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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:21:33,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:21:33,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:21:33,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:21:33,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:21:33,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:21:33,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:21:33,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:21:33,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:21:33,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:21:33,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:21:33,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:21:33,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:21:33,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:21:33,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:21:33,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:21:33,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:21:33,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:21:33,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:21:33,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:21:33,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:21:33,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:21:33,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:21:33,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:21:33,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:21:33,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:21:33,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:21:33,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:21:33,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:21:33,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:21:33,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:21:33,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:21:33,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:21:33,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:21:33,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:21:33,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:21:33,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:21:33,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:21:33,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:21:33,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:21:33,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:21:33,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:21:33,386 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:21:33,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:21:33,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:21:33,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:21:33,389 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:21:33,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:21:33,390 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:21:33,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:21:33,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:21:33,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:21:33,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:21:33,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:21:33,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:21:33,392 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:21:33,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:21:33,392 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:21:33,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:21:33,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:21:33,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:21:33,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:21:33,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:21:33,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:21:33,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:21:33,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:21:33,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:21:33,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:21:33,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:21:33,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:21:33,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:21:33,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:21:33,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:21:33,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:21:33,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:21:33,751 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:21:33,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c [2019-10-13 19:21:33,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d81e2635/70edfb3faf6947e096a263c6c898c2db/FLAG62e85a338 [2019-10-13 19:21:34,485 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:21:34,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c [2019-10-13 19:21:34,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d81e2635/70edfb3faf6947e096a263c6c898c2db/FLAG62e85a338 [2019-10-13 19:21:34,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d81e2635/70edfb3faf6947e096a263c6c898c2db [2019-10-13 19:21:34,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:21:34,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:21:34,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:21:34,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:21:34,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:21:34,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:34" (1/1) ... [2019-10-13 19:21:34,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20190d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:34, skipping insertion in model container [2019-10-13 19:21:34,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:34" (1/1) ... [2019-10-13 19:21:34,704 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:21:34,785 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:21:35,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:21:35,499 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:21:35,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:21:35,726 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:21:35,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:35 WrapperNode [2019-10-13 19:21:35,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:21:35,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:21:35,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:21:35,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:21:35,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:35" (1/1) ... [2019-10-13 19:21:35,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:35" (1/1) ... [2019-10-13 19:21:35,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:35" (1/1) ... [2019-10-13 19:21:35,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:35" (1/1) ... [2019-10-13 19:21:35,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:35" (1/1) ... [2019-10-13 19:21:35,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:35" (1/1) ... [2019-10-13 19:21:35,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:35" (1/1) ... [2019-10-13 19:21:35,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:21:35,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:21:35,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:21:35,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:21:35,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:21:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:21:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:21:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:21:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:21:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:21:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:21:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:21:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:21:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:21:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:21:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:21:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:21:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:21:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:21:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:21:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:21:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:21:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:21:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:21:36,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:21:36,000 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:21:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:21:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:21:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:21:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:21:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:21:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:21:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:21:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:21:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:21:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:21:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:21:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:21:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:21:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:21:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:21:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:21:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:21:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:21:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:21:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:21:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:21:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:21:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:21:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:21:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:21:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:21:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:21:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:21:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:21:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:21:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:21:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:21:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:21:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:21:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:21:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:21:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:21:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:21:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:21:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:21:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:21:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:21:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:21:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:21:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:21:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:21:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:21:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:21:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:21:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:21:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:21:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:21:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:21:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:21:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:21:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:21:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:21:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:21:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:21:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:21:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:21:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:21:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:21:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:21:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:21:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:21:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:21:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:21:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:21:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:21:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:21:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:21:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:21:36,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:21:36,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:21:36,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:21:36,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:21:36,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:21:36,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:21:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:21:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:21:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:21:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:21:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:21:36,017 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:21:36,017 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:21:36,017 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:21:36,017 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:21:36,017 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:21:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:21:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:21:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:21:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:21:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:21:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:21:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:21:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:21:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:21:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:21:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:21:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:21:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:21:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:21:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:21:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:21:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:21:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:21:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:21:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:21:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:21:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:21:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:21:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:21:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:21:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:21:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:21:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:21:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:21:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:21:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:21:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:21:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:21:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:21:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:21:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:21:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:21:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:21:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:21:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:21:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:21:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:21:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:21:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:21:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:21:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:21:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:21:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:21:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:21:38,281 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:21:38,282 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:21:38,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:38 BoogieIcfgContainer [2019-10-13 19:21:38,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:21:38,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:21:38,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:21:38,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:21:38,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:21:34" (1/3) ... [2019-10-13 19:21:38,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1afcac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:38, skipping insertion in model container [2019-10-13 19:21:38,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:35" (2/3) ... [2019-10-13 19:21:38,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1afcac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:38, skipping insertion in model container [2019-10-13 19:21:38,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:38" (3/3) ... [2019-10-13 19:21:38,292 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product01.cil.c [2019-10-13 19:21:38,302 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:21:38,312 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:21:38,324 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:21:38,358 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:21:38,358 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:21:38,358 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:21:38,358 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:21:38,358 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:21:38,359 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:21:38,359 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:21:38,359 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:21:38,398 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states. [2019-10-13 19:21:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 19:21:38,436 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:38,438 INFO L380 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] [2019-10-13 19:21:38,440 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:38,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:38,447 INFO L82 PathProgramCache]: Analyzing trace with hash 579631, now seen corresponding path program 1 times [2019-10-13 19:21:38,456 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:38,457 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143126727] [2019-10-13 19:21:38,457 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:38,457 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:38,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:39,935 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:21:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,243 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:21:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:21:40,695 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143126727] [2019-10-13 19:21:40,696 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:21:40,697 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:21:40,697 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876291188] [2019-10-13 19:21:40,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:21:40,703 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:40,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:21:40,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:21:40,720 INFO L87 Difference]: Start difference. First operand 721 states. Second operand 10 states. [2019-10-13 19:21:41,650 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:21:42,631 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:21:43,462 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2019-10-13 19:21:45,314 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:21:46,476 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:22:09,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:22:09,779 INFO L93 Difference]: Finished difference Result 1657 states and 3008 transitions. [2019-10-13 19:22:09,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:22:09,782 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2019-10-13 19:22:09,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:22:09,819 INFO L225 Difference]: With dead ends: 1657 [2019-10-13 19:22:09,823 INFO L226 Difference]: Without dead ends: 1085 [2019-10-13 19:22:09,841 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:22:09,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2019-10-13 19:22:10,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 561. [2019-10-13 19:22:10,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2019-10-13 19:22:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 909 transitions. [2019-10-13 19:22:10,129 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 909 transitions. Word has length 107 [2019-10-13 19:22:10,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:22:10,130 INFO L462 AbstractCegarLoop]: Abstraction has 561 states and 909 transitions. [2019-10-13 19:22:10,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:22:10,131 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 909 transitions. [2019-10-13 19:22:10,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-13 19:22:10,139 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:10,139 INFO L380 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] [2019-10-13 19:22:10,139 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:10,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:10,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1624649059, now seen corresponding path program 1 times [2019-10-13 19:22:10,140 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:10,140 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595657186] [2019-10-13 19:22:10,140 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:10,141 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:10,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,112 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:22:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,378 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:22:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:22:11,870 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595657186] [2019-10-13 19:22:11,870 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:11,870 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:22:11,870 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668167153] [2019-10-13 19:22:11,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:22:11,883 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:11,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:22:11,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:22:11,884 INFO L87 Difference]: Start difference. First operand 561 states and 909 transitions. Second operand 13 states. [2019-10-13 19:22:13,494 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:22:14,485 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:22:15,339 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 387