java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:52,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:52,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:52,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:52,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:52,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:52,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:52,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:52,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:52,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:52,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:52,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:52,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:52,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:52,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:52,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:52,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:52,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:52,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:52,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:52,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:52,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:52,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:52,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:52,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:52,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:52,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:52,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:52,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:52,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:52,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:52,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:52,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:52,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:52,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:52,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:52,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:52,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:52,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:52,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:52,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:52,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:21:52,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:52,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:52,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:52,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:52,319 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:52,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:52,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:52,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:52,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:52,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:52,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:52,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:52,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:52,323 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:52,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:52,324 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:52,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:52,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:52,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:52,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:52,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:52,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:52,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:52,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:52,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:52,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:52,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:52,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:52,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:52,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:52,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:52,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:52,669 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:52,670 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:52,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product11.cil.c [2019-10-14 23:21:52,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2137cd794/20c26d1a89584a19986cd558b5da3db8/FLAGbf036d294 [2019-10-14 23:21:53,369 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:53,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product11.cil.c [2019-10-14 23:21:53,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2137cd794/20c26d1a89584a19986cd558b5da3db8/FLAGbf036d294 [2019-10-14 23:21:53,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2137cd794/20c26d1a89584a19986cd558b5da3db8 [2019-10-14 23:21:53,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:53,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:53,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:53,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:53,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:53,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:53" (1/1) ... [2019-10-14 23:21:53,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a57a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:53, skipping insertion in model container [2019-10-14 23:21:53,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:53" (1/1) ... [2019-10-14 23:21:53,589 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:53,654 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:54,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:54,485 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:54,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:54,703 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:54,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:54 WrapperNode [2019-10-14 23:21:54,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:54,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:54,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:54,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:54,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:54" (1/1) ... [2019-10-14 23:21:54,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:54" (1/1) ... [2019-10-14 23:21:54,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:54" (1/1) ... [2019-10-14 23:21:54,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:54" (1/1) ... [2019-10-14 23:21:54,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:54" (1/1) ... [2019-10-14 23:21:54,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:54" (1/1) ... [2019-10-14 23:21:54,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:54" (1/1) ... [2019-10-14 23:21:54,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:54,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:54,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:54,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:54,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:21:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:21:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:21:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:21:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:21:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:21:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:21:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:21:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:21:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:21:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:57,398 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:57,399 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:57,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:57 BoogieIcfgContainer [2019-10-14 23:21:57,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:57,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:57,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:57,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:57,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:53" (1/3) ... [2019-10-14 23:21:57,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ba4c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:57, skipping insertion in model container [2019-10-14 23:21:57,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:54" (2/3) ... [2019-10-14 23:21:57,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ba4c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:57, skipping insertion in model container [2019-10-14 23:21:57,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:57" (3/3) ... [2019-10-14 23:21:57,412 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product11.cil.c [2019-10-14 23:21:57,422 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:57,431 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:57,443 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:57,486 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:57,487 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:57,487 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:57,487 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:57,487 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:57,487 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:57,487 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:57,487 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:57,532 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states. [2019-10-14 23:21:57,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-14 23:21:57,565 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:57,567 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:21:57,571 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:57,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:57,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1989495119, now seen corresponding path program 1 times [2019-10-14 23:21:57,587 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:57,587 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728135266] [2019-10-14 23:21:57,588 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:57,588 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:57,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,250 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-10-14 23:21:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,502 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:21:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-14 23:22:00,050 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728135266] [2019-10-14 23:22:00,051 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:00,052 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:22:00,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418177740] [2019-10-14 23:22:00,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:22:00,058 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:00,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:22:00,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:22:00,075 INFO L87 Difference]: Start difference. First operand 785 states. Second operand 13 states. [2019-10-14 23:22:01,642 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-14 23:22:02,627 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:22:03,526 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:22:04,385 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:22:05,335 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:22:06,276 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2019-10-14 23:22:10,178 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-14 23:22:12,200 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:22:29,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:22:29,225 INFO L93 Difference]: Finished difference Result 1575 states and 2758 transitions. [2019-10-14 23:22:29,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-14 23:22:29,227 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 141 [2019-10-14 23:22:29,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:22:29,262 INFO L225 Difference]: With dead ends: 1575 [2019-10-14 23:22:29,262 INFO L226 Difference]: Without dead ends: 944 [2019-10-14 23:22:29,275 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2019-10-14 23:22:29,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2019-10-14 23:22:29,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 631. [2019-10-14 23:22:29,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2019-10-14 23:22:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 1007 transitions. [2019-10-14 23:22:29,581 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 1007 transitions. Word has length 141 [2019-10-14 23:22:29,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:22:29,581 INFO L462 AbstractCegarLoop]: Abstraction has 631 states and 1007 transitions. [2019-10-14 23:22:29,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 23:22:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1007 transitions. [2019-10-14 23:22:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-14 23:22:29,587 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:29,588 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:22:29,588 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:29,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:29,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1567093572, now seen corresponding path program 1 times [2019-10-14 23:22:29,589 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:29,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632760672] [2019-10-14 23:22:29,589 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:29,589 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:29,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,443 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-10-14 23:22:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,627 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:22:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:31,008 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-14 23:22:31,009 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632760672] [2019-10-14 23:22:31,009 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:31,009 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:22:31,010 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520330717] [2019-10-14 23:22:31,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:22:31,012 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:31,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:22:31,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:22:31,012 INFO L87 Difference]: Start difference. First operand 631 states and 1007 transitions. Second operand 10 states. [2019-10-14 23:22:31,930 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-14 23:22:32,782 WARN L191 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:22:33,579 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 379