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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:07:10,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:07:10,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:07:10,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:07:10,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:07:10,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:07:10,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:07:10,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:07:10,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:07:10,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:07:10,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:07:10,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:07:10,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:07:10,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:07:10,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:07:10,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:07:10,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:07:10,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:07:10,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:07:10,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:07:10,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:07:10,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:07:10,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:07:10,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:07:10,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:07:10,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:07:10,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:07:10,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:07:10,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:07:10,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:07:10,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:07:10,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:07:10,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:07:10,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:07:10,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:07:10,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:07:10,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:07:10,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:07:10,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:07:10,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:07:10,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:07:10,189 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 [2019-10-15 03:07:10,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:07:10,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:07:10,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:07:10,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:07:10,222 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:07:10,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:07:10,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:07:10,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:07:10,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:07:10,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:07:10,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:07:10,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:07:10,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:07:10,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:07:10,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:07:10,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:07:10,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:07:10,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:07:10,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:07:10,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:07:10,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:07:10,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:07:10,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:07:10,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:07:10,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:07:10,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:07:10,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:07:10,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:07:10,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:07:10,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:07:10,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:07:10,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:07:10,549 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:07:10,549 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:07:10,550 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product26.cil.c [2019-10-15 03:07:10,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8fa52451/495ede6079ab41a6acbf1e58042551e3/FLAG11376d9f3 [2019-10-15 03:07:11,269 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:07:11,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product26.cil.c [2019-10-15 03:07:11,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8fa52451/495ede6079ab41a6acbf1e58042551e3/FLAG11376d9f3 [2019-10-15 03:07:11,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8fa52451/495ede6079ab41a6acbf1e58042551e3 [2019-10-15 03:07:11,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:07:11,493 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:07:11,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:07:11,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:07:11,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:07:11,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:07:11" (1/1) ... [2019-10-15 03:07:11,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4200ab6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:11, skipping insertion in model container [2019-10-15 03:07:11,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:07:11" (1/1) ... [2019-10-15 03:07:11,513 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:07:11,588 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:07:12,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:07:12,481 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:07:12,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:07:12,672 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:07:12,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:12 WrapperNode [2019-10-15 03:07:12,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:07:12,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:07:12,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:07:12,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:07:12,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:12" (1/1) ... [2019-10-15 03:07:12,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:12" (1/1) ... [2019-10-15 03:07:12,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:12" (1/1) ... [2019-10-15 03:07:12,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:12" (1/1) ... [2019-10-15 03:07:12,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:12" (1/1) ... [2019-10-15 03:07:12,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:12" (1/1) ... [2019-10-15 03:07:12,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:12" (1/1) ... [2019-10-15 03:07:12,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:07:12,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:07:12,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:07:12,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:07:12,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:12" (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 [2019-10-15 03:07:12,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:07:12,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:07:12,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:07:12,949 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:07:12,949 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-15 03:07:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-15 03:07:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-15 03:07:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-15 03:07:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-15 03:07:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-15 03:07:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-15 03:07:12,952 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-15 03:07:12,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-15 03:07:12,953 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-15 03:07:12,953 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-15 03:07:12,953 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-15 03:07:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-15 03:07:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-15 03:07:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-15 03:07:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-15 03:07:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-15 03:07:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-15 03:07:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-15 03:07:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-15 03:07:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-15 03:07:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-15 03:07:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-15 03:07:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2019-10-15 03:07:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:07:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2019-10-15 03:07:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-15 03:07:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-15 03:07:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:07:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:07:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:07:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:07:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:07:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:07:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:07:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:07:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:07:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:07:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-15 03:07:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-15 03:07:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-15 03:07:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-15 03:07:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-15 03:07:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 03:07:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-15 03:07:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-15 03:07:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-15 03:07:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-15 03:07:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-15 03:07:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-15 03:07:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-15 03:07:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-15 03:07:12,965 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-15 03:07:12,965 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-15 03:07:12,965 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-15 03:07:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:07:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-15 03:07:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-15 03:07:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-15 03:07:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:07:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-15 03:07:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:07:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:07:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:07:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:07:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-15 03:07:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-15 03:07:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-15 03:07:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-15 03:07:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-15 03:07:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-15 03:07:12,970 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-15 03:07:12,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-15 03:07:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:07:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:07:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-15 03:07:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-15 03:07:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:07:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:07:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:07:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-15 03:07:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-15 03:07:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-15 03:07:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-15 03:07:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-15 03:07:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-15 03:07:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-15 03:07:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-15 03:07:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-15 03:07:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:07:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-15 03:07:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-15 03:07:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-15 03:07:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-15 03:07:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-15 03:07:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-15 03:07:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-15 03:07:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-15 03:07:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-15 03:07:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-15 03:07:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-15 03:07:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-15 03:07:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-15 03:07:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-15 03:07:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-15 03:07:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-15 03:07:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-15 03:07:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-15 03:07:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-15 03:07:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-15 03:07:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-15 03:07:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-15 03:07:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-15 03:07:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2019-10-15 03:07:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-15 03:07:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2019-10-15 03:07:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:07:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-15 03:07:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:07:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:07:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:07:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:07:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:07:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:07:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:07:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:07:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:07:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:07:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:07:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:07:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:07:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:07:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:07:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:07:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:07:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:07:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:07:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:07:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-15 03:07:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-15 03:07:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-15 03:07:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-15 03:07:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:07:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 03:07:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-15 03:07:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-15 03:07:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 03:07:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-15 03:07:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-15 03:07:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-15 03:07:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-15 03:07:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-15 03:07:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-15 03:07:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-15 03:07:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-15 03:07:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-15 03:07:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:07:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-15 03:07:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:07:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:07:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:07:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-15 03:07:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:07:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:07:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:07:18,966 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:07:18,966 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-15 03:07:18,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:07:18 BoogieIcfgContainer [2019-10-15 03:07:18,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:07:18,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:07:18,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:07:18,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:07:18,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:07:11" (1/3) ... [2019-10-15 03:07:18,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f11683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:07:18, skipping insertion in model container [2019-10-15 03:07:18,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:12" (2/3) ... [2019-10-15 03:07:18,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f11683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:07:18, skipping insertion in model container [2019-10-15 03:07:18,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:07:18" (3/3) ... [2019-10-15 03:07:18,975 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product26.cil.c [2019-10-15 03:07:18,983 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:07:18,994 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:07:19,007 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:07:19,038 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:07:19,038 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:07:19,039 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:07:19,039 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:07:19,039 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:07:19,039 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:07:19,039 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:07:19,039 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:07:19,073 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states. [2019-10-15 03:07:19,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-15 03:07:19,092 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:07:19,094 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:07:19,096 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:07:19,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:07:19,101 INFO L82 PathProgramCache]: Analyzing trace with hash -579989771, now seen corresponding path program 1 times [2019-10-15 03:07:19,108 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:07:19,109 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399187265] [2019-10-15 03:07:19,109 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:07:19,109 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:07:19,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:07:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:07:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 03:07:19,986 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399187265] [2019-10-15 03:07:19,987 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:07:19,988 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:07:19,989 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901976819] [2019-10-15 03:07:19,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:07:19,998 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:07:20,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:07:20,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:07:20,017 INFO L87 Difference]: Start difference. First operand 565 states. Second operand 6 states. [2019-10-15 03:07:24,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:07:24,342 INFO L93 Difference]: Finished difference Result 1325 states and 2062 transitions. [2019-10-15 03:07:24,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:07:24,346 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2019-10-15 03:07:24,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:07:24,376 INFO L225 Difference]: With dead ends: 1325 [2019-10-15 03:07:24,377 INFO L226 Difference]: Without dead ends: 919 [2019-10-15 03:07:24,388 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:07:24,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2019-10-15 03:07:24,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 828. [2019-10-15 03:07:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2019-10-15 03:07:24,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1283 transitions. [2019-10-15 03:07:24,581 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1283 transitions. Word has length 97 [2019-10-15 03:07:24,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:07:24,583 INFO L462 AbstractCegarLoop]: Abstraction has 828 states and 1283 transitions. [2019-10-15 03:07:24,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:07:24,583 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1283 transitions. [2019-10-15 03:07:24,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-15 03:07:24,602 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:07:24,602 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:07:24,603 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:07:24,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:07:24,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1211808752, now seen corresponding path program 1 times [2019-10-15 03:07:24,604 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:07:24,604 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160534458] [2019-10-15 03:07:24,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:07:24,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:07:24,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:07:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:07:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 03:07:25,067 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160534458] [2019-10-15 03:07:25,068 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:07:25,068 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:07:25,068 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793954637] [2019-10-15 03:07:25,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:07:25,070 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:07:25,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:07:25,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:07:25,071 INFO L87 Difference]: Start difference. First operand 828 states and 1283 transitions. Second operand 8 states. [2019-10-15 03:07:25,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:07:25,178 INFO L93 Difference]: Finished difference Result 1696 states and 2682 transitions. [2019-10-15 03:07:25,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:07:25,178 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 126 [2019-10-15 03:07:25,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:07:25,188 INFO L225 Difference]: With dead ends: 1696 [2019-10-15 03:07:25,188 INFO L226 Difference]: Without dead ends: 922 [2019-10-15 03:07:25,194 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:07:25,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2019-10-15 03:07:25,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 836. [2019-10-15 03:07:25,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2019-10-15 03:07:25,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1291 transitions. [2019-10-15 03:07:25,263 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1291 transitions. Word has length 126 [2019-10-15 03:07:25,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:07:25,264 INFO L462 AbstractCegarLoop]: Abstraction has 836 states and 1291 transitions. [2019-10-15 03:07:25,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:07:25,264 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1291 transitions. [2019-10-15 03:07:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-15 03:07:25,269 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:07:25,269 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:07:25,269 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:07:25,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:07:25,270 INFO L82 PathProgramCache]: Analyzing trace with hash -2048360334, now seen corresponding path program 1 times [2019-10-15 03:07:25,270 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:07:25,270 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771312499] [2019-10-15 03:07:25,270 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:07:25,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:07:25,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:07:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:07:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 03:07:25,555 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771312499] [2019-10-15 03:07:25,556 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:07:25,556 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:07:25,556 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785148979] [2019-10-15 03:07:25,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:07:25,559 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:07:25,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:07:25,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:07:25,559 INFO L87 Difference]: Start difference. First operand 836 states and 1291 transitions. Second operand 5 states. [2019-10-15 03:07:25,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:07:25,645 INFO L93 Difference]: Finished difference Result 1630 states and 2549 transitions. [2019-10-15 03:07:25,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:07:25,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2019-10-15 03:07:25,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:07:25,653 INFO L225 Difference]: With dead ends: 1630 [2019-10-15 03:07:25,654 INFO L226 Difference]: Without dead ends: 848 [2019-10-15 03:07:25,658 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:07:25,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2019-10-15 03:07:25,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 844. [2019-10-15 03:07:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 844 states. [2019-10-15 03:07:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1301 transitions. [2019-10-15 03:07:25,708 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1301 transitions. Word has length 130 [2019-10-15 03:07:25,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:07:25,711 INFO L462 AbstractCegarLoop]: Abstraction has 844 states and 1301 transitions. [2019-10-15 03:07:25,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:07:25,711 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1301 transitions. [2019-10-15 03:07:25,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-15 03:07:25,715 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:07:25,715 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:07:25,716 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:07:25,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:07:25,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1985703050, now seen corresponding path program 1 times [2019-10-15 03:07:25,716 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:07:25,716 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929666708] [2019-10-15 03:07:25,717 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:07:25,717 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:07:25,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:07:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:07:26,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 03:07:26,043 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929666708] [2019-10-15 03:07:26,043 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:07:26,043 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:07:26,043 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31709815] [2019-10-15 03:07:26,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:07:26,045 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:07:26,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:07:26,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:07:26,046 INFO L87 Difference]: Start difference. First operand 844 states and 1301 transitions. Second operand 6 states. [2019-10-15 03:07:30,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:07:30,508 INFO L93 Difference]: Finished difference Result 3067 states and 4795 transitions. [2019-10-15 03:07:30,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:07:30,508 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2019-10-15 03:07:30,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:07:30,536 INFO L225 Difference]: With dead ends: 3067 [2019-10-15 03:07:30,537 INFO L226 Difference]: Without dead ends: 2277 [2019-10-15 03:07:30,545 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:07:30,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2019-10-15 03:07:30,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 2233. [2019-10-15 03:07:30,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2233 states. [2019-10-15 03:07:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 2233 states and 3449 transitions. [2019-10-15 03:07:30,757 INFO L78 Accepts]: Start accepts. Automaton has 2233 states and 3449 transitions. Word has length 134 [2019-10-15 03:07:30,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:07:30,758 INFO L462 AbstractCegarLoop]: Abstraction has 2233 states and 3449 transitions. [2019-10-15 03:07:30,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:07:30,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 3449 transitions. [2019-10-15 03:07:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-15 03:07:30,770 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:07:30,771 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2019-10-15 03:07:30,771 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:07:30,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:07:30,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1929700843, now seen corresponding path program 1 times [2019-10-15 03:07:30,772 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:07:30,773 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119242419] [2019-10-15 03:07:30,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:07:30,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:07:30,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:07:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:07:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 03:07:31,970 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119242419] [2019-10-15 03:07:31,970 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:07:31,970 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-15 03:07:31,971 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640682069] [2019-10-15 03:07:31,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-15 03:07:31,972 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:07:31,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-15 03:07:31,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2019-10-15 03:07:31,974 INFO L87 Difference]: Start difference. First operand 2233 states and 3449 transitions. Second operand 28 states. [2019-10-15 03:07:34,926 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 17 [2019-10-15 03:07:35,564 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 16