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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:05:38,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:05:38,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:05:38,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:05:38,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:05:38,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:05:38,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:05:38,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:05:38,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:05:38,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:05:38,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:05:38,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:05:38,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:05:38,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:05:38,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:05:38,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:05:38,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:05:38,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:05:38,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:05:38,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:05:38,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:05:38,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:05:38,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:05:38,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:05:38,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:05:38,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:05:38,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:05:38,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:05:38,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:05:38,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:05:38,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:05:38,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:05:38,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:05:38,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:05:38,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:05:38,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:05:38,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:05:38,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:05:38,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:05:38,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:05:38,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:05:38,263 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 14:05:38,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:05:38,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:05:38,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:05:38,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:05:38,279 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:05:38,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:05:38,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:05:38,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:05:38,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:05:38,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:05:38,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:05:38,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:05:38,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:05:38,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:05:38,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:05:38,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:05:38,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:05:38,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:05:38,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:05:38,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:05:38,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:05:38,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:05:38,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:05:38,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:05:38,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:05:38,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:05:38,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:05:38,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:05:38,285 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 14:05:38,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:05:38,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:05:38,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:05:38,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:05:38,576 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:05:38,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product17.cil.c [2019-10-07 14:05:38,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/341a5e5f6/f04689cd992b414f87a00d0a64bb6db3/FLAG03e094d65 [2019-10-07 14:05:39,250 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:05:39,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product17.cil.c [2019-10-07 14:05:39,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/341a5e5f6/f04689cd992b414f87a00d0a64bb6db3/FLAG03e094d65 [2019-10-07 14:05:39,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/341a5e5f6/f04689cd992b414f87a00d0a64bb6db3 [2019-10-07 14:05:39,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:05:39,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:05:39,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:05:39,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:05:39,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:05:39,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:05:39" (1/1) ... [2019-10-07 14:05:39,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c5b7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:39, skipping insertion in model container [2019-10-07 14:05:39,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:05:39" (1/1) ... [2019-10-07 14:05:39,494 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:05:39,563 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:05:40,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:05:40,244 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:05:40,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:05:40,438 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:05:40,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:40 WrapperNode [2019-10-07 14:05:40,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:05:40,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:05:40,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:05:40,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:05:40,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:40" (1/1) ... [2019-10-07 14:05:40,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:40" (1/1) ... [2019-10-07 14:05:40,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:40" (1/1) ... [2019-10-07 14:05:40,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:40" (1/1) ... [2019-10-07 14:05:40,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:40" (1/1) ... [2019-10-07 14:05:40,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:40" (1/1) ... [2019-10-07 14:05:40,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:40" (1/1) ... [2019-10-07 14:05:40,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:05:40,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:05:40,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:05:40,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:05:40,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:40" (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 14:05:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:05:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:05:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:05:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:05:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:05:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:05:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:05:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:05:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:05:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:05:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:05:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:05:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:05:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:05:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:05:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:05:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:05:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:05:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:05:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:05:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:05:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:05:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:05:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:05:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:05:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:05:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:05:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:05:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:05:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:05:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:05:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:05:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:05:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:05:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:05:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:05:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:05:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:05:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:05:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:05:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:05:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:05:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:05:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:05:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:05:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:05:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:05:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:05:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:05:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:05:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:05:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:05:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:05:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:05:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:05:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:05:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:05:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:05:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:05:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:05:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:05:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:05:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:05:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:05:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:05:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:05:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:05:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:05:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:05:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:05:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:05:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:05:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:05:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:05:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:05:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:05:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:05:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:05:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:05:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:05:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:05:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:05:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:05:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:05:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:05:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:05:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:05:40,739 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:05:40,743 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:05:40,743 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:05:40,743 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:05:40,743 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:05:40,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:05:40,744 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:05:40,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:05:40,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:05:40,745 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:05:40,745 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:05:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:05:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:05:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:05:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:05:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:05:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:05:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:05:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:05:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:05:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:05:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:05:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:05:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:05:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:05:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:05:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:05:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:05:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:05:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:05:45,240 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:05:45,240 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:05:45,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:05:45 BoogieIcfgContainer [2019-10-07 14:05:45,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:05:45,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:05:45,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:05:45,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:05:45,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:05:39" (1/3) ... [2019-10-07 14:05:45,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f45ae58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:05:45, skipping insertion in model container [2019-10-07 14:05:45,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:40" (2/3) ... [2019-10-07 14:05:45,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f45ae58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:05:45, skipping insertion in model container [2019-10-07 14:05:45,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:05:45" (3/3) ... [2019-10-07 14:05:45,251 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product17.cil.c [2019-10-07 14:05:45,260 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:05:45,272 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:05:45,283 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:05:45,326 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:05:45,326 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:05:45,326 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:05:45,327 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:05:45,327 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:05:45,327 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:05:45,327 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:05:45,327 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:05:45,357 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states. [2019-10-07 14:05:45,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-07 14:05:45,380 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:45,382 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:05:45,384 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:45,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:45,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1486167384, now seen corresponding path program 1 times [2019-10-07 14:05:45,401 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:45,401 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:45,402 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:45,402 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:45,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:46,192 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 14:05:46,193 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:46,194 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:05:46,194 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:05:46,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:05:46,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:05:46,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:05:46,223 INFO L87 Difference]: Start difference. First operand 543 states. Second operand 8 states. [2019-10-07 14:05:46,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:05:46,428 INFO L93 Difference]: Finished difference Result 839 states and 1298 transitions. [2019-10-07 14:05:46,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:05:46,430 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 115 [2019-10-07 14:05:46,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:05:46,451 INFO L225 Difference]: With dead ends: 839 [2019-10-07 14:05:46,452 INFO L226 Difference]: Without dead ends: 457 [2019-10-07 14:05:46,461 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:05:46,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2019-10-07 14:05:46,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 422. [2019-10-07 14:05:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-10-07 14:05:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 630 transitions. [2019-10-07 14:05:46,561 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 630 transitions. Word has length 115 [2019-10-07 14:05:46,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:05:46,562 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 630 transitions. [2019-10-07 14:05:46,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:05:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 630 transitions. [2019-10-07 14:05:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-07 14:05:46,571 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:46,571 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, 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 14:05:46,571 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:46,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:46,572 INFO L82 PathProgramCache]: Analyzing trace with hash -890542085, now seen corresponding path program 1 times [2019-10-07 14:05:46,572 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:46,572 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:46,572 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:46,573 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:46,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:46,991 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 14:05:46,992 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:46,992 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:05:46,992 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:05:46,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:05:46,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:05:46,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:05:46,995 INFO L87 Difference]: Start difference. First operand 422 states and 630 transitions. Second operand 7 states. [2019-10-07 14:05:50,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:05:50,453 INFO L93 Difference]: Finished difference Result 1275 states and 1973 transitions. [2019-10-07 14:05:50,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-07 14:05:50,454 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2019-10-07 14:05:50,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:05:50,473 INFO L225 Difference]: With dead ends: 1275 [2019-10-07 14:05:50,473 INFO L226 Difference]: Without dead ends: 906 [2019-10-07 14:05:50,476 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2019-10-07 14:05:50,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2019-10-07 14:05:50,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 879. [2019-10-07 14:05:50,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2019-10-07 14:05:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1362 transitions. [2019-10-07 14:05:50,594 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1362 transitions. Word has length 120 [2019-10-07 14:05:50,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:05:50,596 INFO L462 AbstractCegarLoop]: Abstraction has 879 states and 1362 transitions. [2019-10-07 14:05:50,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:05:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1362 transitions. [2019-10-07 14:05:50,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-07 14:05:50,615 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:50,615 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, 1, 1, 1, 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 14:05:50,616 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:50,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:50,616 INFO L82 PathProgramCache]: Analyzing trace with hash -2120130814, now seen corresponding path program 1 times [2019-10-07 14:05:50,616 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:50,617 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:50,617 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:50,617 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:50,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:50,818 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 14:05:50,818 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:50,819 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:05:50,819 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 14:05:50,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 14:05:50,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 14:05:50,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:05:50,820 INFO L87 Difference]: Start difference. First operand 879 states and 1362 transitions. Second operand 5 states. [2019-10-07 14:05:50,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:05:50,895 INFO L93 Difference]: Finished difference Result 1385 states and 2161 transitions. [2019-10-07 14:05:50,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:05:50,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2019-10-07 14:05:50,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:05:50,903 INFO L225 Difference]: With dead ends: 1385 [2019-10-07 14:05:50,904 INFO L226 Difference]: Without dead ends: 901 [2019-10-07 14:05:50,906 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:05:50,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2019-10-07 14:05:50,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 891. [2019-10-07 14:05:50,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2019-10-07 14:05:50,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1377 transitions. [2019-10-07 14:05:50,955 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1377 transitions. Word has length 124 [2019-10-07 14:05:50,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:05:50,956 INFO L462 AbstractCegarLoop]: Abstraction has 891 states and 1377 transitions. [2019-10-07 14:05:50,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 14:05:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1377 transitions. [2019-10-07 14:05:50,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-07 14:05:50,959 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:50,960 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, 1, 1, 1, 1, 1, 1, 1, 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 14:05:50,960 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:50,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:50,960 INFO L82 PathProgramCache]: Analyzing trace with hash 678689370, now seen corresponding path program 1 times [2019-10-07 14:05:50,960 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:50,961 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:50,961 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:50,961 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:50,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:51,218 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 14:05:51,219 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:51,219 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:05:51,219 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:05:51,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:05:51,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:05:51,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:05:51,221 INFO L87 Difference]: Start difference. First operand 891 states and 1377 transitions. Second operand 8 states. [2019-10-07 14:05:54,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:05:54,345 INFO L93 Difference]: Finished difference Result 1876 states and 2908 transitions. [2019-10-07 14:05:54,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:05:54,346 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2019-10-07 14:05:54,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:05:54,360 INFO L225 Difference]: With dead ends: 1876 [2019-10-07 14:05:54,360 INFO L226 Difference]: Without dead ends: 1284 [2019-10-07 14:05:54,367 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:05:54,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2019-10-07 14:05:54,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1234. [2019-10-07 14:05:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1234 states. [2019-10-07 14:05:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1867 transitions. [2019-10-07 14:05:54,465 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1867 transitions. Word has length 128 [2019-10-07 14:05:54,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:05:54,466 INFO L462 AbstractCegarLoop]: Abstraction has 1234 states and 1867 transitions. [2019-10-07 14:05:54,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:05:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1867 transitions. [2019-10-07 14:05:54,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-07 14:05:54,472 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:54,472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:54,473 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:54,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:54,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1304617669, now seen corresponding path program 1 times [2019-10-07 14:05:54,474 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:54,474 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:54,474 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:54,475 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:54,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:54,774 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 14:05:54,774 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:54,775 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:05:54,775 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:05:54,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:05:54,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:05:54,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:05:54,777 INFO L87 Difference]: Start difference. First operand 1234 states and 1867 transitions. Second operand 7 states. [2019-10-07 14:05:55,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:05:55,036 INFO L93 Difference]: Finished difference Result 2313 states and 3586 transitions. [2019-10-07 14:05:55,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 14:05:55,037 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2019-10-07 14:05:55,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:05:55,050 INFO L225 Difference]: With dead ends: 2313 [2019-10-07 14:05:55,050 INFO L226 Difference]: Without dead ends: 1234 [2019-10-07 14:05:55,055 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:05:55,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2019-10-07 14:05:55,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1234. [2019-10-07 14:05:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1234 states. [2019-10-07 14:05:55,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1835 transitions. [2019-10-07 14:05:55,120 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1835 transitions. Word has length 131 [2019-10-07 14:05:55,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:05:55,121 INFO L462 AbstractCegarLoop]: Abstraction has 1234 states and 1835 transitions. [2019-10-07 14:05:55,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:05:55,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1835 transitions. [2019-10-07 14:05:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 14:05:55,125 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:55,125 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 14:05:55,125 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:55,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:55,126 INFO L82 PathProgramCache]: Analyzing trace with hash -2145055282, now seen corresponding path program 1 times [2019-10-07 14:05:55,126 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:55,126 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:55,127 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:55,127 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:05:55,330 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:55,330 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:05:55,330 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:05:55,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:05:55,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:05:55,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:05:55,332 INFO L87 Difference]: Start difference. First operand 1234 states and 1835 transitions. Second operand 7 states. [2019-10-07 14:05:58,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:05:58,173 INFO L93 Difference]: Finished difference Result 2182 states and 3256 transitions. [2019-10-07 14:05:58,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:05:58,174 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2019-10-07 14:05:58,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:05:58,184 INFO L225 Difference]: With dead ends: 2182 [2019-10-07 14:05:58,184 INFO L226 Difference]: Without dead ends: 1304 [2019-10-07 14:05:58,191 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:05:58,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2019-10-07 14:05:58,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1261. [2019-10-07 14:05:58,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1261 states. [2019-10-07 14:05:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1869 transitions. [2019-10-07 14:05:58,275 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1869 transitions. Word has length 133 [2019-10-07 14:05:58,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:05:58,277 INFO L462 AbstractCegarLoop]: Abstraction has 1261 states and 1869 transitions. [2019-10-07 14:05:58,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:05:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1869 transitions. [2019-10-07 14:05:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 14:05:58,280 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:58,280 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:05:58,281 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:58,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:58,281 INFO L82 PathProgramCache]: Analyzing trace with hash -120399570, now seen corresponding path program 1 times [2019-10-07 14:05:58,281 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:58,282 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:58,282 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:58,282 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:58,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:59,015 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 14:05:59,016 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:59,016 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:05:59,016 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2019-10-07 14:05:59,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-10-07 14:05:59,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-10-07 14:05:59,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=552, Unknown=0, NotChecked=0, Total=650 [2019-10-07 14:05:59,018 INFO L87 Difference]: Start difference. First operand 1261 states and 1869 transitions. Second operand 26 states. [2019-10-07 14:06:25,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:06:25,078 INFO L93 Difference]: Finished difference Result 5235 states and 8088 transitions. [2019-10-07 14:06:25,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2019-10-07 14:06:25,079 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 140 [2019-10-07 14:06:25,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:06:25,112 INFO L225 Difference]: With dead ends: 5235 [2019-10-07 14:06:25,113 INFO L226 Difference]: Without dead ends: 4029 [2019-10-07 14:06:25,122 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2871 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1734, Invalid=7008, Unknown=0, NotChecked=0, Total=8742 [2019-10-07 14:06:25,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4029 states. [2019-10-07 14:06:25,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4029 to 3521. [2019-10-07 14:06:25,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3521 states. [2019-10-07 14:06:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 3521 states and 5393 transitions. [2019-10-07 14:06:25,367 INFO L78 Accepts]: Start accepts. Automaton has 3521 states and 5393 transitions. Word has length 140 [2019-10-07 14:06:25,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:06:25,368 INFO L462 AbstractCegarLoop]: Abstraction has 3521 states and 5393 transitions. [2019-10-07 14:06:25,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-10-07 14:06:25,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3521 states and 5393 transitions. [2019-10-07 14:06:25,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-07 14:06:25,372 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:25,372 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:06:25,373 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:25,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:25,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1973958638, now seen corresponding path program 1 times [2019-10-07 14:06:25,374 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:25,374 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:25,374 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:25,374 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:25,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:06:25,649 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:25,650 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:06:25,650 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:06:25,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:06:25,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:06:25,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:06:25,653 INFO L87 Difference]: Start difference. First operand 3521 states and 5393 transitions. Second operand 6 states. [2019-10-07 14:06:26,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:06:26,298 INFO L93 Difference]: Finished difference Result 3612 states and 5545 transitions. [2019-10-07 14:06:26,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:06:26,300 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2019-10-07 14:06:26,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:06:26,326 INFO L225 Difference]: With dead ends: 3612 [2019-10-07 14:06:26,326 INFO L226 Difference]: Without dead ends: 3589 [2019-10-07 14:06:26,328 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 14:06:26,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3589 states. [2019-10-07 14:06:26,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3589 to 3533. [2019-10-07 14:06:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3533 states. [2019-10-07 14:06:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3533 states and 5405 transitions. [2019-10-07 14:06:26,535 INFO L78 Accepts]: Start accepts. Automaton has 3533 states and 5405 transitions. Word has length 138 [2019-10-07 14:06:26,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:06:26,536 INFO L462 AbstractCegarLoop]: Abstraction has 3533 states and 5405 transitions. [2019-10-07 14:06:26,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:06:26,536 INFO L276 IsEmpty]: Start isEmpty. Operand 3533 states and 5405 transitions. [2019-10-07 14:06:26,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 14:06:26,541 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:26,541 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 14:06:26,541 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:26,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:26,542 INFO L82 PathProgramCache]: Analyzing trace with hash -382560503, now seen corresponding path program 1 times [2019-10-07 14:06:26,542 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:26,542 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:26,542 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:26,543 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:26,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:26,756 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:06:26,756 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:26,756 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:06:26,757 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:06:26,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:06:26,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:06:26,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:06:26,758 INFO L87 Difference]: Start difference. First operand 3533 states and 5405 transitions. Second operand 8 states. [2019-10-07 14:06:26,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:06:26,891 INFO L93 Difference]: Finished difference Result 3568 states and 5449 transitions. [2019-10-07 14:06:26,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 14:06:26,895 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2019-10-07 14:06:26,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:06:26,920 INFO L225 Difference]: With dead ends: 3568 [2019-10-07 14:06:26,920 INFO L226 Difference]: Without dead ends: 3545 [2019-10-07 14:06:26,924 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:06:26,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3545 states. [2019-10-07 14:06:27,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3545 to 3533. [2019-10-07 14:06:27,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3533 states. [2019-10-07 14:06:27,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3533 states and 5391 transitions. [2019-10-07 14:06:27,157 INFO L78 Accepts]: Start accepts. Automaton has 3533 states and 5391 transitions. Word has length 146 [2019-10-07 14:06:27,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:06:27,157 INFO L462 AbstractCegarLoop]: Abstraction has 3533 states and 5391 transitions. [2019-10-07 14:06:27,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:06:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 3533 states and 5391 transitions. [2019-10-07 14:06:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-07 14:06:27,165 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:27,165 INFO L385 BasicCegarLoop]: trace histogram [3, 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] [2019-10-07 14:06:27,165 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:27,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:27,166 INFO L82 PathProgramCache]: Analyzing trace with hash 790047457, now seen corresponding path program 1 times [2019-10-07 14:06:27,166 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:27,166 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:27,167 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:27,167 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:27,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:27,484 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:06:27,485 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:27,485 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:06:27,485 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 14:06:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:28,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 3274 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-07 14:06:28,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:06:28,253 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:06:28,340 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:06:28,717 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:06:29,031 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 14:06:29,031 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [13] total 18 [2019-10-07 14:06:29,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:06:29,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:06:29,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2019-10-07 14:06:29,032 INFO L87 Difference]: Start difference. First operand 3533 states and 5391 transitions. Second operand 7 states. [2019-10-07 14:06:29,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:06:29,204 INFO L93 Difference]: Finished difference Result 3664 states and 5561 transitions. [2019-10-07 14:06:29,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:06:29,205 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2019-10-07 14:06:29,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:06:29,226 INFO L225 Difference]: With dead ends: 3664 [2019-10-07 14:06:29,227 INFO L226 Difference]: Without dead ends: 3641 [2019-10-07 14:06:29,230 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 317 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2019-10-07 14:06:29,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3641 states. [2019-10-07 14:06:29,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3641 to 3601. [2019-10-07 14:06:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3601 states. [2019-10-07 14:06:29,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 3601 states and 5463 transitions. [2019-10-07 14:06:29,465 INFO L78 Accepts]: Start accepts. Automaton has 3601 states and 5463 transitions. Word has length 158 [2019-10-07 14:06:29,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:06:29,467 INFO L462 AbstractCegarLoop]: Abstraction has 3601 states and 5463 transitions. [2019-10-07 14:06:29,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:06:29,467 INFO L276 IsEmpty]: Start isEmpty. Operand 3601 states and 5463 transitions. [2019-10-07 14:06:29,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-07 14:06:29,473 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:29,474 INFO L385 BasicCegarLoop]: trace histogram [6, 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] [2019-10-07 14:06:29,682 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:06:29,682 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:29,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:29,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1664025808, now seen corresponding path program 1 times [2019-10-07 14:06:29,683 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:29,684 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:29,684 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:29,684 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:29,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-07 14:06:30,508 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:30,508 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:06:30,508 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 14:06:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:31,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 3363 conjuncts, 23 conjunts are in the unsatisfiable core [2019-10-07 14:06:31,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:06:31,203 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-07 14:06:31,245 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:06:31,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:31,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:31,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:32,054 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-07 14:06:32,055 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 14:06:32,055 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [31, 7] total 39 [2019-10-07 14:06:32,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:06:32,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:06:32,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1341, Unknown=0, NotChecked=0, Total=1482 [2019-10-07 14:06:32,057 INFO L87 Difference]: Start difference. First operand 3601 states and 5463 transitions. Second operand 6 states. [2019-10-07 14:06:32,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:06:32,788 INFO L93 Difference]: Finished difference Result 6425 states and 9823 transitions. [2019-10-07 14:06:32,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 14:06:32,789 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2019-10-07 14:06:32,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:06:32,830 INFO L225 Difference]: With dead ends: 6425 [2019-10-07 14:06:32,831 INFO L226 Difference]: Without dead ends: 3909 [2019-10-07 14:06:32,845 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 377 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=174, Invalid=1548, Unknown=0, NotChecked=0, Total=1722 [2019-10-07 14:06:32,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3909 states. [2019-10-07 14:06:33,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3909 to 3829. [2019-10-07 14:06:33,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3829 states. [2019-10-07 14:06:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 5773 transitions. [2019-10-07 14:06:33,068 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 5773 transitions. Word has length 184 [2019-10-07 14:06:33,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:06:33,069 INFO L462 AbstractCegarLoop]: Abstraction has 3829 states and 5773 transitions. [2019-10-07 14:06:33,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:06:33,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 5773 transitions. [2019-10-07 14:06:33,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-07 14:06:33,081 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:33,081 INFO L385 BasicCegarLoop]: trace histogram [7, 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] [2019-10-07 14:06:33,290 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:06:33,290 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:33,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:33,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1754493760, now seen corresponding path program 1 times [2019-10-07 14:06:33,291 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:33,292 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:33,292 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:33,292 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:33,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-07 14:06:33,580 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:33,580 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:06:33,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:06:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:34,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 3338 conjuncts, 66 conjunts are in the unsatisfiable core [2019-10-07 14:06:34,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:06:34,906 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-10-07 14:06:35,135 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 11 [2019-10-07 14:06:35,343 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2019-10-07 14:06:35,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:35,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:35,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:35,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:35,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:35,795 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2019-10-07 14:06:35,956 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 14:06:35,956 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:06:36,401 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:06:36,923 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:37,490 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:37,965 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:06:38,500 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:38,891 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-10-07 14:06:39,098 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:39,477 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:39,825 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:40,270 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:40,714 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:06:41,219 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:41,727 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:42,100 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-10-07 14:06:42,291 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:42,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,331 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,332 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,739 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:06:42,848 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-10-07 14:06:43,408 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:06:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-07 14:06:43,549 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:06:43,585 INFO L162 IcfgInterpreter]: Started Sifa with 156 locations of interest [2019-10-07 14:06:43,586 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:06:43,591 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:06:43,598 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:06:43,598 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:07:18,919 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 762 [2019-10-07 14:07:23,364 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 405 DAG size of output: 327 [2019-10-07 14:07:23,824 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 848 [2019-10-07 14:07:24,228 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 848 [2019-10-07 14:07:24,560 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 848 [2019-10-07 14:07:25,186 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1036 [2019-10-07 14:07:25,734 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 1036 [2019-10-07 14:07:26,190 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 1036 [2019-10-07 14:07:26,771 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 1036 [2019-10-07 14:07:27,693 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 1036 [2019-10-07 14:07:28,200 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 1036 [2019-10-07 14:07:28,716 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 1036 [2019-10-07 14:07:29,238 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 1036 [2019-10-07 14:07:29,691 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 1036 [2019-10-07 14:07:30,197 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 1036 [2019-10-07 14:07:30,216 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 388 for LOIs [2019-10-07 14:07:30,509 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 731 [2019-10-07 14:07:30,625 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 731 [2019-10-07 14:07:31,336 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 919 [2019-10-07 14:07:31,337 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1084 for LOIs [2019-10-07 14:07:31,775 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:32,212 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:32,339 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:33,159 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:33,607 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:34,049 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:34,171 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:34,994 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:35,475 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:35,916 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:36,039 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:36,847 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:37,692 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 1258 DAG size of output: 1084 [2019-10-07 14:07:38,230 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:38,437 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:39,202 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:39,662 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:40,169 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:40,348 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:41,105 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:41,548 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:42,007 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:42,132 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:42,948 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:43,408 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:43,851 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:43,971 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:45,300 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:45,743 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:46,187 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:46,307 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:47,071 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:47,519 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:47,966 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:48,088 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:48,848 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:49,288 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:49,739 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:49,861 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:50,618 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:51,060 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:51,504 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:51,637 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:52,411 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:52,858 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:53,303 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:53,423 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:54,195 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:54,640 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:55,082 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:07:55,202 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:55,958 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:56,915 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:57,675 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:07:57,822 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:07:58,588 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:00,791 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:08:01,553 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:01,681 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:08:02,437 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:03,213 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:03,981 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:04,100 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:08:04,859 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:06,460 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:08:07,450 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:08:07,575 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:08,338 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:09,744 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:08:10,511 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:10,641 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:11,403 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:12,693 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1258 [2019-10-07 14:08:13,459 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:08:13,582 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:14,359 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:15,167 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:08:15,936 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:08:16,071 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:16,842 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:08:17,617 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:18,393 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:18,518 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:19,294 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:20,092 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:20,872 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:20,996 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:21,767 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:23,157 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1267 [2019-10-07 14:08:23,933 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:24,210 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:25,137 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:25,908 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:26,683 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:26,805 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:27,577 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:28,969 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:08:29,737 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:29,918 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:08:30,675 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:32,047 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:08:32,807 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:32,932 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:08:33,691 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:34,455 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:35,211 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:35,332 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:08:36,093 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:37,416 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1258 [2019-10-07 14:08:38,181 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:08:38,316 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:39,083 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:40,398 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1258 [2019-10-07 14:08:41,158 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:08:41,287 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:42,054 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:42,816 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:08:43,592 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:08:43,714 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:44,478 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:45,865 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1267 DAG size of output: 1265 [2019-10-07 14:08:46,631 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:08:46,759 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:47,528 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:08:48,905 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1267 [2019-10-07 14:08:49,673 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:49,808 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:08:50,581 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1267 [2019-10-07 14:08:51,970 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:08:52,733 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:52,858 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:08:53,620 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:54,994 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:08:55,755 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:55,887 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:08:56,647 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:57,406 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:58,172 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:08:58,291 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:08:59,055 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:00,642 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:09:01,408 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:01,534 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:09:02,293 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:03,649 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:09:04,414 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:04,540 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:09:05,310 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:06,070 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:06,830 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:06,950 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:09:07,712 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:09,095 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:09:09,861 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:09,989 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:09:10,761 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:12,132 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:09:12,902 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:13,041 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:09:13,808 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:15,177 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:09:15,948 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:16,077 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:09:16,845 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:18,130 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1267 DAG size of output: 1258 [2019-10-07 14:09:18,890 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:09:19,018 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:09:19,781 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:21,073 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1260 [2019-10-07 14:09:21,841 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:21,967 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:09:22,735 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:09:24,040 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1260 [2019-10-07 14:09:24,809 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:24,935 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:09:25,713 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:09:27,007 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1264 DAG size of output: 1260 [2019-10-07 14:09:27,776 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:27,917 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:09:28,684 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:09:30,066 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:09:30,833 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:30,959 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:09:31,727 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:33,124 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:09:33,885 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:34,022 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:09:34,783 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:36,174 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:09:36,942 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:37,066 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:09:37,832 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:39,200 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:09:39,958 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:40,086 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:09:40,841 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:41,609 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:42,378 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:42,500 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:09:43,259 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:09:44,568 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1258 [2019-10-07 14:09:45,620 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:09:45,746 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:09:46,517 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:47,900 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:09:48,668 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:48,794 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:09:49,559 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:50,849 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1258 [2019-10-07 14:09:51,648 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:09:51,770 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:09:52,533 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:53,816 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1258 [2019-10-07 14:09:54,580 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:09:54,706 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:09:55,474 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:56,766 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1264 DAG size of output: 1260 [2019-10-07 14:09:57,544 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:57,671 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:09:58,441 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:09:59,987 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:10:00,754 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:00,878 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:10:01,649 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:02,992 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:10:03,745 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:03,879 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:10:04,632 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:05,382 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:06,133 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:06,253 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:10:07,011 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:08,320 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1258 [2019-10-07 14:10:09,077 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:10:09,209 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:10:09,968 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:10,746 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:11,506 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:11,632 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:10:12,395 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:13,751 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:10:14,497 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:14,637 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:10:15,388 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:16,727 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:10:17,487 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:17,613 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:10:18,370 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:19,121 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:19,876 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:19,994 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:10:20,751 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:21,540 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:22,305 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:22,430 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:10:23,191 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:24,561 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:25,320 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:25,445 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:10:26,203 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:27,557 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:28,318 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:28,438 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:10:29,191 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:30,476 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1267 DAG size of output: 1260 [2019-10-07 14:10:31,241 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:31,367 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-07 14:10:32,119 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:32,126 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1112 for LOIs [2019-10-07 14:10:32,608 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:10:33,091 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:10:33,211 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:10:33,960 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:34,495 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:10:34,995 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:10:35,115 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:10:35,865 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:36,738 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 1258 DAG size of output: 1122 [2019-10-07 14:10:37,260 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:10:37,390 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:10:38,144 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:38,657 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:10:39,159 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:10:39,281 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:10:40,036 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:40,532 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:10:41,030 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:10:41,149 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:10:41,915 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:42,426 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:10:42,936 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:10:43,056 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-10-07 14:10:43,817 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:10:44,079 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:10:44,081 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 14:10:44,088 INFO L168 Benchmark]: Toolchain (without parser) took 304610.09 ms. Allocated memory was 144.7 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 98.3 MB in the beginning and 203.8 MB in the end (delta: -105.5 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-10-07 14:10:44,088 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:10:44,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 959.68 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 97.9 MB in the beginning and 143.8 MB in the end (delta: -45.9 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:10:44,089 INFO L168 Benchmark]: Boogie Preprocessor took 162.81 ms. Allocated memory is still 202.9 MB. Free memory was 143.8 MB in the beginning and 134.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:10:44,089 INFO L168 Benchmark]: RCFGBuilder took 4639.44 ms. Allocated memory was 202.9 MB in the beginning and 305.1 MB in the end (delta: 102.2 MB). Free memory was 134.5 MB in the beginning and 245.0 MB in the end (delta: -110.5 MB). Peak memory consumption was 161.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:10:44,089 INFO L168 Benchmark]: TraceAbstraction took 298843.20 ms. Allocated memory was 305.1 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 245.0 MB in the beginning and 203.8 MB in the end (delta: 41.2 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-10-07 14:10:44,091 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 959.68 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 97.9 MB in the beginning and 143.8 MB in the end (delta: -45.9 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 162.81 ms. Allocated memory is still 202.9 MB. Free memory was 143.8 MB in the beginning and 134.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4639.44 ms. Allocated memory was 202.9 MB in the beginning and 305.1 MB in the end (delta: 102.2 MB). Free memory was 134.5 MB in the beginning and 245.0 MB in the end (delta: -110.5 MB). Peak memory consumption was 161.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 298843.20 ms. Allocated memory was 305.1 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 245.0 MB in the beginning and 203.8 MB in the end (delta: 41.2 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...