/usr/bin/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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:34:37,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:34:37,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:34:37,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:34:37,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:34:37,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:34:37,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:34:37,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:34:37,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:34:37,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:34:37,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:34:37,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:34:37,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:34:37,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:34:37,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:34:37,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:34:37,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:34:37,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:34:37,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:34:37,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:34:37,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:34:37,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:34:37,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:34:37,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:34:37,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:34:37,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:34:37,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:34:37,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:34:37,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:34:37,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:34:37,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:34:37,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:34:37,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:34:37,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:34:37,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:34:37,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:34:37,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:34:37,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:34:37,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:34:37,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:34:37,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:34:37,282 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 [2019-11-06 21:34:37,306 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:34:37,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:34:37,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:34:37,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:34:37,309 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:34:37,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:34:37,309 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:34:37,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:34:37,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:34:37,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:34:37,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:34:37,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:34:37,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:34:37,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:34:37,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:34:37,312 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:34:37,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:34:37,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:34:37,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:34:37,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:34:37,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:34:37,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:34:37,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:34:37,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:34:37,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:34:37,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:34:37,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:34:37,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:34:37,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:34:37,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:34:37,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:34:37,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:34:37,619 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:34:37,619 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:34:37,620 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product24.cil.c [2019-11-06 21:34:37,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d02b8f55a/c0dd42c771a04deda4aaaa24ff52446c/FLAG5b73e9ec8 [2019-11-06 21:34:38,290 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:34:38,291 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product24.cil.c [2019-11-06 21:34:38,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d02b8f55a/c0dd42c771a04deda4aaaa24ff52446c/FLAG5b73e9ec8 [2019-11-06 21:34:38,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d02b8f55a/c0dd42c771a04deda4aaaa24ff52446c [2019-11-06 21:34:38,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:34:38,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:34:38,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:34:38,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:34:38,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:34:38,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:34:38" (1/1) ... [2019-11-06 21:34:38,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5178d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:38, skipping insertion in model container [2019-11-06 21:34:38,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:34:38" (1/1) ... [2019-11-06 21:34:38,526 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:34:38,616 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:34:39,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:34:39,312 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:34:39,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:34:39,519 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:34:39,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:39 WrapperNode [2019-11-06 21:34:39,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:34:39,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:34:39,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:34:39,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:34:39,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:39" (1/1) ... [2019-11-06 21:34:39,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:39" (1/1) ... [2019-11-06 21:34:39,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:39" (1/1) ... [2019-11-06 21:34:39,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:39" (1/1) ... [2019-11-06 21:34:39,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:39" (1/1) ... [2019-11-06 21:34:39,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:39" (1/1) ... [2019-11-06 21:34:39,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:39" (1/1) ... [2019-11-06 21:34:39,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:34:39,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:34:39,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:34:39,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:34:39,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:39" (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 [2019-11-06 21:34:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:34:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:34:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:34:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:34:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:34:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:34:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:34:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:34:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:34:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:34:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:34:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:34:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:34:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:34:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:34:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:34:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:34:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:34:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:34:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:34:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:34:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:34:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:34:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:34:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:34:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:34:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:34:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:34:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:34:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:34:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:34:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:34:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:34:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:34:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:34:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:34:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:34:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:34:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:34:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:34:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:34:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:34:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-11-06 21:34:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-11-06 21:34:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:34:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:34:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:34:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-11-06 21:34:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-11-06 21:34:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:34:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:34:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:34:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-11-06 21:34:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:34:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-11-06 21:34:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:34:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:34:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-11-06 21:34:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-11-06 21:34:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:34:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:34:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:34:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:34:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:34:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:34:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:34:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:34:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-06 21:34:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-11-06 21:34:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:34:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:34:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:34:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:34:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:34:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:34:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:34:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:34:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:34:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:34:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:34:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:34:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:34:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:34:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:34:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:34:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:34:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:34:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:34:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:34:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:34:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:34:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:34:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:34:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:34:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:34:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:34:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:34:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:34:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:34:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:34:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:34:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:34:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:34:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:34:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:34:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:34:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:34:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:34:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:34:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:34:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:34:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:34:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:34:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:34:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:34:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:34:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:34:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:34:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:34:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:34:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:34:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:34:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:34:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:34:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:34:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:34:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:34:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:34:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:34:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-11-06 21:34:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-11-06 21:34:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:34:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:34:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:34:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:34:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:34:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:34:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:34:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-11-06 21:34:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-11-06 21:34:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:34:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:34:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-11-06 21:34:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-11-06 21:34:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:34:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:34:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:34:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-11-06 21:34:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-06 21:34:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-11-06 21:34:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-11-06 21:34:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:34:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:34:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:34:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:34:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:34:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:34:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:34:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:34:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:34:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:34:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:34:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:34:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:34:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:34:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:34:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:34:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:34:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:34:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:34:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:34:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:34:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:34:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:34:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:34:42,212 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:34:42,213 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:34:42,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:34:42 BoogieIcfgContainer [2019-11-06 21:34:42,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:34:42,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:34:42,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:34:42,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:34:42,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:34:38" (1/3) ... [2019-11-06 21:34:42,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c5cc37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:34:42, skipping insertion in model container [2019-11-06 21:34:42,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:39" (2/3) ... [2019-11-06 21:34:42,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c5cc37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:34:42, skipping insertion in model container [2019-11-06 21:34:42,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:34:42" (3/3) ... [2019-11-06 21:34:42,224 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product24.cil.c [2019-11-06 21:34:42,235 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:34:42,246 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:34:42,257 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:34:42,302 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:34:42,303 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:34:42,303 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:34:42,303 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:34:42,303 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:34:42,303 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:34:42,303 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:34:42,303 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:34:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2019-11-06 21:34:42,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-06 21:34:42,357 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:34:42,358 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 21:34:42,360 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:34:42,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:34:42,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1561812380, now seen corresponding path program 1 times [2019-11-06 21:34:42,376 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:34:42,376 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284965884] [2019-11-06 21:34:42,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:34:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,082 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 388 [2019-11-06 21:34:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,310 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-06 21:34:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,450 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:34:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:44,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-06 21:34:44,810 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284965884] [2019-11-06 21:34:44,811 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:34:44,811 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:34:44,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52513508] [2019-11-06 21:34:44,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:34:44,818 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:34:44,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:34:44,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:34:44,836 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 12 states. [2019-11-06 21:34:47,146 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:34:48,051 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:34:48,925 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:34:49,896 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:34:50,811 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-11-06 21:34:54,230 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-06 21:35:12,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:35:12,405 INFO L93 Difference]: Finished difference Result 1683 states and 2883 transitions. [2019-11-06 21:35:12,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-06 21:35:12,407 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2019-11-06 21:35:12,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:35:12,442 INFO L225 Difference]: With dead ends: 1683 [2019-11-06 21:35:12,442 INFO L226 Difference]: Without dead ends: 1010 [2019-11-06 21:35:12,457 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2019-11-06 21:35:12,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2019-11-06 21:35:12,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 679. [2019-11-06 21:35:12,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2019-11-06 21:35:12,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1070 transitions. [2019-11-06 21:35:12,780 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1070 transitions. Word has length 93 [2019-11-06 21:35:12,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:35:12,781 INFO L462 AbstractCegarLoop]: Abstraction has 679 states and 1070 transitions. [2019-11-06 21:35:12,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 21:35:12,781 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1070 transitions. [2019-11-06 21:35:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-06 21:35:12,788 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:35:12,788 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 21:35:12,789 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:35:12,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:35:12,789 INFO L82 PathProgramCache]: Analyzing trace with hash 46311185, now seen corresponding path program 1 times [2019-11-06 21:35:12,789 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:35:12,789 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612975447] [2019-11-06 21:35:12,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:35:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:13,762 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-06 21:35:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:13,966 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-06 21:35:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-06 21:35:14,292 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612975447] [2019-11-06 21:35:14,293 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:35:14,293 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:35:14,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408075848] [2019-11-06 21:35:14,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:35:14,303 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:35:14,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:35:14,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:35:14,304 INFO L87 Difference]: Start difference. First operand 679 states and 1070 transitions. Second operand 9 states. [2019-11-06 21:35:16,295 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:35:17,142 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 394