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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:22:05,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:22:05,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:22:05,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:22:05,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:22:05,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:22:05,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:22:05,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:22:05,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:22:05,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:22:05,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:22:05,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:22:05,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:22:05,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:22:05,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:22:05,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:22:05,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:22:05,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:22:05,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:22:05,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:22:05,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:22:05,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:22:05,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:22:05,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:22:05,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:22:05,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:22:05,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:22:05,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:22:05,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:22:05,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:22:05,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:22:05,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:22:05,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:22:05,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:22:05,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:22:05,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:22:05,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:22:05,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:22:05,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:22:05,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:22:05,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:22:05,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:22:05,504 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:22:05,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:22:05,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:22:05,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:22:05,506 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:22:05,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:22:05,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:22:05,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:22:05,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:22:05,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:22:05,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:22:05,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:22:05,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:22:05,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:22:05,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:22:05,508 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:22:05,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:22:05,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:22:05,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:22:05,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:22:05,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:22:05,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:22:05,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:22:05,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:22:05,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:22:05,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:22:05,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:22:05,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:22:05,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:22:05,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:22:05,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:22:05,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:22:05,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:22:05,852 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:22:05,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product23.cil.c [2019-10-13 19:22:05,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04997b004/9e45fb7405184b0d84fbc66bb6a5026c/FLAGb1d07a010 [2019-10-13 19:22:06,623 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:22:06,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product23.cil.c [2019-10-13 19:22:06,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04997b004/9e45fb7405184b0d84fbc66bb6a5026c/FLAGb1d07a010 [2019-10-13 19:22:06,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04997b004/9e45fb7405184b0d84fbc66bb6a5026c [2019-10-13 19:22:06,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:22:06,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:22:06,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:22:06,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:22:06,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:22:06,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:22:06" (1/1) ... [2019-10-13 19:22:06,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a425a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:06, skipping insertion in model container [2019-10-13 19:22:06,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:22:06" (1/1) ... [2019-10-13 19:22:06,802 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:22:06,889 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:22:07,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:22:07,742 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:22:07,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:22:08,002 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:22:08,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:08 WrapperNode [2019-10-13 19:22:08,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:22:08,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:22:08,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:22:08,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:22:08,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:08" (1/1) ... [2019-10-13 19:22:08,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:08" (1/1) ... [2019-10-13 19:22:08,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:08" (1/1) ... [2019-10-13 19:22:08,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:08" (1/1) ... [2019-10-13 19:22:08,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:08" (1/1) ... [2019-10-13 19:22:08,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:08" (1/1) ... [2019-10-13 19:22:08,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:08" (1/1) ... [2019-10-13 19:22:08,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:22:08,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:22:08,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:22:08,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:22:08,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:22:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:22:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:22:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:22:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:22:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:22:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:22:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:22:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:22:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:22:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:22:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:22:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:22:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:22:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:22:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:22:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:22:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:22:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:22:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:22:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:22:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:22:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:22:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:22:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:22:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:22:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:22:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:22:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:22:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:22:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:22:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:22:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:22:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:22:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:22:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:22:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:22:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:22:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:22:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:22:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:22:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:22:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:22:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:22:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:22:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:22:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:22:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:22:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:22:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:22:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:22:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:22:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:22:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:22:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:22:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:22:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:22:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:22:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:22:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:22:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:22:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:22:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:22:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:22:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:22:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:22:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:22:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:22:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:22:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:22:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:22:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:22:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:22:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:22:08,296 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:22:08,296 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:22:08,296 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:22:08,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:22:08,296 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:22:08,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:22:08,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:22:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:22:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:22:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:22:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:22:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:22:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:22:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:22:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:22:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:22:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:22:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:22:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:22:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:22:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:22:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:22:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:22:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:22:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:22:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:22:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:22:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:22:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:22:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:22:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:22:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:22:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:22:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:22:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:22:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:22:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:22:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:22:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:22:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:22:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:22:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:22:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:22:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:22:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:22:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:22:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:22:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:22:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:22:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:22:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:22:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:22:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:22:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:22:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:22:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:22:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:22:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:22:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:22:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:22:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:22:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:22:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:22:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:22:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:22:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:22:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:22:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:22:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:22:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:22:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:22:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:22:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:22:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:22:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:22:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:22:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:22:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:22:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:22:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:22:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:22:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:22:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:22:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:22:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:22:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:22:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:22:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:22:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:22:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:22:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:22:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:22:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:22:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:22:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:22:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:22:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:22:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:22:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:22:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:22:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:22:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:22:10,743 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:22:10,744 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:22:10,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:22:10 BoogieIcfgContainer [2019-10-13 19:22:10,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:22:10,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:22:10,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:22:10,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:22:10,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:22:06" (1/3) ... [2019-10-13 19:22:10,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f52eb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:22:10, skipping insertion in model container [2019-10-13 19:22:10,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:08" (2/3) ... [2019-10-13 19:22:10,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f52eb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:22:10, skipping insertion in model container [2019-10-13 19:22:10,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:22:10" (3/3) ... [2019-10-13 19:22:10,756 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product23.cil.c [2019-10-13 19:22:10,766 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:22:10,777 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:22:10,790 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:22:10,834 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:22:10,834 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:22:10,834 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:22:10,835 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:22:10,835 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:22:10,835 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:22:10,835 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:22:10,835 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:22:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states. [2019-10-13 19:22:10,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 19:22:10,911 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:10,912 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:22:10,915 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:10,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:10,922 INFO L82 PathProgramCache]: Analyzing trace with hash -425142213, now seen corresponding path program 1 times [2019-10-13 19:22:10,931 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:10,931 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537513752] [2019-10-13 19:22:10,932 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:10,932 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:10,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,556 WARN L191 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:22:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,859 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:22:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,089 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:22:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:22:13,407 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537513752] [2019-10-13 19:22:13,408 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:13,408 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:22:13,408 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888001208] [2019-10-13 19:22:13,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:22:13,415 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:13,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:22:13,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:22:13,433 INFO L87 Difference]: Start difference. First operand 801 states. Second operand 10 states. [2019-10-13 19:22:14,744 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:22:15,723 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-13 19:22:16,616 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-13 19:22:18,534 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:22:23,724 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:22:37,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:22:37,184 INFO L93 Difference]: Finished difference Result 1821 states and 3182 transitions. [2019-10-13 19:22:37,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:22:37,186 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2019-10-13 19:22:37,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:22:37,223 INFO L225 Difference]: With dead ends: 1821 [2019-10-13 19:22:37,223 INFO L226 Difference]: Without dead ends: 1169 [2019-10-13 19:22:37,233 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:22:37,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2019-10-13 19:22:37,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 641. [2019-10-13 19:22:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2019-10-13 19:22:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 1016 transitions. [2019-10-13 19:22:37,555 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 1016 transitions. Word has length 133 [2019-10-13 19:22:37,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:22:37,556 INFO L462 AbstractCegarLoop]: Abstraction has 641 states and 1016 transitions. [2019-10-13 19:22:37,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:22:37,557 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1016 transitions. [2019-10-13 19:22:37,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 19:22:37,565 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:37,565 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:22:37,566 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:37,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:37,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1746655412, now seen corresponding path program 1 times [2019-10-13 19:22:37,567 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:37,567 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142888829] [2019-10-13 19:22:37,567 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:37,569 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:37,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:38,538 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:22:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:38,822 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:22:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:22:39,308 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142888829] [2019-10-13 19:22:39,308 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:39,309 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:22:39,309 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078558154] [2019-10-13 19:22:39,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:22:39,311 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:39,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:22:39,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:22:39,312 INFO L87 Difference]: Start difference. First operand 641 states and 1016 transitions. Second operand 10 states. [2019-10-13 19:22:41,667 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-13 19:22:42,545 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-13 19:22:44,380 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127