/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_spec2_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:32:01,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:32:01,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:32:01,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:32:01,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:32:01,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:32:01,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:32:01,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:32:01,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:32:01,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:32:01,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:32:01,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:32:01,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:32:01,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:32:01,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:32:01,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:32:01,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:32:01,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:32:01,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:32:02,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:32:02,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:32:02,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:32:02,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:32:02,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:32:02,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:32:02,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:32:02,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:32:02,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:32:02,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:32:02,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:32:02,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:32:02,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:32:02,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:32:02,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:32:02,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:32:02,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:32:02,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:32:02,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:32:02,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:32:02,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:32:02,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:32:02,034 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 21:32:02,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:32:02,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:32:02,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:32:02,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:32:02,059 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:32:02,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:32:02,059 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:32:02,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:32:02,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:32:02,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:32:02,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:32:02,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:32:02,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:32:02,062 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:32:02,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:32:02,063 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:32:02,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:32:02,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:32:02,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:32:02,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:32:02,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:32:02,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:32:02,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:32:02,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:32:02,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:32:02,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:32:02,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:32:02,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:32:02,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:32:02,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:32:02,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:32:02,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:32:02,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:32:02,357 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:32:02,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product17.cil.c [2019-11-06 21:32:02,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/259cbc5e1/ab908d0566d54051a562c9f3d690044d/FLAGc061c8658 [2019-11-06 21:32:03,027 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:32:03,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product17.cil.c [2019-11-06 21:32:03,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/259cbc5e1/ab908d0566d54051a562c9f3d690044d/FLAGc061c8658 [2019-11-06 21:32:03,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/259cbc5e1/ab908d0566d54051a562c9f3d690044d [2019-11-06 21:32:03,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:32:03,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:32:03,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:32:03,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:32:03,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:32:03,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:32:03" (1/1) ... [2019-11-06 21:32:03,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654e5f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:03, skipping insertion in model container [2019-11-06 21:32:03,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:32:03" (1/1) ... [2019-11-06 21:32:03,195 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:32:03,276 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:32:03,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:32:03,990 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:32:04,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:32:04,221 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:32:04,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04 WrapperNode [2019-11-06 21:32:04,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:32:04,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:32:04,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:32:04,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:32:04,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:32:04,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:32:04,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:32:04,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:32:04,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (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 21:32:04,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:32:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:32:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:32:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:32:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:32:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:32:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:32:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:32:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:32:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:32:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:32:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:32:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:32:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:32:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:32:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:32:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:32:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:32:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:32:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:32:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:32:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:32:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:32:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:32:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:32:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:32:04,480 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:32:04,480 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:32:04,480 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:32:04,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:32:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:32:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:32:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:32:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:32:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:32:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:32:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:32:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:32:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:32:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:32:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:32:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:32:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:32:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:32:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:32:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:32:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:32:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:32:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:32:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:32:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:32:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:32:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:32:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:32:04,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:32:04,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:32:04,485 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:32:04,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:32:04,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:32:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:32:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:32:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:32:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:32:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:32:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:32:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:32:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:32:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:32:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:32:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:32:04,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:32:04,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:32:04,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:32:04,488 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:32:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:32:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:32:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:32:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:32:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:32:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:32:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:32:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:32:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:32:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:32:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:32:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:32:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:32:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:32:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:32:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:32:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:32:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:32:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:32:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:32:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:32:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:32:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:32:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:32:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:32:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:32:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:32:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:32:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:32:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:32:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:32:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:32:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:32:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:32:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:32:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:32:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:32:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:32:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:32:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:32:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:32:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:32:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:32:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:32:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:32:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:32:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:32:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:32:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:32:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:32:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:32:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:32:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:32:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:32:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:32:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:32:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:32:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:32:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:32:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:32:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:32:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:32:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:32:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:32:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:32:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:32:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:32:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:32:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:32:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:32:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:32:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:32:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:32:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:32:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:32:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:32:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:32:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:32:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:32:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:32:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:32:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:32:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:32:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:32:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:32:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:32:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:32:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:32:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:32:06,904 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:32:06,904 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:32:06,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:32:06 BoogieIcfgContainer [2019-11-06 21:32:06,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:32:06,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:32:06,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:32:06,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:32:06,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:32:03" (1/3) ... [2019-11-06 21:32:06,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37aa6529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:32:06, skipping insertion in model container [2019-11-06 21:32:06,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (2/3) ... [2019-11-06 21:32:06,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37aa6529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:32:06, skipping insertion in model container [2019-11-06 21:32:06,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:32:06" (3/3) ... [2019-11-06 21:32:06,915 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product17.cil.c [2019-11-06 21:32:06,926 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:32:06,936 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:32:06,948 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:32:06,989 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:32:06,989 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:32:06,989 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:32:06,989 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:32:06,989 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:32:06,989 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:32:06,989 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:32:06,990 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:32:07,033 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states. [2019-11-06 21:32:07,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-06 21:32:07,068 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:32:07,069 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:32:07,071 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:32:07,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:32:07,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1835526368, now seen corresponding path program 1 times [2019-11-06 21:32:07,087 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:32:07,087 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987441339] [2019-11-06 21:32:07,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:32:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:08,666 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-06 21:32:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:08,962 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-06 21:32:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,160 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:32:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:32:09,423 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987441339] [2019-11-06 21:32:09,424 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:32:09,425 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:32:09,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078617948] [2019-11-06 21:32:09,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:32:09,431 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:32:09,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:32:09,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:32:09,449 INFO L87 Difference]: Start difference. First operand 742 states. Second operand 10 states. [2019-11-06 21:32:10,407 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:32:11,370 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:32:12,238 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-11-06 21:32:13,865 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-06 21:32:15,011 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:32:32,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:32:32,164 INFO L93 Difference]: Finished difference Result 1703 states and 3024 transitions. [2019-11-06 21:32:32,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 21:32:32,166 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2019-11-06 21:32:32,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:32:32,203 INFO L225 Difference]: With dead ends: 1703 [2019-11-06 21:32:32,204 INFO L226 Difference]: Without dead ends: 1110 [2019-11-06 21:32:32,215 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-11-06 21:32:32,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2019-11-06 21:32:32,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 582. [2019-11-06 21:32:32,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-11-06 21:32:32,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 937 transitions. [2019-11-06 21:32:32,494 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 937 transitions. Word has length 107 [2019-11-06 21:32:32,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:32:32,495 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 937 transitions. [2019-11-06 21:32:32,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:32:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 937 transitions. [2019-11-06 21:32:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-06 21:32:32,502 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:32:32,502 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:32:32,502 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:32:32,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:32:32,503 INFO L82 PathProgramCache]: Analyzing trace with hash 443776321, now seen corresponding path program 1 times [2019-11-06 21:32:32,503 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:32:32,503 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917459759] [2019-11-06 21:32:32,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:32:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:33,489 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-06 21:32:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:33,741 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-06 21:32:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:32:34,182 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917459759] [2019-11-06 21:32:34,182 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:32:34,182 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-06 21:32:34,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461771579] [2019-11-06 21:32:34,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 21:32:34,185 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:32:34,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 21:32:34,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:32:34,186 INFO L87 Difference]: Start difference. First operand 582 states and 937 transitions. Second operand 13 states. [2019-11-06 21:32:36,729 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:32:37,599 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-11-06 21:32:40,018 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:32:40,893 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:32:41,742 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:32:41,930 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-11-06 21:32:42,534 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 127