 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:49,946 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:49,946 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:49,946 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:49,946 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:49,946 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:49,947 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:49,982 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states. [2019-10-13 19:23:50,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-13 19:23:50,017 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:50,019 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:50,022 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:50,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:50,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1110601002, now seen corresponding path program 1 times [2019-10-13 19:23:50,041 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:50,041 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524444160] [2019-10-13 19:23:50,041 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:50,041 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:50,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:51,725 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,093 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:23:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,374 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:23:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:23:52,624 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524444160] [2019-10-13 19:23:52,625 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:52,625 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:23:52,625 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307179016] [2019-10-13 19:23:52,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:23:52,631 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:52,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:23:52,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:23:52,649 INFO L87 Difference]: Start difference. First operand 728 states. Second operand 10 states. [2019-10-13 19:23:53,777 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:23:55,027 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:23:56,214 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 387 [2019-10-13 19:23:58,057 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:23:59,404 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:24:21,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:24:21,106 INFO L93 Difference]: Finished difference Result 1676 states and 3031 transitions. [2019-10-13 19:24:21,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:24:21,109 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2019-10-13 19:24:21,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:24:21,154 INFO L225 Difference]: With dead ends: 1676 [2019-10-13 19:24:21,154 INFO L226 Difference]: Without dead ends: 1097 [2019-10-13 19:24:21,168 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:24:21,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2019-10-13 19:24:21,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 568. [2019-10-13 19:24:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2019-10-13 19:24:21,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 917 transitions. [2019-10-13 19:24:21,513 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 917 transitions. Word has length 109 [2019-10-13 19:24:21,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:24:21,515 INFO L462 AbstractCegarLoop]: Abstraction has 568 states and 917 transitions. [2019-10-13 19:24:21,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:24:21,515 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 917 transitions. [2019-10-13 19:24:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 19:24:21,529 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:21,529 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:24:21,529 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:21,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:21,531 INFO L82 PathProgramCache]: Analyzing trace with hash 513878495, now seen corresponding path program 1 times [2019-10-13 19:24:21,531 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:21,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124572775] [2019-10-13 19:24:21,531 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:21,531 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:21,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:22,874 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:24:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,255 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:24:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,455 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:24:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:24:23,896 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124572775] [2019-10-13 19:24:23,896 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:24:23,897 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:24:23,897 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257532471] [2019-10-13 19:24:23,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:24:23,911 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:24:23,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:24:23,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:24:23,917 INFO L87 Difference]: Start difference. First operand 568 states and 917 transitions. Second operand 13 states. [2019-10-13 19:24:25,425 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 112