java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:22:33,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:22:33,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:22:33,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:22:33,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:22:33,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:22:33,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:22:33,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:22:33,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:22:33,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:22:33,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:22:33,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:22:33,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:22:33,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:22:33,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:22:33,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:22:33,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:22:33,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:22:33,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:22:33,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:22:33,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:22:33,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:22:33,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:22:33,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:22:33,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:22:33,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:22:33,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:22:33,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:22:33,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:22:33,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:22:33,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:22:33,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:22:33,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:22:33,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:22:33,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:22:33,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:22:33,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:22:33,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:22:33,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:22:33,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:22:33,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:22:33,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:22:33,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:22:33,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:22:33,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:22:33,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:22:33,512 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:22:33,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:22:33,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:22:33,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:22:33,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:22:33,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:22:33,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:22:33,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:22:33,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:22:33,514 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:22:33,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:22:33,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:22:33,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:22:33,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:22:33,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:22:33,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:22:33,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:22:33,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:22:33,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:22:33,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:22:33,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:22:33,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:22:33,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:22:33,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:22:33,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:22:33,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:22:33,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:22:33,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:22:33,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:22:33,815 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:22:33,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product29.cil.c [2019-10-14 23:22:33,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe41fb72e/2b166f5fc45243fab38c2ef585d2e88d/FLAG7df25de30 [2019-10-14 23:22:34,491 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:22:34,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product29.cil.c [2019-10-14 23:22:34,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe41fb72e/2b166f5fc45243fab38c2ef585d2e88d/FLAG7df25de30 [2019-10-14 23:22:34,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe41fb72e/2b166f5fc45243fab38c2ef585d2e88d [2019-10-14 23:22:34,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:22:34,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:22:34,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:34,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:22:34,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:22:34,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:34" (1/1) ... [2019-10-14 23:22:34,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5f6572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:34, skipping insertion in model container [2019-10-14 23:22:34,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:34" (1/1) ... [2019-10-14 23:22:34,710 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:22:34,801 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:22:35,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:35,524 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:22:35,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:35,786 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:22:35,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:35 WrapperNode [2019-10-14 23:22:35,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:35,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:22:35,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:22:35,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:22:35,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:35" (1/1) ... [2019-10-14 23:22:35,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:35" (1/1) ... [2019-10-14 23:22:35,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:35" (1/1) ... [2019-10-14 23:22:35,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:35" (1/1) ... [2019-10-14 23:22:35,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:35" (1/1) ... [2019-10-14 23:22:35,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:35" (1/1) ... [2019-10-14 23:22:35,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:35" (1/1) ... [2019-10-14 23:22:35,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:22:35,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:22:35,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:22:35,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:22:35,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:22:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:22:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:22:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:22:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:22:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:22:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:22:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:22:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:22:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:22:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:22:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:22:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:22:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:22:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:22:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:22:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:22:36,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:22:36,087 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:22:36,087 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:22:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:22:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:22:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:22:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:22:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:22:36,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:22:36,089 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:22:36,089 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:22:36,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:22:36,089 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:22:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:22:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:22:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:22:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:22:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:22:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:22:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:22:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:22:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:22:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:22:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:22:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:22:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:22:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:22:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:22:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:22:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:22:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:22:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:22:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:22:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:22:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:22:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:22:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:22:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:22:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:22:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:22:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:22:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:22:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:22:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:22:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:22:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:22:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:22:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:22:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:22:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:22:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:22:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:22:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:22:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:22:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:22:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:22:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:22:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:22:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:22:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:22:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:22:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:22:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:22:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:22:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:22:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:22:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:22:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:22:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:22:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:22:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:22:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:22:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:22:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:22:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:22:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:22:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:22:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:22:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:22:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:22:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:22:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:22:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:22:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:22:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:22:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:22:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:22:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:22:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:22:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:22:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:22:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:22:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:22:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:22:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:22:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:22:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:22:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:22:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:22:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:22:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:22:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:22:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:22:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:22:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:22:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:22:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:22:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:22:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:22:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:22:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:22:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:22:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:22:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:22:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:22:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:22:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:22:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:22:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:22:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:22:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:22:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:22:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:22:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:22:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:22:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:22:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:22:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:22:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:22:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:22:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:22:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:22:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:22:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:22:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:22:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:22:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:22:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:22:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:22:38,451 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:22:38,451 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:22:38,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:38 BoogieIcfgContainer [2019-10-14 23:22:38,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:22:38,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:22:38,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:22:38,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:22:38,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:22:34" (1/3) ... [2019-10-14 23:22:38,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fbbf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:38, skipping insertion in model container [2019-10-14 23:22:38,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:35" (2/3) ... [2019-10-14 23:22:38,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fbbf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:38, skipping insertion in model container [2019-10-14 23:22:38,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:38" (3/3) ... [2019-10-14 23:22:38,463 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product29.cil.c [2019-10-14 23:22:38,473 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:22:38,482 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:22:38,493 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:22:38,524 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:22:38,524 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:22:38,525 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:22:38,525 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:22:38,525 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:22:38,525 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:22:38,525 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:22:38,525 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:22:38,559 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states. [2019-10-14 23:22:38,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-14 23:22:38,587 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:38,588 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:22:38,590 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:38,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:38,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1507991037, now seen corresponding path program 1 times [2019-10-14 23:22:38,608 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:38,608 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869975466] [2019-10-14 23:22:38,609 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:38,609 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:38,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,124 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:22:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,382 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:22:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-14 23:22:40,927 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869975466] [2019-10-14 23:22:40,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:40,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:22:40,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362882340] [2019-10-14 23:22:40,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:22:40,936 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:40,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:22:40,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:22:40,950 INFO L87 Difference]: Start difference. First operand 809 states. Second operand 13 states. [2019-10-14 23:22:43,267 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:22:44,146 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:22:45,018 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:22:45,939 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:22:46,795 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-10-14 23:22:51,106 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-14 23:22:55,864 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:22:59,016 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-14 23:23:14,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:23:14,245 INFO L93 Difference]: Finished difference Result 1674 states and 2934 transitions. [2019-10-14 23:23:14,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-14 23:23:14,248 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2019-10-14 23:23:14,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:23:14,286 INFO L225 Difference]: With dead ends: 1674 [2019-10-14 23:23:14,287 INFO L226 Difference]: Without dead ends: 1019 [2019-10-14 23:23:14,299 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930 [2019-10-14 23:23:14,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2019-10-14 23:23:14,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 655. [2019-10-14 23:23:14,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2019-10-14 23:23:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 1042 transitions. [2019-10-14 23:23:14,671 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 1042 transitions. Word has length 132 [2019-10-14 23:23:14,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:23:14,671 INFO L462 AbstractCegarLoop]: Abstraction has 655 states and 1042 transitions. [2019-10-14 23:23:14,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 23:23:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1042 transitions. [2019-10-14 23:23:14,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-14 23:23:14,678 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:14,678 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:23:14,679 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:14,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:14,679 INFO L82 PathProgramCache]: Analyzing trace with hash 740042646, now seen corresponding path program 1 times [2019-10-14 23:23:14,679 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:14,679 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952944072] [2019-10-14 23:23:14,680 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:14,680 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:14,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:15,605 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:23:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:15,800 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:23:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat