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/minepump_spec5_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:24:12,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:24:12,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:24:12,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:24:12,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:24:12,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:24:12,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:24:12,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:24:12,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:24:12,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:24:12,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:24:12,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:24:12,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:24:12,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:24:12,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:24:12,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:24:12,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:24:12,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:24:12,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:24:12,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:24:12,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:24:12,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:24:12,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:24:12,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:24:12,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:24:12,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:24:12,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:24:12,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:24:12,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:24:12,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:24:12,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:24:12,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:24:12,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:24:12,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:24:12,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:24:12,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:24:12,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:24:12,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:24:12,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:24:12,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:24:12,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:24:12,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:24:12,131 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:24:12,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:24:12,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:24:12,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:24:12,133 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:24:12,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:24:12,134 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:24:12,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:24:12,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:24:12,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:24:12,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:24:12,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:24:12,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:24:12,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:24:12,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:24:12,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:24:12,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:24:12,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:24:12,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:24:12,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:24:12,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:24:12,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:24:12,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:24:12,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:24:12,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:24:12,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:24:12,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:24:12,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:24:12,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:24:12,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:24:12,426 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:24:12,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:24:12,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:24:12,431 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:24:12,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2019-10-15 03:24:12,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a1ddcccb/627b3b62978b42ca867142812ea6452b/FLAG90ec06ebe [2019-10-15 03:24:13,000 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:24:13,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2019-10-15 03:24:13,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a1ddcccb/627b3b62978b42ca867142812ea6452b/FLAG90ec06ebe [2019-10-15 03:24:13,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a1ddcccb/627b3b62978b42ca867142812ea6452b [2019-10-15 03:24:13,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:24:13,340 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:24:13,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:24:13,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:24:13,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:24:13,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:24:13" (1/1) ... [2019-10-15 03:24:13,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e33a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:13, skipping insertion in model container [2019-10-15 03:24:13,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:24:13" (1/1) ... [2019-10-15 03:24:13,353 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:24:13,415 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:24:13,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:24:13,843 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:24:13,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:24:13,997 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:24:13,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:13 WrapperNode [2019-10-15 03:24:13,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:24:13,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:24:13,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:24:13,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:24:14,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:13" (1/1) ... [2019-10-15 03:24:14,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:13" (1/1) ... [2019-10-15 03:24:14,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:13" (1/1) ... [2019-10-15 03:24:14,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:13" (1/1) ... [2019-10-15 03:24:14,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:13" (1/1) ... [2019-10-15 03:24:14,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:13" (1/1) ... [2019-10-15 03:24:14,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:13" (1/1) ... [2019-10-15 03:24:14,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:24:14,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:24:14,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:24:14,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:24:14,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:24:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:24:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:24:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:24:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:24:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:24:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:24:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 03:24:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:24:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 03:24:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:24:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:24:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:24:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:24:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:24:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:24:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 03:24:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 03:24:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:24:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:24:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:24:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:24:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:24:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:24:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:24:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:24:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:24:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:24:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:24:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:24:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:24:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:24:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:24:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:24:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:24:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 03:24:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:24:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:24:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:24:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:24:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:24:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:24:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:24:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:24:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:24:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:24:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:24:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:24:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:24:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:24:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:24:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:24:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:24:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 03:24:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:24:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:24:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:24:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:24:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:24:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 03:24:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:24:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:24:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:24:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:24:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:24:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:24:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 03:24:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 03:24:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:24:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 03:24:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:24:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:24:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:24:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:24:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:24:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:24:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:24:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:24:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:24:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:24:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:24:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:24:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:24:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:24:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:24:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:24:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:24:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:24:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:24:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:24:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:24:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:24:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:24:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:24:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:24:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:24:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:24:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:24:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:24:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:24:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:24:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:24:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:24:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:24:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:24:15,802 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:24:15,802 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:24:15,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:24:15 BoogieIcfgContainer [2019-10-15 03:24:15,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:24:15,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:24:15,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:24:15,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:24:15,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:24:13" (1/3) ... [2019-10-15 03:24:15,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bfcd311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:24:15, skipping insertion in model container [2019-10-15 03:24:15,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:13" (2/3) ... [2019-10-15 03:24:15,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bfcd311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:24:15, skipping insertion in model container [2019-10-15 03:24:15,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:24:15" (3/3) ... [2019-10-15 03:24:15,812 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2019-10-15 03:24:15,822 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:24:15,831 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:24:15,842 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:24:15,881 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:24:15,881 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:24:15,881 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:24:15,881 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:24:15,882 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:24:15,882 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:24:15,882 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:24:15,882 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:24:15,905 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2019-10-15 03:24:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 03:24:15,916 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:24:15,917 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:24:15,919 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:24:15,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:24:15,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1770503900, now seen corresponding path program 1 times [2019-10-15 03:24:15,934 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:24:15,935 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294363888] [2019-10-15 03:24:15,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:15,936 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:15,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:24:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:24:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:24:16,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294363888] [2019-10-15 03:24:16,325 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:24:16,326 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:24:16,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985803467] [2019-10-15 03:24:16,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:24:16,332 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:24:16,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:24:16,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:24:16,355 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 2 states. [2019-10-15 03:24:16,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:24:16,406 INFO L93 Difference]: Finished difference Result 278 states and 337 transitions. [2019-10-15 03:24:16,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:24:16,407 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-15 03:24:16,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:24:16,422 INFO L225 Difference]: With dead ends: 278 [2019-10-15 03:24:16,422 INFO L226 Difference]: Without dead ends: 141 [2019-10-15 03:24:16,428 INFO L600 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 [2019-10-15 03:24:16,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-15 03:24:16,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-15 03:24:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-15 03:24:16,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2019-10-15 03:24:16,495 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 52 [2019-10-15 03:24:16,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:24:16,496 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2019-10-15 03:24:16,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:24:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2019-10-15 03:24:16,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 03:24:16,500 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:24:16,501 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:24:16,501 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:24:16,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:24:16,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1772281623, now seen corresponding path program 1 times [2019-10-15 03:24:16,502 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:24:16,503 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443861388] [2019-10-15 03:24:16,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:16,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:16,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:24:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:24:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:24:16,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443861388] [2019-10-15 03:24:16,726 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:24:16,726 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:24:16,726 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669518793] [2019-10-15 03:24:16,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:24:16,734 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:24:16,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:24:16,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:24:16,734 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 3 states. [2019-10-15 03:24:16,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:24:16,783 INFO L93 Difference]: Finished difference Result 232 states and 271 transitions. [2019-10-15 03:24:16,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:24:16,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-15 03:24:16,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:24:16,789 INFO L225 Difference]: With dead ends: 232 [2019-10-15 03:24:16,789 INFO L226 Difference]: Without dead ends: 133 [2019-10-15 03:24:16,793 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:24:16,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-15 03:24:16,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-15 03:24:16,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-15 03:24:16,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2019-10-15 03:24:16,827 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 53 [2019-10-15 03:24:16,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:24:16,828 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2019-10-15 03:24:16,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:24:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2019-10-15 03:24:16,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 03:24:16,835 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:24:16,835 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:24:16,835 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:24:16,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:24:16,836 INFO L82 PathProgramCache]: Analyzing trace with hash -229940485, now seen corresponding path program 1 times [2019-10-15 03:24:16,836 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:24:16,838 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846647456] [2019-10-15 03:24:16,838 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:16,839 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:16,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:24:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:24:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:24:17,017 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846647456] [2019-10-15 03:24:17,017 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:24:17,017 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:24:17,017 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127127489] [2019-10-15 03:24:17,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:24:17,018 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:24:17,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:24:17,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:24:17,019 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 7 states. [2019-10-15 03:24:17,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:24:17,381 INFO L93 Difference]: Finished difference Result 241 states and 282 transitions. [2019-10-15 03:24:17,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:24:17,382 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-15 03:24:17,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:24:17,384 INFO L225 Difference]: With dead ends: 241 [2019-10-15 03:24:17,384 INFO L226 Difference]: Without dead ends: 133 [2019-10-15 03:24:17,385 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:24:17,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-15 03:24:17,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-15 03:24:17,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-15 03:24:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 152 transitions. [2019-10-15 03:24:17,399 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 152 transitions. Word has length 56 [2019-10-15 03:24:17,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:24:17,401 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 152 transitions. [2019-10-15 03:24:17,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:24:17,401 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 152 transitions. [2019-10-15 03:24:17,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-15 03:24:17,404 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:24:17,404 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:24:17,404 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:24:17,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:24:17,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2133725690, now seen corresponding path program 1 times [2019-10-15 03:24:17,405 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:24:17,405 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254541760] [2019-10-15 03:24:17,405 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:17,405 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:17,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:24:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:24:17,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:24:17,529 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254541760] [2019-10-15 03:24:17,529 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:24:17,529 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:24:17,533 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612952793] [2019-10-15 03:24:17,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:24:17,534 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:24:17,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:24:17,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:24:17,535 INFO L87 Difference]: Start difference. First operand 133 states and 152 transitions. Second operand 5 states. [2019-10-15 03:24:18,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:24:18,120 INFO L93 Difference]: Finished difference Result 351 states and 417 transitions. [2019-10-15 03:24:18,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:24:18,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-10-15 03:24:18,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:24:18,124 INFO L225 Difference]: With dead ends: 351 [2019-10-15 03:24:18,124 INFO L226 Difference]: Without dead ends: 243 [2019-10-15 03:24:18,125 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:24:18,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-10-15 03:24:18,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 226. [2019-10-15 03:24:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-10-15 03:24:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 251 transitions. [2019-10-15 03:24:18,151 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 251 transitions. Word has length 73 [2019-10-15 03:24:18,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:24:18,152 INFO L462 AbstractCegarLoop]: Abstraction has 226 states and 251 transitions. [2019-10-15 03:24:18,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:24:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 251 transitions. [2019-10-15 03:24:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-15 03:24:18,153 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:24:18,154 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:24:18,154 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:24:18,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:24:18,154 INFO L82 PathProgramCache]: Analyzing trace with hash 282239929, now seen corresponding path program 1 times [2019-10-15 03:24:18,155 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:24:18,155 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401246968] [2019-10-15 03:24:18,155 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:18,155 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:18,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:24:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:24:18,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:24:18,274 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401246968] [2019-10-15 03:24:18,274 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:24:18,275 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:24:18,275 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941756919] [2019-10-15 03:24:18,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:24:18,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:24:18,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:24:18,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:24:18,278 INFO L87 Difference]: Start difference. First operand 226 states and 251 transitions. Second operand 7 states. [2019-10-15 03:24:18,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:24:18,895 INFO L93 Difference]: Finished difference Result 443 states and 507 transitions. [2019-10-15 03:24:18,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:24:18,895 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2019-10-15 03:24:18,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:24:18,899 INFO L225 Difference]: With dead ends: 443 [2019-10-15 03:24:18,899 INFO L226 Difference]: Without dead ends: 242 [2019-10-15 03:24:18,900 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 03:24:18,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-10-15 03:24:18,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 225. [2019-10-15 03:24:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-10-15 03:24:18,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 248 transitions. [2019-10-15 03:24:18,918 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 248 transitions. Word has length 83 [2019-10-15 03:24:18,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:24:18,918 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 248 transitions. [2019-10-15 03:24:18,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:24:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 248 transitions. [2019-10-15 03:24:18,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-15 03:24:18,920 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:24:18,920 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:24:18,920 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:24:18,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:24:18,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1249289671, now seen corresponding path program 1 times [2019-10-15 03:24:18,921 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:24:18,921 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111756541] [2019-10-15 03:24:18,921 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:18,921 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:18,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:24:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:24:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:24:19,101 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111756541] [2019-10-15 03:24:19,101 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:24:19,101 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-15 03:24:19,102 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940705776] [2019-10-15 03:24:19,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-15 03:24:19,102 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:24:19,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-15 03:24:19,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:24:19,103 INFO L87 Difference]: Start difference. First operand 225 states and 248 transitions. Second operand 12 states. [2019-10-15 03:24:19,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:24:19,975 INFO L93 Difference]: Finished difference Result 584 states and 669 transitions. [2019-10-15 03:24:19,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-15 03:24:19,976 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2019-10-15 03:24:19,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:24:19,980 INFO L225 Difference]: With dead ends: 584 [2019-10-15 03:24:19,980 INFO L226 Difference]: Without dead ends: 384 [2019-10-15 03:24:19,982 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-10-15 03:24:19,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2019-10-15 03:24:20,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 375. [2019-10-15 03:24:20,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-10-15 03:24:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 426 transitions. [2019-10-15 03:24:20,014 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 426 transitions. Word has length 96 [2019-10-15 03:24:20,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:24:20,014 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 426 transitions. [2019-10-15 03:24:20,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-15 03:24:20,015 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 426 transitions. [2019-10-15 03:24:20,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 03:24:20,016 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:24:20,017 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:24:20,017 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:24:20,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:24:20,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1716035124, now seen corresponding path program 1 times [2019-10-15 03:24:20,018 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:24:20,018 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308444660] [2019-10-15 03:24:20,018 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:20,018 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:20,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:24:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:24:20,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:24:20,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308444660] [2019-10-15 03:24:20,162 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:24:20,163 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:24:20,163 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785519303] [2019-10-15 03:24:20,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:24:20,164 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:24:20,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:24:20,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:24:20,164 INFO L87 Difference]: Start difference. First operand 375 states and 426 transitions. Second operand 9 states. [2019-10-15 03:24:21,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:24:21,264 INFO L93 Difference]: Finished difference Result 1163 states and 1358 transitions. [2019-10-15 03:24:21,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 03:24:21,265 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2019-10-15 03:24:21,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:24:21,271 INFO L225 Difference]: With dead ends: 1163 [2019-10-15 03:24:21,271 INFO L226 Difference]: Without dead ends: 879 [2019-10-15 03:24:21,273 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-10-15 03:24:21,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2019-10-15 03:24:21,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 769. [2019-10-15 03:24:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2019-10-15 03:24:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 880 transitions. [2019-10-15 03:24:21,331 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 880 transitions. Word has length 99 [2019-10-15 03:24:21,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:24:21,332 INFO L462 AbstractCegarLoop]: Abstraction has 769 states and 880 transitions. [2019-10-15 03:24:21,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:24:21,332 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 880 transitions. [2019-10-15 03:24:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-15 03:24:21,334 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:24:21,335 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 03:24:21,335 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:24:21,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:24:21,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1968054454, now seen corresponding path program 1 times [2019-10-15 03:24:21,336 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:24:21,336 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118044820] [2019-10-15 03:24:21,336 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:21,336 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:24:21,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:24:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:24:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 03:24:21,489 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118044820] [2019-10-15 03:24:21,489 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002917264] [2019-10-15 03:24:21,489 INFO L94 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 [2019-10-15 03:24:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:24:21,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 03:24:21,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:24:21,926 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 31 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:24:21,926 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:24:22,477 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 03:24:22,478 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1195409495] [2019-10-15 03:24:22,507 INFO L162 IcfgInterpreter]: Started Sifa with 122 locations of interest [2019-10-15 03:24:22,507 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:24:22,514 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:24:22,522 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:24:22,523 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 03:24:31,057 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-15 03:24:32,912 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 03:24:33,038 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:24:33,195 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:24:33,317 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:24:33,557 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:24:33,848 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:24:34,101 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:24:34,326 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:24:34,723 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-15 03:24:34,847 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:24:34,984 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:24:35,103 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:24:35,242 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:24:35,360 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-15 03:24:35,626 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-10-15 03:24:35,626 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-15 03:24:35,767 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:35,889 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:36,029 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:36,246 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:36,402 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:36,731 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:36,984 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-15 03:24:37,096 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:37,229 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:37,461 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:37,578 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:37,775 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:37,904 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:38,012 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:38,230 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:38,540 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:38,651 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:38,760 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:38,877 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:39,181 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:39,381 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:39,497 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:39,801 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:39,995 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:40,140 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:40,337 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:40,453 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:40,719 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:40,978 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:24:41,085 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:41,220 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:41,328 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:41,435 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:41,551 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:41,724 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:41,834 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:41,965 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:42,201 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:24:42,310 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:42,502 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:42,698 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:24:42,806 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:42,928 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:43,041 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-15 03:24:43,155 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-15 03:24:43,301 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-15 03:24:43,413 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:43,525 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:43,651 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:43,790 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:43,910 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:44,032 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:44,155 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:44,267 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:44,398 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:44,509 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:44,621 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:44,747 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:44,957 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:24:45,070 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:45,203 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:45,397 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:24:45,503 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:45,633 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:45,748 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:45,857 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:45,974 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:46,105 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:46,214 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:46,470 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:46,752 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:24:46,862 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:47,002 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:47,201 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:24:47,309 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:47,429 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:47,637 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 573 [2019-10-15 03:24:47,759 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-15 03:24:47,888 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-15 03:24:48,090 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-15 03:24:48,202 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:48,332 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:48,539 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:24:48,650 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:48,771 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:48,970 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:24:49,080 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:49,204 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:49,311 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:49,419 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:49,538 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:49,753 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:24:49,861 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:49,981 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:50,177 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:24:50,286 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:50,405 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:50,513 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:50,620 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:50,739 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:50,945 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:24:51,054 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:51,180 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:51,384 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:24:51,493 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:51,618 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:51,728 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:51,837 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:51,956 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:24:52,157 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 573 [2019-10-15 03:24:52,277 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-15 03:24:52,399 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-15 03:24:52,603 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-15 03:24:52,718 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:52,843 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:24:53,047 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:24:53,154 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:53,274 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:53,467 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:24:53,575 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:53,698 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564