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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:20:34,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:20:34,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:20:34,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:20:34,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:20:34,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:20:34,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:20:34,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:20:34,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:20:34,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:20:34,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:20:34,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:20:34,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:20:34,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:20:34,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:20:34,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:20:34,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:20:34,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:20:34,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:20:34,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:20:34,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:20:34,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:20:34,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:20:34,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:20:34,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:20:34,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:20:34,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:20:34,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:20:34,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:20:34,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:20:34,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:20:34,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:20:34,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:20:34,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:20:34,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:20:34,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:20:34,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:20:34,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:20:34,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:20:34,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:20:34,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:20:34,817 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 23:20:34,843 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:20:34,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:20:34,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:20:34,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:20:34,846 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:20:34,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:20:34,846 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:20:34,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:20:34,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:20:34,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:20:34,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:20:34,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:20:34,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:20:34,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:20:34,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:20:34,849 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:20:34,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:20:34,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:20:34,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:20:34,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:20:34,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:20:34,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:20:34,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:20:34,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:20:34,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:20:34,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:20:34,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:20:34,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:20:34,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:20:35,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:20:35,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:20:35,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:20:35,173 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:20:35,174 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:20:35,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c [2019-10-14 23:20:35,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f0ad2487/9808226215834e0292b6bbc1c141f284/FLAGd03b41243 [2019-10-14 23:20:35,923 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:20:35,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c [2019-10-14 23:20:35,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f0ad2487/9808226215834e0292b6bbc1c141f284/FLAGd03b41243 [2019-10-14 23:20:36,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f0ad2487/9808226215834e0292b6bbc1c141f284 [2019-10-14 23:20:36,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:20:36,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:20:36,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:20:36,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:20:36,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:20:36,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:20:36" (1/1) ... [2019-10-14 23:20:36,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338e2a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:36, skipping insertion in model container [2019-10-14 23:20:36,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:20:36" (1/1) ... [2019-10-14 23:20:36,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:20:36,216 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:20:36,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:20:37,007 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:20:37,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:20:37,250 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:20:37,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:37 WrapperNode [2019-10-14 23:20:37,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:20:37,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:20:37,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:20:37,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:20:37,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:37" (1/1) ... [2019-10-14 23:20:37,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:37" (1/1) ... [2019-10-14 23:20:37,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:37" (1/1) ... [2019-10-14 23:20:37,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:37" (1/1) ... [2019-10-14 23:20:37,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:37" (1/1) ... [2019-10-14 23:20:37,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:37" (1/1) ... [2019-10-14 23:20:37,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:37" (1/1) ... [2019-10-14 23:20:37,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:20:37,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:20:37,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:20:37,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:20:37,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:37" (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 23:20:37,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:20:37,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:20:37,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:20:37,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:20:37,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:20:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:20:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:20:37,514 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:20:37,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:20:37,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:20:37,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:20:37,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:20:37,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:20:37,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:20:37,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:20:37,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:20:37,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:20:37,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:20:37,520 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:20:37,520 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:20:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:20:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:20:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:20:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:20:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:20:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:20:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:20:37,523 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:20:37,523 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:20:37,523 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:20:37,523 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:20:37,523 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:20:37,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:20:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:20:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:20:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:20:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:20:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:20:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:20:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:20:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:20:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:20:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:20:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:20:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:20:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:20:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:20:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:20:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:20:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:20:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:20:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:20:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:20:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:20:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:20:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:20:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:20:37,528 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:20:37,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:20:37,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:20:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:20:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:20:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:20:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:20:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:20:37,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:20:37,530 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:20:37,530 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:20:37,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:20:37,531 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:20:37,531 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:20:37,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:20:37,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:20:37,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:20:37,532 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:20:37,532 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:20:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:20:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:20:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:20:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:20:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:20:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:20:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:20:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:20:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:20:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:20:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:20:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:20:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:20:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:20:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:20:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:20:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:20:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:20:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:20:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:20:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:20:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:20:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:20:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:20:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:20:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:20:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:20:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:20:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:20:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:20:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:20:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:20:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:20:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:20:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:20:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:20:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:20:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:20:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:20:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:20:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:20:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:20:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:20:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:20:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:20:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:20:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:20:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:20:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:20:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:20:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:20:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:20:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:20:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:20:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:20:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:20:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:20:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:20:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:20:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:20:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:20:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:20:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:20:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:20:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:20:37,555 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:20:37,555 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:20:37,555 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:20:37,555 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:20:37,555 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:20:37,556 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:20:37,556 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:20:37,556 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:20:37,556 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:20:37,556 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:20:37,557 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:20:37,557 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:20:37,557 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:20:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:20:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:20:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:20:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:20:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:20:39,840 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:20:39,840 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:20:39,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:20:39 BoogieIcfgContainer [2019-10-14 23:20:39,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:20:39,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:20:39,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:20:39,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:20:39,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:20:36" (1/3) ... [2019-10-14 23:20:39,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2a49fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:20:39, skipping insertion in model container [2019-10-14 23:20:39,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:37" (2/3) ... [2019-10-14 23:20:39,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2a49fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:20:39, skipping insertion in model container [2019-10-14 23:20:39,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:20:39" (3/3) ... [2019-10-14 23:20:39,853 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product01.cil.c [2019-10-14 23:20:39,864 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:20:39,882 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:20:39,893 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:20:39,939 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:20:39,940 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:20:39,940 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:20:39,940 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:20:39,940 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:20:39,940 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:20:39,940 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:20:39,940 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:20:39,987 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states. [2019-10-14 23:20:40,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-14 23:20:40,012 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:20:40,014 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:20:40,016 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:20:40,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:20:40,023 INFO L82 PathProgramCache]: Analyzing trace with hash 579631, now seen corresponding path program 1 times [2019-10-14 23:20:40,033 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:20:40,033 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344377901] [2019-10-14 23:20:40,034 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:20:40,034 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:20:40,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:20:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:41,663 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 382 [2019-10-14 23:20:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,010 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-14 23:20:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:42,570 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 23:20:42,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344377901] [2019-10-14 23:20:42,573 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:20:42,573 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:20:42,574 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740868856] [2019-10-14 23:20:42,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:20:42,581 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:20:42,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:20:42,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:20:42,604 INFO L87 Difference]: Start difference. First operand 721 states. Second operand 10 states. [2019-10-14 23:20:43,642 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:20:44,528 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-14 23:20:45,346 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2019-10-14 23:20:47,055 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-14 23:20:48,231 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:21:10,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:21:10,355 INFO L93 Difference]: Finished difference Result 1657 states and 3008 transitions. [2019-10-14 23:21:10,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-14 23:21:10,357 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2019-10-14 23:21:10,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:21:10,396 INFO L225 Difference]: With dead ends: 1657 [2019-10-14 23:21:10,396 INFO L226 Difference]: Without dead ends: 1085 [2019-10-14 23:21:10,407 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-14 23:21:10,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2019-10-14 23:21:10,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 561. [2019-10-14 23:21:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2019-10-14 23:21:10,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 909 transitions. [2019-10-14 23:21:10,707 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 909 transitions. Word has length 107 [2019-10-14 23:21:10,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:21:10,707 INFO L462 AbstractCegarLoop]: Abstraction has 561 states and 909 transitions. [2019-10-14 23:21:10,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:21:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 909 transitions. [2019-10-14 23:21:10,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-14 23:21:10,716 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:10,716 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:21:10,717 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:10,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:10,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1624649059, now seen corresponding path program 1 times [2019-10-14 23:21:10,718 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:10,718 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451880711] [2019-10-14 23:21:10,718 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:10,718 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:10,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:11,615 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-14 23:21:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:11,855 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-14 23:21:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,415 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 23:21:12,415 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451880711] [2019-10-14 23:21:12,415 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:12,416 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:21:12,416 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975317404] [2019-10-14 23:21:12,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:21:12,418 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:12,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:21:12,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:21:12,419 INFO L87 Difference]: Start difference. First operand 561 states and 909 transitions. Second operand 13 states. [2019-10-14 23:21:14,862 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 385