java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:22:01,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:22:01,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:22:01,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:22:01,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:22:01,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:22:01,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:22:01,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:22:01,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:22:01,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:22:01,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:22:01,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:22:01,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:22:01,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:22:01,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:22:01,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:22:01,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:22:01,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:22:01,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:22:01,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:22:01,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:22:01,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:22:01,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:22:01,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:22:01,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:22:01,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:22:01,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:22:01,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:22:01,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:22:01,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:22:01,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:22:01,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:22:01,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:22:01,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:22:01,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:22:01,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:22:01,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:22:01,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:22:01,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:22:01,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:22:01,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:22:01,679 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 23:22:01,698 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:22:01,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:22:01,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:22:01,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:22:01,701 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:22:01,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:22:01,701 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:22:01,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:22:01,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:22:01,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:22:01,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:22:01,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:22:01,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:22:01,704 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:22:01,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:22:01,704 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:22:01,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:22:01,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:22:01,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:22:01,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:22:01,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:22:01,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:22:01,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:22:01,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:22:01,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:22:01,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:22:01,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:22:01,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:22:01,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:22:01,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:22:01,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:22:01,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:22:01,991 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:22:01,991 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:22:01,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product20.cil.c [2019-10-14 23:22:02,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54acb593/d0182c3310c943ebbb1ad033fc450a83/FLAGd7d62a587 [2019-10-14 23:22:02,674 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:22:02,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product20.cil.c [2019-10-14 23:22:02,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54acb593/d0182c3310c943ebbb1ad033fc450a83/FLAGd7d62a587 [2019-10-14 23:22:02,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54acb593/d0182c3310c943ebbb1ad033fc450a83 [2019-10-14 23:22:02,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:22:02,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:22:02,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:02,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:22:02,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:22:02,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:02" (1/1) ... [2019-10-14 23:22:02,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52986215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:02, skipping insertion in model container [2019-10-14 23:22:02,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:02" (1/1) ... [2019-10-14 23:22:02,906 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:22:02,992 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:22:03,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:03,842 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:22:04,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:04,108 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:22:04,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:04 WrapperNode [2019-10-14 23:22:04,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:04,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:22:04,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:22:04,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:22:04,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:04" (1/1) ... [2019-10-14 23:22:04,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:04" (1/1) ... [2019-10-14 23:22:04,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:04" (1/1) ... [2019-10-14 23:22:04,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:04" (1/1) ... [2019-10-14 23:22:04,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:04" (1/1) ... [2019-10-14 23:22:04,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:04" (1/1) ... [2019-10-14 23:22:04,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:04" (1/1) ... [2019-10-14 23:22:04,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:22:04,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:22:04,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:22:04,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:22:04,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:04" (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 23:22:04,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:22:04,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:22:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:22:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:22:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:22:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:22:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:22:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:22:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:22:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:22:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:22:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:22:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:22:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:22:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:22:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:22:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:22:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:22:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:22:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:22:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:22:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:22:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:22:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:22:04,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:22:04,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:22:04,412 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:22:04,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:22:04,412 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-14 23:22:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:22:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:22:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:22:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-14 23:22:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:22:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:22:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-14 23:22:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:22:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-14 23:22:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:22:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:22:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:22:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:22:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:22:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:22:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:22:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:22:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:22:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:22:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:22:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:22:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:22:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:22:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:22:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:22:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:22:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:22:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:22:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:22:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:22:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:22:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:22:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:22:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:22:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:22:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:22:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:22:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:22:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:22:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:22:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:22:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:22:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:22:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:22:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:22:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:22:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:22:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:22:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:22:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:22:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:22:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:22:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:22:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:22:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:22:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:22:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:22:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:22:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:22:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:22:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:22:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:22:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:22:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:22:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:22:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:22:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:22:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:22:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:22:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:22:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:22:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:22:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:22:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:22:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:22:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:22:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:22:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:22:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:22:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:22:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:22:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-14 23:22:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:22:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:22:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-14 23:22:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:22:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:22:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-14 23:22:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:22:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:22:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-14 23:22:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:22:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:22:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:22:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:22:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:22:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:22:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:22:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:22:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:22:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:22:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:22:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:22:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:22:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:22:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:22:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:22:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:22:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:22:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:22:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:22:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:22:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:22:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:22:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:22:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:22:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:22:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:22:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:22:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:22:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:22:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:22:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:22:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:22:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:22:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:22:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:22:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:22:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:22:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:22:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:22:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:22:06,788 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:22:06,788 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:22:06,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:06 BoogieIcfgContainer [2019-10-14 23:22:06,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:22:06,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:22:06,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:22:06,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:22:06,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:22:02" (1/3) ... [2019-10-14 23:22:06,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ec3f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:06, skipping insertion in model container [2019-10-14 23:22:06,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:04" (2/3) ... [2019-10-14 23:22:06,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ec3f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:06, skipping insertion in model container [2019-10-14 23:22:06,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:06" (3/3) ... [2019-10-14 23:22:06,800 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product20.cil.c [2019-10-14 23:22:06,810 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:22:06,824 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:22:06,836 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:22:06,887 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:22:06,887 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:22:06,887 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:22:06,888 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:22:06,888 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:22:06,888 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:22:06,888 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:22:06,888 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:22:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states. [2019-10-14 23:22:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-14 23:22:06,946 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:06,948 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:22:06,950 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:06,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:06,956 INFO L82 PathProgramCache]: Analyzing trace with hash 728591762, now seen corresponding path program 1 times [2019-10-14 23:22:06,966 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:06,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111374338] [2019-10-14 23:22:06,967 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:06,967 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:06,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,581 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:22:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,813 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:22:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:22:09,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111374338] [2019-10-14 23:22:09,279 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:09,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:22:09,280 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846344133] [2019-10-14 23:22:09,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:22:09,286 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:09,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:22:09,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:22:09,304 INFO L87 Difference]: Start difference. First operand 809 states. Second operand 12 states. [2019-10-14 23:22:11,881 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:12,855 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:13,778 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:14,814 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:15,701 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-14 23:22:18,974 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-14 23:22:36,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:22:36,634 INFO L93 Difference]: Finished difference Result 1621 states and 2797 transitions. [2019-10-14 23:22:36,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-14 23:22:36,637 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2019-10-14 23:22:36,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:22:36,672 INFO L225 Difference]: With dead ends: 1621 [2019-10-14 23:22:36,673 INFO L226 Difference]: Without dead ends: 979 [2019-10-14 23:22:36,684 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2019-10-14 23:22:36,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2019-10-14 23:22:36,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 648. [2019-10-14 23:22:36,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2019-10-14 23:22:36,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1027 transitions. [2019-10-14 23:22:36,994 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1027 transitions. Word has length 93 [2019-10-14 23:22:36,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:22:36,995 INFO L462 AbstractCegarLoop]: Abstraction has 648 states and 1027 transitions. [2019-10-14 23:22:36,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:22:36,995 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1027 transitions. [2019-10-14 23:22:37,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-14 23:22:37,003 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:37,004 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:22:37,004 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:37,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:37,005 INFO L82 PathProgramCache]: Analyzing trace with hash -2105197679, now seen corresponding path program 1 times [2019-10-14 23:22:37,005 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:37,005 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14225656] [2019-10-14 23:22:37,005 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:37,005 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:37,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:37,920 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:22:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:38,130 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:22:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:22:38,459 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14225656] [2019-10-14 23:22:38,459 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:38,460 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:22:38,460 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308984309] [2019-10-14 23:22:38,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:22:38,462 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:38,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:22:38,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:22:38,463 INFO L87 Difference]: Start difference. First operand 648 states and 1027 transitions. Second operand 9 states. [2019-10-14 23:22:39,180 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-14 23:22:40,065 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:40,911 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-14 23:22:43,231 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 148