/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:35:42,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:35:42,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:35:42,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:35:42,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:35:42,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:35:42,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:35:42,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:35:42,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:35:42,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:35:42,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:35:42,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:35:42,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:35:42,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:35:42,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:35:42,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:35:42,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:35:42,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:35:42,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:35:42,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:35:42,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:35:42,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:35:42,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:35:42,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:35:42,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:35:42,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:35:42,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:35:42,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:35:42,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:35:42,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:35:42,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:35:42,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:35:42,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:35:42,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:35:42,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:35:42,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:35:42,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:35:42,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:35:42,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:35:42,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:35:42,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:35:42,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:35:42,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:35:42,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:35:42,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:35:42,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:35:42,774 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:35:42,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:35:42,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:35:42,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:35:42,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:35:42,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:35:42,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:35:42,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:35:42,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:35:42,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:35:42,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:35:42,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:35:42,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:35:42,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:35:42,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:35:42,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:35:42,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:35:42,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:35:42,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:35:42,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:35:42,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:35:42,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:35:42,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:35:42,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:35:42,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:35:43,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:35:43,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:35:43,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:35:43,066 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:35:43,067 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:35:43,067 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product11.cil.c [2019-11-06 21:35:43,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e76df35b/d3b813e6a77b49b68cb64d5a157ab2af/FLAGe2a0c8b71 [2019-11-06 21:35:43,791 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:35:43,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product11.cil.c [2019-11-06 21:35:43,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e76df35b/d3b813e6a77b49b68cb64d5a157ab2af/FLAGe2a0c8b71 [2019-11-06 21:35:44,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e76df35b/d3b813e6a77b49b68cb64d5a157ab2af [2019-11-06 21:35:44,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:35:44,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:35:44,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:35:44,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:35:44,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:35:44,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:35:44" (1/1) ... [2019-11-06 21:35:44,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589c6587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:44, skipping insertion in model container [2019-11-06 21:35:44,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:35:44" (1/1) ... [2019-11-06 21:35:44,031 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:35:44,115 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:35:44,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:35:44,794 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:35:44,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:35:45,011 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:35:45,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45 WrapperNode [2019-11-06 21:35:45,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:35:45,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:35:45,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:35:45,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:35:45,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:35:45,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:35:45,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:35:45,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:35:45,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:35:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:35:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:35:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:35:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:35:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:35:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:35:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:35:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:35:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:35:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:35:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:35:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:35:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:35:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:35:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:35:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:35:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:35:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:35:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:35:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:35:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:35:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:35:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:35:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:35:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:35:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:35:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:35:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:35:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-11-06 21:35:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-11-06 21:35:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-11-06 21:35:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-11-06 21:35:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:35:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:35:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:35:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:35:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:35:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:35:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:35:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:35:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:35:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:35:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:35:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:35:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:35:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:35:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:35:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:35:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:35:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:35:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:35:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:35:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:35:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:35:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:35:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:35:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:35:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:35:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:35:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:35:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:35:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:35:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:35:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:35:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:35:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:35:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-11-06 21:35:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-11-06 21:35:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:35:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:35:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:35:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:35:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:35:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:35:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:35:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:35:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:35:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:35:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:35:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:35:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:35:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:35:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:35:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:35:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:35:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:35:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:35:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:35:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:35:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:35:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:35:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:35:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:35:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:35:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:35:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:35:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:35:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:35:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:35:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:35:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:35:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:35:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:35:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:35:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:35:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-11-06 21:35:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-11-06 21:35:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:35:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:35:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:35:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:35:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:35:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:35:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:35:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:35:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:35:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:35:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:35:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:35:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:35:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:35:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:35:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:35:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:35:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:35:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:35:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:35:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:35:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:35:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:35:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:35:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:35:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:35:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:35:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-11-06 21:35:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-11-06 21:35:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:35:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:35:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:35:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:35:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:35:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:35:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:35:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:35:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:35:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:35:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:35:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:35:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:35:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-11-06 21:35:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-11-06 21:35:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:35:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:35:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:35:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:35:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:35:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:35:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:35:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:35:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:35:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:35:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:35:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:35:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:35:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:35:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:35:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:35:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:35:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:35:47,585 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:35:47,586 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:35:47,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:35:47 BoogieIcfgContainer [2019-11-06 21:35:47,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:35:47,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:35:47,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:35:47,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:35:47,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:35:44" (1/3) ... [2019-11-06 21:35:47,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e39966f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:35:47, skipping insertion in model container [2019-11-06 21:35:47,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (2/3) ... [2019-11-06 21:35:47,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e39966f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:35:47, skipping insertion in model container [2019-11-06 21:35:47,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:35:47" (3/3) ... [2019-11-06 21:35:47,597 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product11.cil.c [2019-11-06 21:35:47,607 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:35:47,622 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:35:47,634 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:35:47,675 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:35:47,675 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:35:47,675 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:35:47,676 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:35:47,676 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:35:47,676 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:35:47,676 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:35:47,676 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:35:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states. [2019-11-06 21:35:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-06 21:35:47,735 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:35:47,736 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-06 21:35:47,738 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:35:47,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:35:47,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1577724025, now seen corresponding path program 1 times [2019-11-06 21:35:47,753 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:35:47,754 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623678243] [2019-11-06 21:35:47,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:35:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,298 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-11-06 21:35:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,571 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-06 21:35:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,761 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:35:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:35:50,068 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623678243] [2019-11-06 21:35:50,069 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:35:50,069 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:35:50,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187624957] [2019-11-06 21:35:50,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:35:50,076 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:35:50,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:35:50,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:35:50,092 INFO L87 Difference]: Start difference. First operand 756 states. Second operand 10 states. [2019-11-06 21:35:52,041 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-06 21:35:52,948 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-11-06 21:35:55,023 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-06 21:36:00,407 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:36:20,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:36:20,879 INFO L93 Difference]: Finished difference Result 1732 states and 3103 transitions. [2019-11-06 21:36:20,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 21:36:20,881 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2019-11-06 21:36:20,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:36:20,936 INFO L225 Difference]: With dead ends: 1732 [2019-11-06 21:36:20,936 INFO L226 Difference]: Without dead ends: 1125 [2019-11-06 21:36:20,951 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-11-06 21:36:20,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2019-11-06 21:36:21,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 596. [2019-11-06 21:36:21,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2019-11-06 21:36:21,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 953 transitions. [2019-11-06 21:36:21,314 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 953 transitions. Word has length 135 [2019-11-06 21:36:21,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:36:21,314 INFO L462 AbstractCegarLoop]: Abstraction has 596 states and 953 transitions. [2019-11-06 21:36:21,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:36:21,315 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 953 transitions. [2019-11-06 21:36:21,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-06 21:36:21,323 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:36:21,323 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-06 21:36:21,324 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:36:21,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:36:21,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1074929416, now seen corresponding path program 1 times [2019-11-06 21:36:21,325 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:36:21,325 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700083135] [2019-11-06 21:36:21,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:36:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,314 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-11-06 21:36:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,562 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-06 21:36:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:36:23,044 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700083135] [2019-11-06 21:36:23,044 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:36:23,044 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:36:23,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122347893] [2019-11-06 21:36:23,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:36:23,047 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:36:23,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:36:23,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:36:23,048 INFO L87 Difference]: Start difference. First operand 596 states and 953 transitions. Second operand 10 states. [2019-11-06 21:36:25,026 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-06 21:36:25,813 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 390