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_spec14_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:20:16,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:20:17,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:20:17,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:20:17,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:20:17,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:20:17,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:20:17,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:20:17,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:20:17,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:20:17,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:20:17,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:20:17,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:20:17,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:20:17,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:20:17,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:20:17,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:20:17,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:20:17,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:20:17,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:20:17,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:20:17,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:20:17,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:20:17,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:20:17,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:20:17,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:20:17,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:20:17,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:20:17,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:20:17,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:20:17,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:20:17,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:20:17,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:20:17,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:20:17,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:20:17,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:20:17,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:20:17,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:20:17,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:20:17,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:20:17,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:20:17,081 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 19:20:17,108 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:20:17,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:20:17,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:20:17,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:20:17,116 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:20:17,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:20:17,117 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:20:17,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:20:17,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:20:17,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:20:17,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:20:17,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:20:17,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:20:17,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:20:17,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:20:17,121 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:20:17,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:20:17,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:20:17,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:20:17,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:20:17,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:20:17,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:20:17,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:20:17,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:20:17,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:20:17,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:20:17,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:20:17,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:20:17,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:20:17,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:20:17,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:20:17,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:20:17,387 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:20:17,387 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:20:17,388 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product31.cil.c [2019-10-13 19:20:17,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9db2436a/8d671df700c749e0a1b7572cdfff1812/FLAGadfbf816f [2019-10-13 19:20:18,075 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:20:18,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec14_product31.cil.c [2019-10-13 19:20:18,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9db2436a/8d671df700c749e0a1b7572cdfff1812/FLAGadfbf816f [2019-10-13 19:20:18,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9db2436a/8d671df700c749e0a1b7572cdfff1812 [2019-10-13 19:20:18,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:20:18,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:20:18,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:20:18,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:20:18,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:20:18,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:18" (1/1) ... [2019-10-13 19:20:18,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32777701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:18, skipping insertion in model container [2019-10-13 19:20:18,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:18" (1/1) ... [2019-10-13 19:20:18,291 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:20:18,377 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:20:19,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:20:19,106 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:20:19,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:20:19,341 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:20:19,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:19 WrapperNode [2019-10-13 19:20:19,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:20:19,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:20:19,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:20:19,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:20:19,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:19" (1/1) ... [2019-10-13 19:20:19,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:19" (1/1) ... [2019-10-13 19:20:19,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:19" (1/1) ... [2019-10-13 19:20:19,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:19" (1/1) ... [2019-10-13 19:20:19,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:19" (1/1) ... [2019-10-13 19:20:19,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:19" (1/1) ... [2019-10-13 19:20:19,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:19" (1/1) ... [2019-10-13 19:20:19,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:20:19,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:20:19,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:20:19,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:20:19,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:19" (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 19:20:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:20:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:20:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:20:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:20:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:20:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:20:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:20:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:20:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:20:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:20:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:20:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:20:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:20:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:20:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:20:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:20:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:20:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:20:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:20:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:20:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:20:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:20:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:20:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:20:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:20:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:20:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:20:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:20:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:20:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:20:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:20:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:20:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:20:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:20:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:20:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:20:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:20:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:20:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:20:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:20:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:20:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:20:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:20:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:20:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:20:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:20:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:20:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:20:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:20:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:20:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:20:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:20:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:20:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:20:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:20:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:20:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:20:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:20:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:20:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:20:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:20:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:20:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:20:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:20:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:20:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:20:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:20:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:20:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:20:19,642 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:20:19,642 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:20:19,642 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:20:19,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:20:19,642 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:20:19,643 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:20:19,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2019-10-13 19:20:19,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:20:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:20:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:20:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:20:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:20:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:20:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:20:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:20:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:20:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:20:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:20:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:20:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:20:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:20:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:20:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:20:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:20:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:20:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:20:19,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:20:19,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:20:19,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:20:19,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:20:19,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:20:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:20:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:20:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:20:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:20:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:20:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:20:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:20:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:20:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:20:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:20:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:20:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:20:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:20:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:20:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:20:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:20:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:20:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:20:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:20:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:20:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:20:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:20:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:20:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:20:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:20:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:20:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:20:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:20:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:20:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:20:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:20:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:20:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:20:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:20:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:20:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:20:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:20:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:20:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:20:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:20:19,666 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:20:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:20:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:20:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:20:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:20:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:20:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2019-10-13 19:20:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:20:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:20:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:20:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:20:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:20:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:20:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:20:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:20:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:20:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:20:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:20:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:20:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:20:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:20:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:20:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:20:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:20:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:20:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:20:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:20:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:20:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:20:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:20:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:20:22,022 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:20:22,022 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:20:22,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:22 BoogieIcfgContainer [2019-10-13 19:20:22,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:20:22,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:20:22,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:20:22,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:20:22,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:20:18" (1/3) ... [2019-10-13 19:20:22,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256d1a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:22, skipping insertion in model container [2019-10-13 19:20:22,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:19" (2/3) ... [2019-10-13 19:20:22,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256d1a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:22, skipping insertion in model container [2019-10-13 19:20:22,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:22" (3/3) ... [2019-10-13 19:20:22,034 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product31.cil.c [2019-10-13 19:20:22,045 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:20:22,055 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:20:22,066 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:20:22,107 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:20:22,107 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:20:22,107 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:20:22,107 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:20:22,108 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:20:22,108 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:20:22,108 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:20:22,108 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:20:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states. [2019-10-13 19:20:22,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 19:20:22,185 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:20:22,189 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:22,193 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:20:22,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:20:22,198 INFO L82 PathProgramCache]: Analyzing trace with hash 716807199, now seen corresponding path program 1 times [2019-10-13 19:20:22,204 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:20:22,205 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135974718] [2019-10-13 19:20:22,205 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:22,205 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:22,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:20:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,619 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-13 19:20:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:24,047 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-13 19:20:24,048 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135974718] [2019-10-13 19:20:24,049 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:20:24,049 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:20:24,050 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611050855] [2019-10-13 19:20:24,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:20:24,055 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:20:24,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:20:24,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:20:24,071 INFO L87 Difference]: Start difference. First operand 782 states. Second operand 8 states. [2019-10-13 19:20:25,624 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:20:26,394 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-10-13 19:20:39,054 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:20:45,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:20:45,232 INFO L93 Difference]: Finished difference Result 1594 states and 2712 transitions. [2019-10-13 19:20:45,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 19:20:45,239 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2019-10-13 19:20:45,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:20:45,278 INFO L225 Difference]: With dead ends: 1594 [2019-10-13 19:20:45,279 INFO L226 Difference]: Without dead ends: 918 [2019-10-13 19:20:45,291 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:20:45,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2019-10-13 19:20:45,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 634. [2019-10-13 19:20:45,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2019-10-13 19:20:45,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 994 transitions. [2019-10-13 19:20:45,546 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 994 transitions. Word has length 135 [2019-10-13 19:20:45,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:20:45,546 INFO L462 AbstractCegarLoop]: Abstraction has 634 states and 994 transitions. [2019-10-13 19:20:45,547 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:20:45,547 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 994 transitions. [2019-10-13 19:20:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 19:20:45,556 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:20:45,557 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:45,557 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:20:45,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:20:45,564 INFO L82 PathProgramCache]: Analyzing trace with hash -936222646, now seen corresponding path program 1 times [2019-10-13 19:20:45,564 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:20:45,565 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114938633] [2019-10-13 19:20:45,565 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:45,565 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:45,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:20:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,412 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-13 19:20:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,609 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:20:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:46,834 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-13 19:20:46,834 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114938633] [2019-10-13 19:20:46,835 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:20:46,835 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:20:46,835 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861540500] [2019-10-13 19:20:46,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:20:46,838 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:20:46,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:20:46,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:20:46,838 INFO L87 Difference]: Start difference. First operand 634 states and 994 transitions. Second operand 8 states. [2019-10-13 19:20:48,262 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:20:49,046 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 381