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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:25,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:25,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:25,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:25,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:25,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:25,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:25,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:25,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:25,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:25,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:25,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:25,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:25,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:25,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:25,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:25,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:25,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:25,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:25,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:25,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:25,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:25,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:25,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:25,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:25,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:25,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:25,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:25,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:25,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:25,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:25,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:25,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:25,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:25,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:25,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:25,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:25,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:25,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:25,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:25,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:25,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:21:25,275 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:25,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:25,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:25,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:25,277 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:25,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:25,277 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:25,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:25,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:25,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:25,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:25,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:25,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:25,279 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:25,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:25,279 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:25,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:25,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:25,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:25,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:25,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:25,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:25,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:25,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:25,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:25,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:25,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:25,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:25,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:25,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:25,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:25,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:25,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:25,604 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:25,605 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product01.cil.c [2019-10-14 23:21:25,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d9e8092/ba91649eeb8d41a5a392edcc9c74bc8e/FLAGd5cc96523 [2019-10-14 23:21:26,342 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:26,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product01.cil.c [2019-10-14 23:21:26,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d9e8092/ba91649eeb8d41a5a392edcc9c74bc8e/FLAGd5cc96523 [2019-10-14 23:21:26,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d9e8092/ba91649eeb8d41a5a392edcc9c74bc8e [2019-10-14 23:21:26,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:26,557 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:26,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:26,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:26,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:26,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:26" (1/1) ... [2019-10-14 23:21:26,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5a2437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:26, skipping insertion in model container [2019-10-14 23:21:26,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:26" (1/1) ... [2019-10-14 23:21:26,574 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:26,657 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:27,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:27,398 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:27,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:27,603 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:27,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:27 WrapperNode [2019-10-14 23:21:27,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:27,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:27,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:27,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:27,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:27" (1/1) ... [2019-10-14 23:21:27,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:27" (1/1) ... [2019-10-14 23:21:27,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:27" (1/1) ... [2019-10-14 23:21:27,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:27" (1/1) ... [2019-10-14 23:21:27,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:27" (1/1) ... [2019-10-14 23:21:27,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:27" (1/1) ... [2019-10-14 23:21:27,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:27" (1/1) ... [2019-10-14 23:21:27,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:27,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:27,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:27,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:27,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:30,396 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:30,396 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:30,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:30 BoogieIcfgContainer [2019-10-14 23:21:30,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:30,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:30,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:30,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:30,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:26" (1/3) ... [2019-10-14 23:21:30,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d70689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:30, skipping insertion in model container [2019-10-14 23:21:30,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:27" (2/3) ... [2019-10-14 23:21:30,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d70689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:30, skipping insertion in model container [2019-10-14 23:21:30,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:30" (3/3) ... [2019-10-14 23:21:30,407 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product01.cil.c [2019-10-14 23:21:30,417 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:30,427 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:30,439 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:30,485 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:30,485 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:30,485 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:30,485 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:30,485 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:30,486 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:30,486 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:30,486 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:30,532 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states. [2019-10-14 23:21:30,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-14 23:21:30,558 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:30,560 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:21:30,562 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:30,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:30,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1682345477, now seen corresponding path program 1 times [2019-10-14 23:21:30,574 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:30,574 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168705927] [2019-10-14 23:21:30,575 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:30,575 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:30,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,072 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2019-10-14 23:21:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,282 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:21:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:32,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:21:32,814 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168705927] [2019-10-14 23:21:32,816 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:32,816 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:21:32,817 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645190521] [2019-10-14 23:21:32,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:21:32,825 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:32,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:21:32,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:21:32,844 INFO L87 Difference]: Start difference. First operand 741 states. Second operand 13 states. [2019-10-14 23:21:35,134 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-10-14 23:21:36,035 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-10-14 23:21:36,864 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-10-14 23:21:37,743 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-10-14 23:21:38,590 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2019-10-14 23:21:41,982 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-14 23:21:42,616 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:21:56,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:21:56,279 INFO L93 Difference]: Finished difference Result 1482 states and 2633 transitions. [2019-10-14 23:21:56,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-14 23:21:56,281 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 115 [2019-10-14 23:21:56,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:21:56,315 INFO L225 Difference]: With dead ends: 1482 [2019-10-14 23:21:56,315 INFO L226 Difference]: Without dead ends: 895 [2019-10-14 23:21:56,329 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2019-10-14 23:21:56,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2019-10-14 23:21:56,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 587. [2019-10-14 23:21:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2019-10-14 23:21:56,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 948 transitions. [2019-10-14 23:21:56,603 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 948 transitions. Word has length 115 [2019-10-14 23:21:56,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:21:56,604 INFO L462 AbstractCegarLoop]: Abstraction has 587 states and 948 transitions. [2019-10-14 23:21:56,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 23:21:56,604 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 948 transitions. [2019-10-14 23:21:56,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-10-14 23:21:56,611 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:56,613 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:21:56,614 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:56,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:56,614 INFO L82 PathProgramCache]: Analyzing trace with hash 492962916, now seen corresponding path program 1 times [2019-10-14 23:21:56,614 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:56,615 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684587014] [2019-10-14 23:21:56,615 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:56,615 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:56,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,496 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2019-10-14 23:21:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,708 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:21:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:21:58,042 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684587014] [2019-10-14 23:21:58,042 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:58,043 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:21:58,043 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248715376] [2019-10-14 23:21:58,045 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:21:58,045 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:58,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:21:58,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:21:58,046 INFO L87 Difference]: Start difference. First operand 587 states and 948 transitions. Second operand 10 states. [2019-10-14 23:21:59,743 WARN L191 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-10-14 23:22:00,482 WARN L191 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:22:02,927 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 115