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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:09:24,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:09:24,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:09:24,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:09:24,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:09:24,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:09:24,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:09:24,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:09:24,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:09:24,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:09:24,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:09:24,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:09:24,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:09:24,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:09:24,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:09:24,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:09:24,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:09:24,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:09:24,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:09:24,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:09:24,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:09:24,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:09:24,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:09:24,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:09:24,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:09:24,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:09:24,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:09:24,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:09:24,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:09:24,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:09:24,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:09:24,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:09:24,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:09:24,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:09:24,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:09:24,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:09:24,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:09:24,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:09:24,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:09:24,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:09:24,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:09:24,168 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 14:09:24,185 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:09:24,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:09:24,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:09:24,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:09:24,187 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:09:24,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:09:24,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:09:24,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:09:24,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:09:24,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:09:24,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:09:24,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:09:24,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:09:24,189 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:09:24,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:09:24,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:09:24,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:09:24,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:09:24,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:09:24,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:09:24,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:09:24,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:09:24,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:09:24,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:09:24,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:09:24,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:09:24,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:09:24,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:09:24,192 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 14:09:24,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:09:24,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:09:24,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:09:24,552 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:09:24,552 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:09:24,553 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product27.cil.c [2019-10-07 14:09:24,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1855b12b2/388c21b8d05e4b4093174b2e8fa79cb0/FLAG433f5dcea [2019-10-07 14:09:25,303 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:09:25,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product27.cil.c [2019-10-07 14:09:25,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1855b12b2/388c21b8d05e4b4093174b2e8fa79cb0/FLAG433f5dcea [2019-10-07 14:09:25,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1855b12b2/388c21b8d05e4b4093174b2e8fa79cb0 [2019-10-07 14:09:25,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:09:25,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:09:25,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:09:25,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:09:25,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:09:25,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:09:25" (1/1) ... [2019-10-07 14:09:25,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9fb768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:09:25, skipping insertion in model container [2019-10-07 14:09:25,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:09:25" (1/1) ... [2019-10-07 14:09:25,476 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:09:25,551 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:09:26,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:09:26,333 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:09:26,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:09:26,555 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:09:26,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:09:26 WrapperNode [2019-10-07 14:09:26,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:09:26,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:09:26,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:09:26,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:09:26,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:09:26" (1/1) ... [2019-10-07 14:09:26,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:09:26" (1/1) ... [2019-10-07 14:09:26,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:09:26" (1/1) ... [2019-10-07 14:09:26,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:09:26" (1/1) ... [2019-10-07 14:09:26,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:09:26" (1/1) ... [2019-10-07 14:09:26,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:09:26" (1/1) ... [2019-10-07 14:09:26,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:09:26" (1/1) ... [2019-10-07 14:09:26,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:09:26,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:09:26,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:09:26,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:09:26,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:09:26" (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 14:09:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:09:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:09:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:09:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:09:26,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:09:26,877 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:09:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:09:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:09:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:09:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:09:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:09:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:09:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:09:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:09:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:09:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:09:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:09:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:09:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:09:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:09:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:09:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:09:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:09:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:09:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:09:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:09:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:09:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:09:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:09:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:09:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:09:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:09:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:09:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:09:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:09:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:09:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:09:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:09:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:09:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:09:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:09:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:09:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:09:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:09:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:09:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:09:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:09:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:09:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:09:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:09:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:09:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:09:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:09:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:09:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:09:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-07 14:09:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:09:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:09:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:09:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:09:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:09:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:09:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:09:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:09:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:09:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:09:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:09:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:09:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:09:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:09:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:09:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:09:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:09:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:09:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:09:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:09:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:09:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-07 14:09:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-07 14:09:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:09:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:09:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:09:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:09:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:09:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:09:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:09:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:09:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:09:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:09:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:09:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:09:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:09:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:09:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:09:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:09:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:09:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:09:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:09:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:09:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:09:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:09:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:09:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:09:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:09:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:09:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:09:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:09:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:09:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:09:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:09:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:09:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:09:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:09:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:09:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:09:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:09:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:09:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:09:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:09:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:09:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:09:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:09:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:09:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:09:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:09:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:09:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:09:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:09:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:09:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:09:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:09:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:09:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:09:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:09:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:09:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:09:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:09:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:09:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:09:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:09:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:09:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:09:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:09:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:09:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:09:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:09:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:09:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:09:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:09:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:09:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:09:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:09:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-07 14:09:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-07 14:09:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:09:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:09:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-07 14:09:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:09:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:09:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:09:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:09:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:09:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:09:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:09:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:09:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:09:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:09:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:09:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:09:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:09:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:09:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:09:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:09:32,673 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:09:32,673 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:09:32,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:09:32 BoogieIcfgContainer [2019-10-07 14:09:32,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:09:32,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:09:32,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:09:32,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:09:32,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:09:25" (1/3) ... [2019-10-07 14:09:32,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed8a813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:09:32, skipping insertion in model container [2019-10-07 14:09:32,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:09:26" (2/3) ... [2019-10-07 14:09:32,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed8a813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:09:32, skipping insertion in model container [2019-10-07 14:09:32,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:09:32" (3/3) ... [2019-10-07 14:09:32,684 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product27.cil.c [2019-10-07 14:09:32,694 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:09:32,703 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:09:32,715 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:09:32,748 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:09:32,748 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:09:32,748 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:09:32,748 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:09:32,748 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:09:32,749 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:09:32,749 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:09:32,749 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:09:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states. [2019-10-07 14:09:32,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 14:09:32,807 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:09:32,808 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:09:32,810 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:09:32,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:09:32,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1391157792, now seen corresponding path program 1 times [2019-10-07 14:09:32,826 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:09:32,827 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:32,827 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:32,827 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:32,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:09:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:09:33,684 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:33,685 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:09:33,685 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:09:33,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:09:33,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:09:33,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:09:33,710 INFO L87 Difference]: Start difference. First operand 577 states. Second operand 2 states. [2019-10-07 14:09:33,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:09:33,775 INFO L93 Difference]: Finished difference Result 486 states and 719 transitions. [2019-10-07 14:09:33,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:09:33,777 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 135 [2019-10-07 14:09:33,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:09:33,809 INFO L225 Difference]: With dead ends: 486 [2019-10-07 14:09:33,810 INFO L226 Difference]: Without dead ends: 452 [2019-10-07 14:09:33,817 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:09:33,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-10-07 14:09:33,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2019-10-07 14:09:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-10-07 14:09:33,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 668 transitions. [2019-10-07 14:09:33,923 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 668 transitions. Word has length 135 [2019-10-07 14:09:33,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:09:33,928 INFO L462 AbstractCegarLoop]: Abstraction has 452 states and 668 transitions. [2019-10-07 14:09:33,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:09:33,928 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 668 transitions. [2019-10-07 14:09:33,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-07 14:09:33,938 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:09:33,939 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:09:33,941 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:09:33,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:09:33,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1368938200, now seen corresponding path program 1 times [2019-10-07 14:09:33,943 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:09:33,943 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:33,943 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:33,943 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:33,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:09:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:09:34,354 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:34,354 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:09:34,354 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:09:34,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:09:34,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:09:34,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:09:34,361 INFO L87 Difference]: Start difference. First operand 452 states and 668 transitions. Second operand 7 states. [2019-10-07 14:09:38,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:09:38,933 INFO L93 Difference]: Finished difference Result 1261 states and 1915 transitions. [2019-10-07 14:09:38,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:09:38,933 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2019-10-07 14:09:38,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:09:38,943 INFO L225 Difference]: With dead ends: 1261 [2019-10-07 14:09:38,943 INFO L226 Difference]: Without dead ends: 862 [2019-10-07 14:09:38,950 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:09:38,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2019-10-07 14:09:39,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 837. [2019-10-07 14:09:39,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2019-10-07 14:09:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1266 transitions. [2019-10-07 14:09:39,042 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1266 transitions. Word has length 136 [2019-10-07 14:09:39,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:09:39,043 INFO L462 AbstractCegarLoop]: Abstraction has 837 states and 1266 transitions. [2019-10-07 14:09:39,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:09:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1266 transitions. [2019-10-07 14:09:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 14:09:39,051 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:09:39,052 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:09:39,052 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:09:39,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:09:39,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1603360115, now seen corresponding path program 1 times [2019-10-07 14:09:39,053 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:09:39,053 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:39,053 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:39,053 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:39,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:09:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:09:39,348 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:39,348 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:09:39,349 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:09:39,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:09:39,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:09:39,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:09:39,350 INFO L87 Difference]: Start difference. First operand 837 states and 1266 transitions. Second operand 6 states. [2019-10-07 14:09:40,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:09:40,226 INFO L93 Difference]: Finished difference Result 876 states and 1322 transitions. [2019-10-07 14:09:40,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:09:40,227 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2019-10-07 14:09:40,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:09:40,238 INFO L225 Difference]: With dead ends: 876 [2019-10-07 14:09:40,238 INFO L226 Difference]: Without dead ends: 859 [2019-10-07 14:09:40,240 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 14:09:40,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2019-10-07 14:09:40,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 841. [2019-10-07 14:09:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2019-10-07 14:09:40,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1270 transitions. [2019-10-07 14:09:40,331 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1270 transitions. Word has length 140 [2019-10-07 14:09:40,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:09:40,332 INFO L462 AbstractCegarLoop]: Abstraction has 841 states and 1270 transitions. [2019-10-07 14:09:40,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:09:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1270 transitions. [2019-10-07 14:09:40,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-07 14:09:40,336 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:09:40,337 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:09:40,337 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:09:40,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:09:40,337 INFO L82 PathProgramCache]: Analyzing trace with hash -2109206818, now seen corresponding path program 1 times [2019-10-07 14:09:40,338 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:09:40,338 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:40,338 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:40,338 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:40,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:09:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:09:40,587 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:40,587 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:09:40,588 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:09:40,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:09:40,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:09:40,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:09:40,589 INFO L87 Difference]: Start difference. First operand 841 states and 1270 transitions. Second operand 8 states. [2019-10-07 14:09:40,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:09:40,680 INFO L93 Difference]: Finished difference Result 862 states and 1296 transitions. [2019-10-07 14:09:40,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 14:09:40,681 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2019-10-07 14:09:40,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:09:40,693 INFO L225 Difference]: With dead ends: 862 [2019-10-07 14:09:40,693 INFO L226 Difference]: Without dead ends: 845 [2019-10-07 14:09:40,698 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 14:09:40,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2019-10-07 14:09:40,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 841. [2019-10-07 14:09:40,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2019-10-07 14:09:40,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1268 transitions. [2019-10-07 14:09:40,757 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1268 transitions. Word has length 145 [2019-10-07 14:09:40,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:09:40,759 INFO L462 AbstractCegarLoop]: Abstraction has 841 states and 1268 transitions. [2019-10-07 14:09:40,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:09:40,760 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1268 transitions. [2019-10-07 14:09:40,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:09:40,764 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:09:40,765 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:09:40,765 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:09:40,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:09:40,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1586581229, now seen corresponding path program 1 times [2019-10-07 14:09:40,766 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:09:40,766 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:40,766 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:40,766 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:40,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:09:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:42,429 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:09:42,429 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:42,429 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:09:42,430 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 14:09:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:43,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 3298 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-07 14:09:43,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:09:43,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:43,413 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:09:43,413 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:09:43,925 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:09:44,279 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 14:09:44,279 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [36] total 41 [2019-10-07 14:09:44,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:09:44,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:09:44,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1502, Unknown=0, NotChecked=0, Total=1640 [2019-10-07 14:09:44,282 INFO L87 Difference]: Start difference. First operand 841 states and 1268 transitions. Second operand 7 states. [2019-10-07 14:09:44,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:09:44,386 INFO L93 Difference]: Finished difference Result 884 states and 1322 transitions. [2019-10-07 14:09:44,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:09:44,387 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2019-10-07 14:09:44,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:09:44,394 INFO L225 Difference]: With dead ends: 884 [2019-10-07 14:09:44,395 INFO L226 Difference]: Without dead ends: 867 [2019-10-07 14:09:44,397 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 326 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=142, Invalid=1580, Unknown=0, NotChecked=0, Total=1722 [2019-10-07 14:09:44,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2019-10-07 14:09:44,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 853. [2019-10-07 14:09:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2019-10-07 14:09:44,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1280 transitions. [2019-10-07 14:09:44,450 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1280 transitions. Word has length 160 [2019-10-07 14:09:44,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:09:44,450 INFO L462 AbstractCegarLoop]: Abstraction has 853 states and 1280 transitions. [2019-10-07 14:09:44,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:09:44,451 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1280 transitions. [2019-10-07 14:09:44,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 14:09:44,455 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:09:44,456 INFO L385 BasicCegarLoop]: trace histogram [7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:09:44,664 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:09:44,664 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:09:44,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:09:44,665 INFO L82 PathProgramCache]: Analyzing trace with hash -201277632, now seen corresponding path program 1 times [2019-10-07 14:09:44,665 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:09:44,665 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:44,665 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:44,666 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:44,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:09:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-07 14:09:45,174 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:45,174 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:09:45,174 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 14:09:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:46,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 3362 conjuncts, 41 conjunts are in the unsatisfiable core [2019-10-07 14:09:46,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:09:46,346 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2019-10-07 14:09:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-07 14:09:46,899 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:09:47,077 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-10-07 14:09:47,430 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 12 [2019-10-07 14:09:47,549 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-10-07 14:09:47,659 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-10-07 14:10:54,551 WARN L191 SmtUtils]: Spent 1.11 m on a formula simplification. DAG size of input: 1441 DAG size of output: 51 [2019-10-07 14:10:55,059 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2019-10-07 14:10:55,576 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:10:56,152 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:10:56,755 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:10:56,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:10:57,303 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:10:57,879 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:10:57,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:10:58,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:10:58,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:10:58,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:10:58,050 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:10:58,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:10:58,253 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-10-07 14:10:58,595 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 12 [2019-10-07 14:10:58,717 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-10-07 14:12:06,521 WARN L191 SmtUtils]: Spent 1.12 m on a formula simplification. DAG size of input: 1457 DAG size of output: 51 [2019-10-07 14:12:07,108 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-10-07 14:12:07,216 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-10-07 14:13:13,761 WARN L191 SmtUtils]: Spent 1.11 m on a formula simplification. DAG size of input: 1441 DAG size of output: 51 [2019-10-07 14:13:14,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:13:14,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:13:14,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:13:14,130 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:13:14,280 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-10-07 14:13:14,385 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-10-07 14:14:20,698 WARN L191 SmtUtils]: Spent 1.10 m on a formula simplification. DAG size of input: 1441 DAG size of output: 51 [2019-10-07 14:14:20,774 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:20,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:20,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:20,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:21,219 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-10-07 14:14:21,549 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 12 [2019-10-07 14:14:21,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:21,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:21,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:21,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:21,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:21,615 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:21,714 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-10-07 14:14:21,714 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:14:21,745 INFO L162 IcfgInterpreter]: Started Sifa with 152 locations of interest [2019-10-07 14:14:21,745 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:14:21,752 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:14:21,760 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:14:21,761 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:15:07,691 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 764 [2019-10-07 14:15:13,768 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 405 DAG size of output: 327 [2019-10-07 14:15:14,169 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 850 [2019-10-07 14:15:14,488 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 850 [2019-10-07 14:15:14,770 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 850 [2019-10-07 14:15:15,328 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:15,891 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:16,368 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:16,975 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:17,928 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 1040 [2019-10-07 14:15:18,403 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:18,952 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:19,422 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:19,885 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:20,401 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:20,422 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 391 for LOIs [2019-10-07 14:15:20,628 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 733 [2019-10-07 14:15:20,742 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 733 [2019-10-07 14:15:21,105 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 923 [2019-10-07 14:15:21,106 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1090 for LOIs [2019-10-07 14:15:21,559 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:22,019 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:22,145 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:22,911 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:23,380 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:24,287 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:24,411 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:25,182 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:25,688 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:26,144 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:26,402 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:27,280 WARN L191 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:28,153 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 1262 DAG size of output: 1090 [2019-10-07 14:15:28,609 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:28,749 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:29,527 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:29,997 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:30,450 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:30,577 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:31,356 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:31,805 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:32,272 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:32,400 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:33,178 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:33,628 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:34,082 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:34,203 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:34,987 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:35,442 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:35,897 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:36,018 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:36,790 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:37,257 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:37,716 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:37,841 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:38,608 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:39,053 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:39,513 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:39,647 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:40,409 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:40,860 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:41,316 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:41,439 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:42,207 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:42,656 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:43,115 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:43,237 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:44,003 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:44,464 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:44,935 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:45,057 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:45,825 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:46,870 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:47,638 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:47,775 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:48,545 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:50,052 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:15:50,833 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:50,962 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:51,730 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:52,491 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:53,307 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:53,430 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:54,200 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:55,306 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:15:56,095 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:15:56,231 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:15:57,012 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:15:58,425 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:15:59,228 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:15:59,366 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:00,170 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:01,504 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:16:02,294 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:16:02,422 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:03,226 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:04,028 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 14:16:04,821 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 14:16:04,966 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:05,778 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 14:16:06,581 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:16:07,368 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:16:07,495 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:08,315 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:16:09,142 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:16:09,948 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:16:10,080 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:10,883 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:16:11,701 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:16:12,500 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:16:12,788 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:13,706 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:16:14,504 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:16:15,330 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:16:15,459 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:16,272 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:16:17,722 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:16:18,511 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:18,641 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:19,450 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:20,871 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:16:21,671 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:21,801 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:22,583 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:23,366 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:24,149 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:24,277 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:25,064 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:25,897 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:26,705 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:26,838 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:27,621 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:29,063 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:16:29,852 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:30,003 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:30,817 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:32,246 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:16:33,031 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:33,158 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:33,948 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:35,281 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1271 DAG size of output: 1262 [2019-10-07 14:16:36,062 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:16:36,192 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:36,970 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:38,382 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1264 [2019-10-07 14:16:39,176 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:39,307 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:40,088 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:16:41,527 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:16:42,310 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:42,453 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:43,231 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:44,628 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:16:45,405 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:45,553 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:46,337 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:47,114 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:47,889 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:48,011 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:48,778 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:50,505 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:16:51,296 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:51,425 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:52,192 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:53,601 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:16:54,385 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:54,513 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:55,283 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:56,052 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:56,831 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:56,955 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:57,726 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:59,070 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:16:59,845 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:16:59,975 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:00,748 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:01,546 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:02,327 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:02,476 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:03,256 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:04,649 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:17:05,429 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:17:05,556 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:06,343 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:07,668 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:17:08,440 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:17:08,573 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:09,355 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:10,756 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:11,538 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:11,668 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:12,446 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:13,839 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:14,619 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:14,747 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:15,529 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:16,307 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:17,081 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:17,201 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:18,000 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:19,410 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:17:20,213 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:20,343 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:21,128 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:22,458 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:17:23,243 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:17:23,374 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:24,170 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:25,612 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:26,389 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:26,533 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:27,312 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:28,731 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:29,513 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:29,643 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:30,419 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:31,854 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:32,637 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:32,765 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:33,541 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:34,951 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:35,726 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:35,856 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:36,636 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:37,428 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:38,214 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:38,336 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:39,126 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:40,579 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:17:41,364 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:41,497 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:42,293 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:43,666 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:17:44,442 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:17:44,570 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:45,355 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:46,676 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:17:47,477 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:17:47,602 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:48,389 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:49,725 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:17:50,530 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:17:50,658 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:51,443 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:52,893 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:17:53,697 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:53,828 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:54,621 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:17:56,029 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:56,806 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:56,938 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:57,726 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:59,137 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:59,938 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:00,066 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:00,863 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:01,664 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:02,461 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:02,586 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:03,378 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:04,875 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:18:05,674 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:05,803 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:06,597 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:07,942 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:18:08,724 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:18:08,860 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:09,661 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:11,006 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:18:11,807 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:18:11,936 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:12,722 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:14,185 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1271 DAG size of output: 1264 [2019-10-07 14:18:14,982 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:15,122 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:15,923 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:17,372 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1266 [2019-10-07 14:18:18,166 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:18:18,298 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:19,090 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:18:20,923 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1271 [2019-10-07 14:18:21,724 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:18:21,855 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:22,655 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:18:24,149 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1271 [2019-10-07 14:18:24,938 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:18:25,074 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:25,882 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:18:25,889 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1116 for LOIs [2019-10-07 14:18:26,405 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:18:26,908 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:18:27,032 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:27,818 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:28,390 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:28,920 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:29,047 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:29,829 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:30,727 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 1262 DAG size of output: 1126 [2019-10-07 14:18:31,255 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:31,383 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:32,164 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:32,707 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:33,236 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:33,359 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:34,139 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:34,678 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:35,202 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:35,326 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:36,103 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:36,625 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:37,145 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:37,268 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:38,077 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:38,355 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:18:38,357 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 14:18:38,362 INFO L168 Benchmark]: Toolchain (without parser) took 552908.34 ms. Allocated memory was 134.7 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 97.1 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 576.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:18:38,363 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 134.7 MB. Free memory was 118.0 MB in the beginning and 117.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:18:38,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1100.54 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 96.9 MB in the beginning and 139.4 MB in the end (delta: -42.5 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:18:38,364 INFO L168 Benchmark]: Boogie Preprocessor took 221.91 ms. Allocated memory is still 199.2 MB. Free memory was 139.4 MB in the beginning and 130.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:18:38,364 INFO L168 Benchmark]: RCFGBuilder took 5896.69 ms. Allocated memory was 199.2 MB in the beginning and 328.2 MB in the end (delta: 129.0 MB). Free memory was 130.1 MB in the beginning and 109.8 MB in the end (delta: 20.3 MB). Peak memory consumption was 149.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:18:38,365 INFO L168 Benchmark]: TraceAbstraction took 545684.02 ms. Allocated memory was 328.2 MB in the beginning and 2.4 GB in the end (delta: 2.0 GB). Free memory was 109.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 395.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:18:38,366 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 ms. Allocated memory is still 134.7 MB. Free memory was 118.0 MB in the beginning and 117.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1100.54 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 96.9 MB in the beginning and 139.4 MB in the end (delta: -42.5 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 221.91 ms. Allocated memory is still 199.2 MB. Free memory was 139.4 MB in the beginning and 130.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5896.69 ms. Allocated memory was 199.2 MB in the beginning and 328.2 MB in the end (delta: 129.0 MB). Free memory was 130.1 MB in the beginning and 109.8 MB in the end (delta: 20.3 MB). Peak memory consumption was 149.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 545684.02 ms. Allocated memory was 328.2 MB in the beginning and 2.4 GB in the end (delta: 2.0 GB). Free memory was 109.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 395.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...