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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:11:54,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:11:54,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:11:54,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:11:54,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:11:54,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:11:54,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:11:54,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:11:54,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:11:54,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:11:54,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:11:54,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:11:54,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:11:54,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:11:54,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:11:54,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:11:54,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:11:54,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:11:54,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:11:54,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:11:54,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:11:54,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:11:54,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:11:54,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:11:54,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:11:54,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:11:54,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:11:54,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:11:54,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:11:54,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:11:54,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:11:54,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:11:54,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:11:54,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:11:54,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:11:54,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:11:54,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:11:54,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:11:54,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:11:54,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:11:54,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:11:54,924 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 14:11:54,942 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:11:54,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:11:54,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:11:54,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:11:54,947 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:11:54,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:11:54,947 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:11:54,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:11:54,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:11:54,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:11:54,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:11:54,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:11:54,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:11:54,949 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:11:54,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:11:54,949 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:11:54,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:11:54,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:11:54,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:11:54,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:11:54,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:11:54,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:11:54,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:11:54,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:11:54,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:11:54,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:11:54,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:11:54,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:11:54,952 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 14:11:55,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:11:55,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:11:55,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:11:55,257 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:11:55,257 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:11:55,258 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product32.cil.c [2019-10-07 14:11:55,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df546af6a/422024c23816424b9ef8dbc1186e1548/FLAGe839f9585 [2019-10-07 14:11:56,023 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:11:56,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product32.cil.c [2019-10-07 14:11:56,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df546af6a/422024c23816424b9ef8dbc1186e1548/FLAGe839f9585 [2019-10-07 14:11:56,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df546af6a/422024c23816424b9ef8dbc1186e1548 [2019-10-07 14:11:56,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:11:56,197 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:11:56,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:11:56,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:11:56,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:11:56,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:11:56" (1/1) ... [2019-10-07 14:11:56,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54803c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:56, skipping insertion in model container [2019-10-07 14:11:56,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:11:56" (1/1) ... [2019-10-07 14:11:56,211 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:11:56,282 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:11:57,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:11:57,019 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:11:57,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:11:57,271 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:11:57,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:57 WrapperNode [2019-10-07 14:11:57,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:11:57,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:11:57,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:11:57,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:11:57,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:57" (1/1) ... [2019-10-07 14:11:57,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:57" (1/1) ... [2019-10-07 14:11:57,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:57" (1/1) ... [2019-10-07 14:11:57,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:57" (1/1) ... [2019-10-07 14:11:57,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:57" (1/1) ... [2019-10-07 14:11:57,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:57" (1/1) ... [2019-10-07 14:11:57,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:57" (1/1) ... [2019-10-07 14:11:57,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:11:57,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:11:57,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:11:57,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:11:57,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:57" (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 14:11:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:11:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:11:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:11:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:11:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:11:57,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:11:57,574 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:11:57,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:11:57,574 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:11:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:11:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:11:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:11:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:11:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:11:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-07 14:11:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:11:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:11:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:11:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:11:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:11:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:11:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:11:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:11:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:11:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:11:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:11:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:11:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:11:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:11:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:11:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:11:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:11:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:11:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:11:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:11:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-07 14:11:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:11:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-07 14:11:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:11:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:11:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-07 14:11:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-07 14:11:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:11:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:11:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:11:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:11:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:11:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:11:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:11:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:11:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:11:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:11:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:11:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:11:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:11:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:11:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:11:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:11:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:11:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:11:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:11:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:11:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:11:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:11:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:11:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:11:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:11:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:11:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:11:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:11:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:11:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:11:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:11:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:11:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:11:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:11:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:11:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:11:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:11:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:11:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:11:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:11:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:11:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:11:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:11:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:11:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:11:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:11:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:11:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:11:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:11:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:11:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:11:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:11:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:11:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:11:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:11:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:11:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:11:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:11:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:11:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:11:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:11:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:11:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:11:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:11:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:11:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:11:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:11:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:11:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:11:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:11:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-07 14:11:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-07 14:11:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:11:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:11:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-07 14:11:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:11:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:11:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:11:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:11:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:11:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:11:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:11:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:11:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:11:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:11:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:11:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:11:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:11:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:11:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-07 14:11:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:11:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-07 14:11:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:11:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:11:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:11:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:11:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:11:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:11:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:11:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:11:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:11:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:11:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:11:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:11:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:11:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:11:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:11:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:11:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:11:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:11:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:11:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:11:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:11:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:11:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:11:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:11:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:11:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:11:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:11:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:11:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:11:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:11:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:11:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:11:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:11:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:11:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:11:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:11:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:11:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:11:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:11:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:11:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:11:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:11:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:11:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:11:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:11:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:11:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:12:02,684 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:12:02,684 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:12:02,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:12:02 BoogieIcfgContainer [2019-10-07 14:12:02,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:12:02,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:12:02,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:12:02,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:12:02,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:11:56" (1/3) ... [2019-10-07 14:12:02,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec875b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:12:02, skipping insertion in model container [2019-10-07 14:12:02,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:57" (2/3) ... [2019-10-07 14:12:02,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec875b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:12:02, skipping insertion in model container [2019-10-07 14:12:02,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:12:02" (3/3) ... [2019-10-07 14:12:02,695 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product32.cil.c [2019-10-07 14:12:02,705 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:12:02,714 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:12:02,726 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:12:02,777 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:12:02,777 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:12:02,777 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:12:02,778 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:12:02,778 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:12:02,778 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:12:02,778 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:12:02,778 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:12:02,824 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states. [2019-10-07 14:12:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-07 14:12:02,845 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:12:02,847 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:12:02,851 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:12:02,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:12:02,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1630587040, now seen corresponding path program 1 times [2019-10-07 14:12:02,868 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:12:02,869 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:02,869 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:02,869 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:02,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:12:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:12:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 14:12:03,641 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:03,641 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:12:03,642 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:12:03,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:12:03,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:12:03,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:12:03,668 INFO L87 Difference]: Start difference. First operand 617 states. Second operand 6 states. [2019-10-07 14:12:07,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:12:07,382 INFO L93 Difference]: Finished difference Result 1481 states and 2263 transitions. [2019-10-07 14:12:07,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 14:12:07,385 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2019-10-07 14:12:07,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:12:07,415 INFO L225 Difference]: With dead ends: 1481 [2019-10-07 14:12:07,416 INFO L226 Difference]: Without dead ends: 1023 [2019-10-07 14:12:07,429 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:12:07,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2019-10-07 14:12:07,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 932. [2019-10-07 14:12:07,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2019-10-07 14:12:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1417 transitions. [2019-10-07 14:12:07,625 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1417 transitions. Word has length 97 [2019-10-07 14:12:07,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:12:07,627 INFO L462 AbstractCegarLoop]: Abstraction has 932 states and 1417 transitions. [2019-10-07 14:12:07,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:12:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1417 transitions. [2019-10-07 14:12:07,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 14:12:07,642 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:12:07,643 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:12:07,643 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:12:07,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:12:07,644 INFO L82 PathProgramCache]: Analyzing trace with hash 699214467, now seen corresponding path program 1 times [2019-10-07 14:12:07,644 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:12:07,644 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:07,644 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:07,644 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:07,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:12:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:12:08,092 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 14:12:08,093 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:08,093 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:12:08,093 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:12:08,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:12:08,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:12:08,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:12:08,096 INFO L87 Difference]: Start difference. First operand 932 states and 1417 transitions. Second operand 7 states. [2019-10-07 14:12:11,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:12:11,914 INFO L93 Difference]: Finished difference Result 2718 states and 4199 transitions. [2019-10-07 14:12:11,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:12:11,914 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2019-10-07 14:12:11,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:12:11,930 INFO L225 Difference]: With dead ends: 2718 [2019-10-07 14:12:11,930 INFO L226 Difference]: Without dead ends: 1840 [2019-10-07 14:12:11,936 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 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 14:12:11,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2019-10-07 14:12:12,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1803. [2019-10-07 14:12:12,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1803 states. [2019-10-07 14:12:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2777 transitions. [2019-10-07 14:12:12,063 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2777 transitions. Word has length 146 [2019-10-07 14:12:12,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:12:12,064 INFO L462 AbstractCegarLoop]: Abstraction has 1803 states and 2777 transitions. [2019-10-07 14:12:12,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:12:12,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2777 transitions. [2019-10-07 14:12:12,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-07 14:12:12,070 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:12:12,070 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, 1, 1, 1, 1] [2019-10-07 14:12:12,070 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:12:12,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:12:12,071 INFO L82 PathProgramCache]: Analyzing trace with hash 247221830, now seen corresponding path program 1 times [2019-10-07 14:12:12,071 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:12:12,071 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:12,071 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:12,071 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:12,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:12:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:12:12,347 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 14:12:12,347 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:12,347 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:12:12,348 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 14:12:12,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 14:12:12,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 14:12:12,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:12:12,350 INFO L87 Difference]: Start difference. First operand 1803 states and 2777 transitions. Second operand 12 states. [2019-10-07 14:12:20,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:12:20,378 INFO L93 Difference]: Finished difference Result 4588 states and 7042 transitions. [2019-10-07 14:12:20,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-07 14:12:20,379 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 149 [2019-10-07 14:12:20,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:12:20,401 INFO L225 Difference]: With dead ends: 4588 [2019-10-07 14:12:20,402 INFO L226 Difference]: Without dead ends: 2838 [2019-10-07 14:12:20,414 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=836, Unknown=0, NotChecked=0, Total=992 [2019-10-07 14:12:20,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2838 states. [2019-10-07 14:12:20,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2838 to 2789. [2019-10-07 14:12:20,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2789 states. [2019-10-07 14:12:20,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2789 states and 4242 transitions. [2019-10-07 14:12:20,591 INFO L78 Accepts]: Start accepts. Automaton has 2789 states and 4242 transitions. Word has length 149 [2019-10-07 14:12:20,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:12:20,591 INFO L462 AbstractCegarLoop]: Abstraction has 2789 states and 4242 transitions. [2019-10-07 14:12:20,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 14:12:20,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 4242 transitions. [2019-10-07 14:12:20,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-07 14:12:20,597 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:12:20,597 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, 1, 1, 1, 1, 1] [2019-10-07 14:12:20,598 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:12:20,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:12:20,598 INFO L82 PathProgramCache]: Analyzing trace with hash 2003943514, now seen corresponding path program 1 times [2019-10-07 14:12:20,598 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:12:20,599 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:20,599 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:20,599 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:20,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:12:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:12:20,857 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 14:12:20,858 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:20,858 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:12:20,858 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:12:20,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:12:20,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:12:20,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:12:20,859 INFO L87 Difference]: Start difference. First operand 2789 states and 4242 transitions. Second operand 6 states. [2019-10-07 14:12:21,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:12:21,624 INFO L93 Difference]: Finished difference Result 2841 states and 4324 transitions. [2019-10-07 14:12:21,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:12:21,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2019-10-07 14:12:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:12:21,645 INFO L225 Difference]: With dead ends: 2841 [2019-10-07 14:12:21,645 INFO L226 Difference]: Without dead ends: 2824 [2019-10-07 14:12:21,647 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 14:12:21,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2019-10-07 14:12:21,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2795. [2019-10-07 14:12:21,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2795 states. [2019-10-07 14:12:21,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2795 states and 4248 transitions. [2019-10-07 14:12:21,801 INFO L78 Accepts]: Start accepts. Automaton has 2795 states and 4248 transitions. Word has length 150 [2019-10-07 14:12:21,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:12:21,807 INFO L462 AbstractCegarLoop]: Abstraction has 2795 states and 4248 transitions. [2019-10-07 14:12:21,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:12:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 4248 transitions. [2019-10-07 14:12:21,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-07 14:12:21,812 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:12:21,813 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:12:21,813 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:12:21,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:12:21,813 INFO L82 PathProgramCache]: Analyzing trace with hash -681305135, now seen corresponding path program 1 times [2019-10-07 14:12:21,814 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:12:21,814 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:21,814 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:21,814 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:21,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:12:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:12:22,065 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 14:12:22,065 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:22,066 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:12:22,066 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 14:12:22,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 14:12:22,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 14:12:22,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:12:22,067 INFO L87 Difference]: Start difference. First operand 2795 states and 4248 transitions. Second operand 9 states. [2019-10-07 14:12:23,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:12:23,086 INFO L93 Difference]: Finished difference Result 2966 states and 4480 transitions. [2019-10-07 14:12:23,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:12:23,087 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-10-07 14:12:23,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:12:23,107 INFO L225 Difference]: With dead ends: 2966 [2019-10-07 14:12:23,107 INFO L226 Difference]: Without dead ends: 2949 [2019-10-07 14:12:23,111 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-10-07 14:12:23,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2949 states. [2019-10-07 14:12:23,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2949 to 2887. [2019-10-07 14:12:23,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2887 states. [2019-10-07 14:12:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 4372 transitions. [2019-10-07 14:12:23,300 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 4372 transitions. Word has length 155 [2019-10-07 14:12:23,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:12:23,303 INFO L462 AbstractCegarLoop]: Abstraction has 2887 states and 4372 transitions. [2019-10-07 14:12:23,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 14:12:23,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 4372 transitions. [2019-10-07 14:12:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-07 14:12:23,310 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:12:23,311 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:12:23,311 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:12:23,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:12:23,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1690517356, now seen corresponding path program 1 times [2019-10-07 14:12:23,312 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:12:23,312 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:23,312 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:23,312 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:23,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:12:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:12:24,677 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:12:24,677 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:24,677 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:12:24,678 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 14:12:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:12:25,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 3559 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-07 14:12:25,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:12:25,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:25,579 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 14:12:25,579 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:12:25,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:26,302 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 14:12:26,303 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 14:12:26,303 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [32] total 37 [2019-10-07 14:12:26,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:12:26,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:12:26,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1229, Unknown=0, NotChecked=0, Total=1332 [2019-10-07 14:12:26,305 INFO L87 Difference]: Start difference. First operand 2887 states and 4372 transitions. Second operand 7 states. [2019-10-07 14:12:26,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:12:26,496 INFO L93 Difference]: Finished difference Result 2978 states and 4484 transitions. [2019-10-07 14:12:26,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:12:26,496 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 170 [2019-10-07 14:12:26,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:12:26,516 INFO L225 Difference]: With dead ends: 2978 [2019-10-07 14:12:26,517 INFO L226 Difference]: Without dead ends: 2961 [2019-10-07 14:12:26,520 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 352 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=107, Invalid=1299, Unknown=0, NotChecked=0, Total=1406 [2019-10-07 14:12:26,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2019-10-07 14:12:26,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 2941. [2019-10-07 14:12:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2941 states. [2019-10-07 14:12:26,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 4426 transitions. [2019-10-07 14:12:26,814 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 4426 transitions. Word has length 170 [2019-10-07 14:12:26,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:12:26,814 INFO L462 AbstractCegarLoop]: Abstraction has 2941 states and 4426 transitions. [2019-10-07 14:12:26,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:12:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 4426 transitions. [2019-10-07 14:12:26,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-07 14:12:26,821 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:12:26,821 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:12:27,031 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:12:27,032 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:12:27,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:12:27,032 INFO L82 PathProgramCache]: Analyzing trace with hash -810092726, now seen corresponding path program 1 times [2019-10-07 14:12:27,034 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:12:27,034 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:27,034 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:27,034 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:12:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:12:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:12:27,664 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 14:12:27,664 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:12:27,664 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:12:27,664 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 14:12:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:12:28,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 3623 conjuncts, 41 conjunts are in the unsatisfiable core [2019-10-07 14:12:28,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:12:28,973 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 14:12:28,973 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:12:29,537 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:12:29,913 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-10-07 14:12:30,793 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:12:31,239 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-07 14:12:31,548 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,549 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,549 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,553 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,554 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,556 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:31,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:32,105 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:12:33,039 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-10-07 14:12:33,422 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:12:33,820 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-07 14:12:33,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:33,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:34,429 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:12:34,695 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:34,696 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:34,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:35,197 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:12:35,796 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:12:36,305 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:12:36,845 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-10-07 14:12:37,191 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,192 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,194 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,194 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,198 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,198 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,199 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,199 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,200 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,201 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:37,678 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:12:38,336 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,338 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,338 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,344 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,344 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,346 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,346 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:38,812 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:12:39,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,293 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:39,837 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:12:40,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,091 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,091 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,095 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,102 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,102 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,103 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,103 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,104 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,104 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,105 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,106 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,106 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,107 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,109 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,109 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,110 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,110 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,111 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,113 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,652 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:12:40,775 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-10-07 14:12:40,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:12:40,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,780 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,781 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,781 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,782 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,782 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,783 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,783 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,784 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,785 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,785 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,835 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,838 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:40,985 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 14:12:40,985 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:12:41,033 INFO L162 IcfgInterpreter]: Started Sifa with 162 locations of interest [2019-10-07 14:12:41,034 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:12:41,041 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:12:41,058 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:12:41,059 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:13:37,727 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 777 [2019-10-07 14:13:42,942 WARN L191 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 430 DAG size of output: 347 [2019-10-07 14:13:43,370 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:13:43,977 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:13:44,617 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:13:45,300 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:13:45,900 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:13:46,461 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:13:47,062 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:13:48,108 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1066 DAG size of output: 1064 [2019-10-07 14:13:48,625 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:13:49,240 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:13:49,751 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:13:50,263 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:13:50,372 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-10-07 14:13:50,872 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:13:50,894 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 400 for LOIs [2019-10-07 14:13:51,144 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 14:13:51,257 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 14:13:51,652 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 939 [2019-10-07 14:13:51,653 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1114 for LOIs [2019-10-07 14:13:52,222 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:13:52,707 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:13:52,841 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:53,709 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:54,218 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:13:54,698 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:13:54,837 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:55,737 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:56,784 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:13:57,371 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:13:57,507 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:58,375 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:59,233 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1114 [2019-10-07 14:13:59,709 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:13:59,994 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:00,930 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:01,424 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:01,907 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:02,037 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:03,417 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:03,894 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:04,378 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:04,506 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:05,342 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:05,823 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:06,319 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:06,447 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:07,269 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:07,748 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:08,222 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:08,349 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:09,163 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:09,684 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:10,169 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:10,304 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:11,120 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:11,599 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:12,085 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:12,214 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:13,037 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:13,513 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:13,990 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:14,128 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:14,959 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:15,446 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:15,924 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:16,054 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:16,871 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:17,347 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:17,834 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:14:17,963 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:18,783 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:19,935 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:20,746 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:20,954 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:21,773 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:23,261 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:14:24,088 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:24,230 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:25,066 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:25,880 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:26,696 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:26,824 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:27,637 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:28,502 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:14:29,319 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:14:29,458 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:14:30,282 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:14:31,791 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:14:32,614 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:14:32,761 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:14:33,587 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:14:35,057 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:14:35,896 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:14:36,028 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:14:36,851 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:14:37,690 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:14:38,543 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:14:38,704 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:14:39,522 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:14:40,347 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:14:41,176 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:14:41,326 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:14:42,152 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:14:43,008 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:14:43,843 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:14:43,991 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:14:44,811 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:14:45,647 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:14:46,481 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:14:46,778 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:14:47,710 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:14:48,556 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:14:49,384 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:14:49,516 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:14:50,341 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:14:51,861 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:14:52,676 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:52,833 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:53,655 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:55,138 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:14:55,964 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:56,099 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:56,919 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:57,727 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:58,547 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:14:58,680 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:14:59,509 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:00,989 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:15:01,817 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:15:01,953 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:15:02,782 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:04,263 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:15:05,088 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:05,228 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:15:06,062 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:07,520 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:15:08,335 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:15:08,466 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:15:09,300 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:10,782 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1290 [2019-10-07 14:15:11,598 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:15:11,735 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:15:12,547 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:13,939 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1292 [2019-10-07 14:15:14,766 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:14,906 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:15:15,735 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:15:17,250 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:15:18,073 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:18,215 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:15:19,039 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:20,525 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:15:21,342 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:21,477 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:15:22,297 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:23,124 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:23,949 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:24,083 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:15:24,890 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:26,395 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:15:27,219 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:27,357 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:15:28,166 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:29,668 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:15:30,497 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:30,632 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:15:31,455 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:32,282 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:33,117 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:33,248 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:15:34,067 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:35,587 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:15:36,420 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:36,558 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:15:37,382 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:38,885 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:15:39,713 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:39,865 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:15:40,687 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:42,196 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:15:43,027 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:43,163 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:15:43,981 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:45,483 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:15:46,326 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:46,460 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:15:47,285 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:48,109 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:48,941 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:49,070 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:15:49,907 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:15:50,768 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:51,590 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:51,726 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:15:52,551 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:54,059 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:15:54,897 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:15:55,033 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:15:55,863 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:15:57,372 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:15:58,200 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:15:58,337 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:15:59,178 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:00,732 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:16:01,571 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:16:01,707 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:02,546 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:04,071 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:16:04,898 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:05,061 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:16:05,895 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:07,416 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:16:08,245 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:08,383 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:16:09,214 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:10,048 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:10,891 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:11,026 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:16:11,863 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:13,432 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:16:14,280 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:14,421 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:15,278 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:16,813 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:16:17,651 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:17,789 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:18,625 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:20,134 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:16:20,985 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:21,126 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:21,960 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:23,378 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1292 [2019-10-07 14:16:24,226 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:24,364 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:25,192 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:26,897 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1294 [2019-10-07 14:16:27,736 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:16:27,880 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:28,713 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:16:29,581 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:16:30,430 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:16:30,573 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:31,430 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:16:32,270 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:16:33,115 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:16:33,252 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:34,100 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:16:35,603 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:16:36,430 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:36,568 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:16:37,389 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:38,901 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:16:39,721 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:39,855 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:16:40,690 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:41,515 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:42,340 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:42,468 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:16:43,287 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:16:44,142 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:44,971 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:45,113 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:45,941 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:46,779 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:47,602 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:47,737 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:48,563 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:49,390 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:50,217 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:50,348 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:51,180 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:52,661 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:16:53,485 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:16:53,621 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:54,443 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:55,838 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:16:56,662 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:16:56,798 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:16:57,627 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:16:59,147 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:16:59,960 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:17:00,102 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:17:00,927 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:17:02,416 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:17:03,238 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:17:03,373 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:17:04,195 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:17:04,202 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1140 for LOIs [2019-10-07 14:17:04,728 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:17:05,260 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:17:05,391 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:17:06,209 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:17:06,798 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:17:07,341 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:17:07,470 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:17:08,287 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:17:09,238 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1150 [2019-10-07 14:17:09,791 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:17:09,924 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:17:10,742 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:17:11,300 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:17:11,853 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:17:11,980 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:17:12,800 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:17:13,350 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:17:13,900 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:17:14,029 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:17:14,854 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:17:15,407 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:17:15,951 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:17:16,079 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:17:16,900 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:17:17,190 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:17:17,191 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 14:17:17,196 INFO L168 Benchmark]: Toolchain (without parser) took 320999.46 ms. Allocated memory was 139.5 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 99.8 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 227.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:17:17,196 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:17:17,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1074.17 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 99.6 MB in the beginning and 144.7 MB in the end (delta: -45.1 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:17:17,197 INFO L168 Benchmark]: Boogie Preprocessor took 212.99 ms. Allocated memory is still 205.5 MB. Free memory was 144.7 MB in the beginning and 134.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:17:17,197 INFO L168 Benchmark]: RCFGBuilder took 5200.74 ms. Allocated memory was 205.5 MB in the beginning and 302.5 MB in the end (delta: 97.0 MB). Free memory was 134.9 MB in the beginning and 195.1 MB in the end (delta: -60.2 MB). Peak memory consumption was 154.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:17:17,198 INFO L168 Benchmark]: TraceAbstraction took 314507.12 ms. Allocated memory was 302.5 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 195.1 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 159.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:17:17,199 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1074.17 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 99.6 MB in the beginning and 144.7 MB in the end (delta: -45.1 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 212.99 ms. Allocated memory is still 205.5 MB. Free memory was 144.7 MB in the beginning and 134.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5200.74 ms. Allocated memory was 205.5 MB in the beginning and 302.5 MB in the end (delta: 97.0 MB). Free memory was 134.9 MB in the beginning and 195.1 MB in the end (delta: -60.2 MB). Peak memory consumption was 154.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 314507.12 ms. Allocated memory was 302.5 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 195.1 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 159.3 MB. 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...