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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:08:13,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:08:13,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:08:13,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:08:13,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:08:13,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:08:13,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:08:13,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:08:13,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:08:13,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:08:13,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:08:13,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:08:13,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:08:13,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:08:13,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:08:13,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:08:13,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:08:13,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:08:13,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:08:13,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:08:13,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:08:13,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:08:13,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:08:13,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:08:13,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:08:13,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:08:13,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:08:13,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:08:13,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:08:13,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:08:13,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:08:13,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:08:13,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:08:13,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:08:13,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:08:13,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:08:13,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:08:13,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:08:13,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:08:13,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:08:13,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:08:13,947 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 [2019-10-07 14:08:13,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:08:13,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:08:13,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:08:13,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:08:13,974 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:08:13,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:08:13,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:08:13,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:08:13,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:08:13,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:08:13,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:08:13,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:08:13,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:08:13,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:08:13,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:08:13,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:08:13,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:08:13,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:08:13,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:08:13,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:08:13,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:08:13,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:08:13,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:08:13,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:08:13,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:08:13,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:08:13,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:08:13,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:08:13,979 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 [2019-10-07 14:08:14,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:08:14,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:08:14,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:08:14,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:08:14,284 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:08:14,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product23.cil.c [2019-10-07 14:08:14,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89acd41fb/5150c5a70ed14a7d97911ae0d5207a17/FLAG2ba4644d3 [2019-10-07 14:08:14,971 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:08:14,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product23.cil.c [2019-10-07 14:08:14,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89acd41fb/5150c5a70ed14a7d97911ae0d5207a17/FLAG2ba4644d3 [2019-10-07 14:08:15,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89acd41fb/5150c5a70ed14a7d97911ae0d5207a17 [2019-10-07 14:08:15,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:08:15,195 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:08:15,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:08:15,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:08:15,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:08:15,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:08:15" (1/1) ... [2019-10-07 14:08:15,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25eea2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:15, skipping insertion in model container [2019-10-07 14:08:15,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:08:15" (1/1) ... [2019-10-07 14:08:15,212 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:08:15,294 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:08:15,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:08:15,959 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:08:16,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:08:16,161 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:08:16,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:16 WrapperNode [2019-10-07 14:08:16,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:08:16,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:08:16,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:08:16,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:08:16,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:16" (1/1) ... [2019-10-07 14:08:16,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:16" (1/1) ... [2019-10-07 14:08:16,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:16" (1/1) ... [2019-10-07 14:08:16,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:16" (1/1) ... [2019-10-07 14:08:16,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:16" (1/1) ... [2019-10-07 14:08:16,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:16" (1/1) ... [2019-10-07 14:08:16,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:16" (1/1) ... [2019-10-07 14:08:16,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:08:16,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:08:16,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:08:16,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:08:16,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:16" (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 [2019-10-07 14:08:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:08:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:08:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:08:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:08:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:08:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:08:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:08:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:08:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:08:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:08:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:08:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:08:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:08:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:08:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:08:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:08:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:08:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:08:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:08:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:08:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:08:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:08:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:08:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:08:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:08:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:08:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:08:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:08:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:08:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:08:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:08:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:08:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:08:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:08:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:08:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:08:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:08:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:08:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:08:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:08:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:08:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:08:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:08:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:08:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:08:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:08:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:08:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:08:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:08:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:08:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:08:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:08:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:08:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:08:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:08:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:08:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-07 14:08:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:08:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:08:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:08:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:08:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-07 14:08:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:08:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:08:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:08:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:08:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:08:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:08:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:08:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-07 14:08:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-07 14:08:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:08:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:08:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:08:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:08:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:08:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:08:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:08:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:08:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:08:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:08:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:08:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:08:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:08:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:08:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:08:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:08:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:08:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:08:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:08:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:08:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:08:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:08:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:08:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:08:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:08:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:08:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:08:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:08:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:08:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:08:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:08:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:08:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:08:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:08:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:08:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:08:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:08:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:08:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:08:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:08:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:08:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:08:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:08:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:08:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:08:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:08:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:08:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:08:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:08:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:08:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:08:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:08:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:08:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:08:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:08:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:08:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:08:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:08:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:08:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:08:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:08:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:08:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:08:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:08:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:08:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:08:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:08:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:08:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:08:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:08:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:08:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:08:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:08:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:08:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:08:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:08:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:08:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:08:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:08:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:08:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:08:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-07 14:08:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-07 14:08:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:08:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:08:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:08:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:08:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:08:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:08:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:08:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-07 14:08:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:08:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:08:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:08:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-07 14:08:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:08:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:08:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:08:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:08:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:08:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:08:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:08:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:08:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:08:21,340 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:08:21,341 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:08:21,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:08:21 BoogieIcfgContainer [2019-10-07 14:08:21,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:08:21,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:08:21,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:08:21,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:08:21,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:08:15" (1/3) ... [2019-10-07 14:08:21,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561dcae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:08:21, skipping insertion in model container [2019-10-07 14:08:21,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:16" (2/3) ... [2019-10-07 14:08:21,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561dcae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:08:21, skipping insertion in model container [2019-10-07 14:08:21,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:08:21" (3/3) ... [2019-10-07 14:08:21,355 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product23.cil.c [2019-10-07 14:08:21,365 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:08:21,378 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:08:21,390 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:08:21,432 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:08:21,432 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:08:21,433 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:08:21,433 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:08:21,433 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:08:21,433 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:08:21,433 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:08:21,433 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:08:21,535 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states. [2019-10-07 14:08:21,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 14:08:21,569 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:08:21,571 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 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] [2019-10-07 14:08:21,572 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:08:21,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:08:21,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1664173516, now seen corresponding path program 1 times [2019-10-07 14:08:21,585 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:08:21,585 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:21,585 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:21,586 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:21,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:08:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:22,304 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:08:22,305 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:22,306 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:08:22,306 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:08:22,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:08:22,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:08:22,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:08:22,328 INFO L87 Difference]: Start difference. First operand 595 states. Second operand 2 states. [2019-10-07 14:08:22,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:08:22,423 INFO L93 Difference]: Finished difference Result 504 states and 744 transitions. [2019-10-07 14:08:22,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:08:22,425 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 135 [2019-10-07 14:08:22,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:08:22,465 INFO L225 Difference]: With dead ends: 504 [2019-10-07 14:08:22,466 INFO L226 Difference]: Without dead ends: 470 [2019-10-07 14:08:22,473 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:08:22,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-10-07 14:08:22,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2019-10-07 14:08:22,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-10-07 14:08:22,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 693 transitions. [2019-10-07 14:08:22,625 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 693 transitions. Word has length 135 [2019-10-07 14:08:22,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:08:22,633 INFO L462 AbstractCegarLoop]: Abstraction has 470 states and 693 transitions. [2019-10-07 14:08:22,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:08:22,634 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 693 transitions. [2019-10-07 14:08:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-07 14:08:22,643 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:08:22,643 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 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] [2019-10-07 14:08:22,644 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:08:22,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:08:22,645 INFO L82 PathProgramCache]: Analyzing trace with hash -437417159, now seen corresponding path program 1 times [2019-10-07 14:08:22,645 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:08:22,646 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:22,646 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:22,646 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:22,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:08:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:08:23,075 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:23,075 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:08:23,076 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:08:23,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:08:23,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:08:23,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:08:23,079 INFO L87 Difference]: Start difference. First operand 470 states and 693 transitions. Second operand 7 states. [2019-10-07 14:08:26,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:08:26,955 INFO L93 Difference]: Finished difference Result 1315 states and 1990 transitions. [2019-10-07 14:08:26,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:08:26,956 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2019-10-07 14:08:26,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:08:26,971 INFO L225 Difference]: With dead ends: 1315 [2019-10-07 14:08:26,972 INFO L226 Difference]: Without dead ends: 898 [2019-10-07 14:08:26,982 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:08:26,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2019-10-07 14:08:27,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 873. [2019-10-07 14:08:27,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 873 states. [2019-10-07 14:08:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1316 transitions. [2019-10-07 14:08:27,081 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1316 transitions. Word has length 136 [2019-10-07 14:08:27,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:08:27,083 INFO L462 AbstractCegarLoop]: Abstraction has 873 states and 1316 transitions. [2019-10-07 14:08:27,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:08:27,090 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1316 transitions. [2019-10-07 14:08:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 14:08:27,096 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:08:27,096 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 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] [2019-10-07 14:08:27,096 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:08:27,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:08:27,097 INFO L82 PathProgramCache]: Analyzing trace with hash 490961431, now seen corresponding path program 1 times [2019-10-07 14:08:27,097 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:08:27,097 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:27,097 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:27,097 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:27,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:08:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:08:27,374 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:27,375 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:08:27,375 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:08:27,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:08:27,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:08:27,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:08:27,376 INFO L87 Difference]: Start difference. First operand 873 states and 1316 transitions. Second operand 6 states. [2019-10-07 14:08:27,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:08:27,959 INFO L93 Difference]: Finished difference Result 912 states and 1372 transitions. [2019-10-07 14:08:27,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:08:27,960 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2019-10-07 14:08:27,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:08:27,967 INFO L225 Difference]: With dead ends: 912 [2019-10-07 14:08:27,967 INFO L226 Difference]: Without dead ends: 895 [2019-10-07 14:08:27,968 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:08:27,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2019-10-07 14:08:28,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 877. [2019-10-07 14:08:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2019-10-07 14:08:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1320 transitions. [2019-10-07 14:08:28,024 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1320 transitions. Word has length 140 [2019-10-07 14:08:28,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:08:28,025 INFO L462 AbstractCegarLoop]: Abstraction has 877 states and 1320 transitions. [2019-10-07 14:08:28,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:08:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1320 transitions. [2019-10-07 14:08:28,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-07 14:08:28,029 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:08:28,030 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 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] [2019-10-07 14:08:28,030 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:08:28,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:08:28,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1144105526, now seen corresponding path program 1 times [2019-10-07 14:08:28,031 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:08:28,031 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:28,031 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:28,031 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:28,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:08:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:28,239 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:08:28,240 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:28,240 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:08:28,240 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:08:28,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:08:28,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:08:28,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:08:28,241 INFO L87 Difference]: Start difference. First operand 877 states and 1320 transitions. Second operand 8 states. [2019-10-07 14:08:28,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:08:28,319 INFO L93 Difference]: Finished difference Result 898 states and 1346 transitions. [2019-10-07 14:08:28,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 14:08:28,320 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2019-10-07 14:08:28,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:08:28,328 INFO L225 Difference]: With dead ends: 898 [2019-10-07 14:08:28,328 INFO L226 Difference]: Without dead ends: 881 [2019-10-07 14:08:28,329 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:08:28,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2019-10-07 14:08:28,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 877. [2019-10-07 14:08:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2019-10-07 14:08:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1318 transitions. [2019-10-07 14:08:28,439 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1318 transitions. Word has length 145 [2019-10-07 14:08:28,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:08:28,439 INFO L462 AbstractCegarLoop]: Abstraction has 877 states and 1318 transitions. [2019-10-07 14:08:28,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:08:28,440 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1318 transitions. [2019-10-07 14:08:28,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:08:28,445 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:08:28,445 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:08:28,446 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:08:28,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:08:28,446 INFO L82 PathProgramCache]: Analyzing trace with hash -216213488, now seen corresponding path program 1 times [2019-10-07 14:08:28,446 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:08:28,446 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:28,447 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:28,447 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:28,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:08:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:08:29,684 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:29,685 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:08:29,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:08:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:30,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 3298 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-07 14:08:30,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:08:30,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:30,619 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:08:30,619 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:08:30,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:08:31,219 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 14:08:31,220 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [32] total 37 [2019-10-07 14:08:31,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:08:31,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:08:31,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1232, Unknown=0, NotChecked=0, Total=1332 [2019-10-07 14:08:31,222 INFO L87 Difference]: Start difference. First operand 877 states and 1318 transitions. Second operand 7 states. [2019-10-07 14:08:31,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:08:31,319 INFO L93 Difference]: Finished difference Result 920 states and 1372 transitions. [2019-10-07 14:08:31,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:08:31,320 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2019-10-07 14:08:31,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:08:31,329 INFO L225 Difference]: With dead ends: 920 [2019-10-07 14:08:31,329 INFO L226 Difference]: Without dead ends: 903 [2019-10-07 14:08:31,330 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 328 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=104, Invalid=1302, Unknown=0, NotChecked=0, Total=1406 [2019-10-07 14:08:31,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2019-10-07 14:08:31,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 889. [2019-10-07 14:08:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2019-10-07 14:08:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1330 transitions. [2019-10-07 14:08:31,412 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1330 transitions. Word has length 160 [2019-10-07 14:08:31,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:08:31,413 INFO L462 AbstractCegarLoop]: Abstraction has 889 states and 1330 transitions. [2019-10-07 14:08:31,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:08:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1330 transitions. [2019-10-07 14:08:31,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 14:08:31,421 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:08:31,421 INFO L385 BasicCegarLoop]: trace histogram [7, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:08:31,632 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:08:31,632 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:08:31,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:08:31,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1336993529, now seen corresponding path program 1 times [2019-10-07 14:08:31,633 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:08:31,633 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:31,633 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:31,634 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:31,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:08:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-07 14:08:32,325 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:32,326 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:08:32,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:08:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:32,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 3362 conjuncts, 41 conjunts are in the unsatisfiable core [2019-10-07 14:08:32,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:08:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-10-07 14:08:33,559 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:08:34,023 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:08:34,976 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:08:35,400 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-07 14:08:35,676 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,678 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,681 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:35,686 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:36,243 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:08:37,179 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:08:37,581 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-07 14:08:37,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,709 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,709 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,711 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:37,713 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:38,119 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:08:38,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:38,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:38,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:38,884 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:08:39,422 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:08:39,911 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:08:40,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,559 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,562 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,563 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,570 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,574 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,575 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,585 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:40,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,045 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:08:41,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,472 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,472 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:41,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,044 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:08:42,271 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,272 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:08:42,272 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,273 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,273 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,274 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,274 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,275 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,278 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,278 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:08:42,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,280 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:08:42,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,283 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,777 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:08:42,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:08:42,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,917 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:42,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:08:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-10-07 14:08:43,039 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:08:43,067 INFO L162 IcfgInterpreter]: Started Sifa with 152 locations of interest [2019-10-07 14:08:43,067 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:08:43,074 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:08:43,080 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:08:43,081 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:09:20,747 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 764 [2019-10-07 14:09:25,522 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 405 DAG size of output: 327 [2019-10-07 14:09:25,902 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 850 [2019-10-07 14:09:26,145 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 850 [2019-10-07 14:09:26,360 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 850 [2019-10-07 14:09:26,969 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:09:27,460 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:09:27,986 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:09:28,505 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:09:29,599 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1042 DAG size of output: 1040 [2019-10-07 14:09:30,147 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:09:30,672 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:09:31,136 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:09:31,653 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:09:32,164 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:09:32,184 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 391 for LOIs [2019-10-07 14:09:32,408 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 733 [2019-10-07 14:09:32,521 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 733 [2019-10-07 14:09:32,935 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 923 [2019-10-07 14:09:32,936 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1090 for LOIs [2019-10-07 14:09:33,384 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:33,850 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:34,016 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:34,784 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:35,241 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:35,749 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:35,883 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:36,648 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:37,153 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:37,603 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:37,810 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:38,619 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:39,481 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 1262 DAG size of output: 1090 [2019-10-07 14:09:39,932 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:40,071 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:40,839 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:41,308 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:41,756 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:41,878 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:42,678 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:43,130 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:43,582 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:43,704 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:44,477 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:44,926 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:45,387 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:45,510 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:46,279 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:46,749 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:47,200 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:47,326 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:48,087 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:48,540 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:48,989 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:49,114 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:49,877 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:50,331 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:50,792 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:50,915 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:51,692 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:52,142 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:52,595 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:52,718 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:53,480 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:53,929 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:54,377 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:54,499 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:55,266 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:55,714 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:56,163 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:09:56,285 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:57,054 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:58,241 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:59,003 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:59,134 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:59,904 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:01,856 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:02,623 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:02,766 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:03,525 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:04,285 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:05,048 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:05,169 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:05,932 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:06,916 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:07,687 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:07,816 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:08,579 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:09,361 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:10,132 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:10,270 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:11,038 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:11,815 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:12,585 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:12,710 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:13,478 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:14,255 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 14:10:15,026 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 14:10:15,196 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:15,968 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 14:10:16,735 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:10:17,523 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:10:17,657 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:18,432 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:10:19,242 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:10:20,017 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:10:20,149 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:20,926 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:10:22,341 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1271 [2019-10-07 14:10:23,103 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:10:23,344 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:24,117 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:10:24,893 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:10:25,671 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:10:25,797 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:26,575 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:10:27,979 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:28,737 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:28,892 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:29,648 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:31,029 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:31,788 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:31,916 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:32,678 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:33,438 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:34,193 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:34,317 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:35,081 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:35,883 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:36,648 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:36,780 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:37,560 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:38,348 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:39,113 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:39,253 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:40,023 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:40,789 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:41,554 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:41,681 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:42,459 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:43,768 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1271 DAG size of output: 1262 [2019-10-07 14:10:44,536 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:10:44,665 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:45,437 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:46,814 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1264 [2019-10-07 14:10:47,587 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:47,716 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:48,481 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:10:49,872 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:50,630 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:50,758 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:51,516 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:53,093 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:53,860 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:53,993 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:54,766 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:55,529 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:56,290 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:56,414 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:57,176 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:58,577 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:59,340 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:59,469 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:11:00,231 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:01,823 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:11:02,584 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:02,711 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:11:03,480 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:04,238 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:05,001 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:05,124 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:11:05,887 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:07,290 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:11:08,062 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:11:08,191 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:08,960 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:09,733 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:10,501 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:10,634 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:11,403 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:12,798 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:11:13,565 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:13,694 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:11:14,457 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:15,845 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:11:16,608 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:16,735 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:11:17,493 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:18,257 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:19,026 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:19,149 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:11:19,908 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:20,712 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:21,482 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:21,611 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:22,382 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:23,170 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:23,947 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:24,092 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:24,858 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:25,628 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:26,394 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:26,521 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:27,293 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:28,667 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:11:29,447 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:11:29,576 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:30,342 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:31,738 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:11:32,503 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:32,646 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:11:33,407 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:35,259 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:11:36,021 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:36,148 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:11:36,908 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:37,670 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:38,434 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:38,557 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:11:39,323 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:11:40,121 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:40,883 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:41,012 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:41,780 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:42,561 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:43,332 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:43,467 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:44,248 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:45,016 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:45,786 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:45,911 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:46,677 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:48,057 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1271 DAG size of output: 1264 [2019-10-07 14:11:48,813 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:48,943 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:49,726 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:11:51,034 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1266 [2019-10-07 14:11:51,801 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:11:51,935 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:52,704 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:11:54,148 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1271 [2019-10-07 14:11:54,926 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:11:55,055 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:55,830 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:11:57,229 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1271 [2019-10-07 14:11:58,001 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:11:58,130 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:11:58,903 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:12:00,301 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:12:01,062 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:01,193 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:12:01,952 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:03,354 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:12:04,118 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:04,244 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:12:05,006 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:05,769 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:06,527 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:06,649 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:12:07,413 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:08,809 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:12:09,582 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:12:09,711 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:12:10,475 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:12:11,853 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:12:12,623 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:12:12,757 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:12:13,521 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:12:14,285 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:12:15,058 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:12:15,183 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:12:15,958 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:12:17,459 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:12:18,219 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:12:18,355 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:12:19,118 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:12:20,510 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:12:21,275 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:12:21,404 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:12:22,171 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:12:23,559 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:12:24,320 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:24,447 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:12:25,215 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:26,583 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:12:27,344 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:27,471 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:12:28,229 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:28,235 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1116 for LOIs [2019-10-07 14:12:28,727 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:12:29,218 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:12:29,342 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:12:30,110 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:30,658 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:12:31,166 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:12:31,289 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:12:32,049 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:32,989 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 1262 DAG size of output: 1126 [2019-10-07 14:12:33,495 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:12:33,620 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:12:34,379 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:34,901 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:12:35,422 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:12:35,544 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:12:36,298 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:36,805 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:12:37,312 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:12:37,433 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:12:38,190 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:38,703 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:12:39,212 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:12:39,334 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:12:40,093 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:12:40,368 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:12:40,370 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:12:40,376 INFO L168 Benchmark]: Toolchain (without parser) took 265180.70 ms. Allocated memory was 136.3 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 96.9 MB in the beginning and 302.0 MB in the end (delta: -205.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-10-07 14:12:40,376 INFO L168 Benchmark]: CDTParser took 1.25 ms. Allocated memory is still 136.3 MB. Free memory is still 117.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:12:40,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.04 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 96.9 MB in the beginning and 138.9 MB in the end (delta: -42.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:12:40,377 INFO L168 Benchmark]: Boogie Preprocessor took 233.02 ms. Allocated memory is still 201.3 MB. Free memory was 138.9 MB in the beginning and 129.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:12:40,378 INFO L168 Benchmark]: RCFGBuilder took 4947.52 ms. Allocated memory was 201.3 MB in the beginning and 315.6 MB in the end (delta: 114.3 MB). Free memory was 129.4 MB in the beginning and 75.6 MB in the end (delta: 53.8 MB). Peak memory consumption was 168.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:12:40,378 INFO L168 Benchmark]: TraceAbstraction took 259029.59 ms. Allocated memory was 315.6 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 75.6 MB in the beginning and 302.0 MB in the end (delta: -226.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-10-07 14:12:40,389 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 ms. Allocated memory is still 136.3 MB. Free memory is still 117.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 966.04 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 96.9 MB in the beginning and 138.9 MB in the end (delta: -42.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 233.02 ms. Allocated memory is still 201.3 MB. Free memory was 138.9 MB in the beginning and 129.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4947.52 ms. Allocated memory was 201.3 MB in the beginning and 315.6 MB in the end (delta: 114.3 MB). Free memory was 129.4 MB in the beginning and 75.6 MB in the end (delta: 53.8 MB). Peak memory consumption was 168.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 259029.59 ms. Allocated memory was 315.6 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 75.6 MB in the beginning and 302.0 MB in the end (delta: -226.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...