java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:10,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:10,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:10,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:10,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:10,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:10,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:10,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:10,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:10,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:10,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:10,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:10,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:10,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:10,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:10,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:10,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:10,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:10,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:10,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:10,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:10,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:10,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:10,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:10,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:10,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:10,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:10,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:10,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:10,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:10,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:10,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:10,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:10,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:10,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:10,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:10,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:10,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:10,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:10,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:10,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:10,370 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:21:10,383 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:10,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:10,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:10,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:10,385 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:10,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:10,386 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:10,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:10,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:10,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:10,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:10,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:10,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:10,387 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:10,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:10,388 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:10,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:10,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:10,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:10,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:10,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:10,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:10,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:10,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:10,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:10,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:10,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:10,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:10,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:10,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:10,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:10,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:10,687 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:10,687 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:10,688 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product24.cil.c [2019-10-14 23:21:10,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4ff244a/7802906db8f843f7bf2efdb61ddd1d2d/FLAGd24d5f663 [2019-10-14 23:21:11,389 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:11,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product24.cil.c [2019-10-14 23:21:11,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4ff244a/7802906db8f843f7bf2efdb61ddd1d2d/FLAGd24d5f663 [2019-10-14 23:21:11,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4ff244a/7802906db8f843f7bf2efdb61ddd1d2d [2019-10-14 23:21:11,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:11,600 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:11,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:11,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:11,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:11,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:11" (1/1) ... [2019-10-14 23:21:11,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e54d529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:11, skipping insertion in model container [2019-10-14 23:21:11,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:11" (1/1) ... [2019-10-14 23:21:11,620 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:11,711 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:12,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:12,398 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:12,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:12,569 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:12,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12 WrapperNode [2019-10-14 23:21:12,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:12,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:12,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:12,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:12,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:12,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:12,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:12,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:12,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:21:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:21:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:12,917 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:12,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:12,917 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-14 23:21:12,917 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:21:12,917 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:12,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:12,918 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:12,918 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-14 23:21:12,918 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:21:12,919 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:12,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:12,919 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:12,919 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-14 23:21:12,919 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-14 23:21:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:21:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:21:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:12,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:12,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:12,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:12,921 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:12,921 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:21:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:21:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:21:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:21:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-14 23:21:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:21:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-14 23:21:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:21:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-14 23:21:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-14 23:21:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:15,594 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:15,595 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:15,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:15 BoogieIcfgContainer [2019-10-14 23:21:15,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:15,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:15,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:15,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:15,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:11" (1/3) ... [2019-10-14 23:21:15,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530925d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:15, skipping insertion in model container [2019-10-14 23:21:15,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (2/3) ... [2019-10-14 23:21:15,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530925d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:15, skipping insertion in model container [2019-10-14 23:21:15,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:15" (3/3) ... [2019-10-14 23:21:15,606 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product24.cil.c [2019-10-14 23:21:15,616 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:15,628 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:15,640 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:15,687 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:15,687 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:15,687 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:15,688 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:15,688 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:15,688 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:15,688 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:15,688 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states. [2019-10-14 23:21:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-14 23:21:15,760 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:15,761 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:21:15,763 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:15,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:15,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1311658421, now seen corresponding path program 1 times [2019-10-14 23:21:15,781 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:15,781 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788437293] [2019-10-14 23:21:15,781 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:15,782 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:15,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,415 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:21:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,712 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:21:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:21:18,070 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788437293] [2019-10-14 23:21:18,070 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:18,071 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:21:18,071 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331501902] [2019-10-14 23:21:18,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:21:18,076 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:18,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:21:18,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:21:18,093 INFO L87 Difference]: Start difference. First operand 817 states. Second operand 9 states. [2019-10-14 23:21:20,047 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-10-14 23:21:21,018 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-10-14 23:21:22,478 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:21:40,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:21:40,450 INFO L93 Difference]: Finished difference Result 1734 states and 2986 transitions. [2019-10-14 23:21:40,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:21:40,453 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-14 23:21:40,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:21:40,489 INFO L225 Difference]: With dead ends: 1734 [2019-10-14 23:21:40,489 INFO L226 Difference]: Without dead ends: 1088 [2019-10-14 23:21:40,502 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:21:40,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2019-10-14 23:21:40,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 650. [2019-10-14 23:21:40,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2019-10-14 23:21:40,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1029 transitions. [2019-10-14 23:21:40,750 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1029 transitions. Word has length 85 [2019-10-14 23:21:40,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:21:40,751 INFO L462 AbstractCegarLoop]: Abstraction has 650 states and 1029 transitions. [2019-10-14 23:21:40,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:21:40,752 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1029 transitions. [2019-10-14 23:21:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-14 23:21:40,756 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:40,757 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:21:40,757 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:40,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:40,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1025593736, now seen corresponding path program 1 times [2019-10-14 23:21:40,758 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:40,758 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328859890] [2019-10-14 23:21:40,758 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:40,758 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:40,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,701 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:21:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,948 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:21:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:21:42,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328859890] [2019-10-14 23:21:42,262 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:42,263 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:21:42,263 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033082831] [2019-10-14 23:21:42,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:21:42,265 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:42,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:21:42,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:21:42,266 INFO L87 Difference]: Start difference. First operand 650 states and 1029 transitions. Second operand 9 states. [2019-10-14 23:21:44,243 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-10-14 23:21:45,164 WARN L191 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-10-14 23:21:46,600 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121