java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 13:41:57,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 13:41:57,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 13:41:57,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 13:41:57,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 13:41:57,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 13:41:57,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 13:41:57,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 13:41:57,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 13:41:57,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 13:41:57,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 13:41:57,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 13:41:57,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 13:41:57,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 13:41:57,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 13:41:57,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 13:41:57,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 13:41:57,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 13:41:57,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 13:41:57,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 13:41:57,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 13:41:57,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 13:41:57,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 13:41:57,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 13:41:57,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 13:41:57,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 13:41:57,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 13:41:57,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 13:41:57,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 13:41:57,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 13:41:57,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 13:41:57,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 13:41:57,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 13:41:57,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 13:41:57,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 13:41:57,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 13:41:57,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 13:41:57,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 13:41:57,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 13:41:57,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 13:41:57,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 13:41:57,362 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 [2019-09-18 13:41:57,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 13:41:57,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 13:41:57,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 13:41:57,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 13:41:57,401 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 13:41:57,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 13:41:57,401 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 13:41:57,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 13:41:57,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 13:41:57,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 13:41:57,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 13:41:57,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 13:41:57,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 13:41:57,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 13:41:57,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 13:41:57,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 13:41:57,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 13:41:57,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 13:41:57,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 13:41:57,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 13:41:57,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 13:41:57,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 13:41:57,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 13:41:57,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 13:41:57,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 13:41:57,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 13:41:57,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 13:41:57,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 13:41:57,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 13:41:57,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 13:41:57,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 13:41:57,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 13:41:57,472 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 13:41:57,472 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 13:41:57,473 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2019-09-18 13:41:57,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cdf4d07/be63dcbee6de48f993a5f298cde8c790/FLAGcd2070571 [2019-09-18 13:41:58,033 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 13:41:58,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2019-09-18 13:41:58,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cdf4d07/be63dcbee6de48f993a5f298cde8c790/FLAGcd2070571 [2019-09-18 13:41:58,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cdf4d07/be63dcbee6de48f993a5f298cde8c790 [2019-09-18 13:41:58,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 13:41:58,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 13:41:58,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 13:41:58,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 13:41:58,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 13:41:58,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:41:58" (1/1) ... [2019-09-18 13:41:58,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1819de8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:41:58, skipping insertion in model container [2019-09-18 13:41:58,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:41:58" (1/1) ... [2019-09-18 13:41:58,351 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 13:41:58,391 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 13:41:58,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:41:58,834 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 13:41:58,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:41:58,948 INFO L192 MainTranslator]: Completed translation [2019-09-18 13:41:58,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:41:58 WrapperNode [2019-09-18 13:41:58,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 13:41:58,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 13:41:58,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 13:41:58,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 13:41:58,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:41:58" (1/1) ... [2019-09-18 13:41:58,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:41:58" (1/1) ... [2019-09-18 13:41:58,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:41:58" (1/1) ... [2019-09-18 13:41:58,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:41:58" (1/1) ... [2019-09-18 13:41:59,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:41:58" (1/1) ... [2019-09-18 13:41:59,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:41:58" (1/1) ... [2019-09-18 13:41:59,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:41:58" (1/1) ... [2019-09-18 13:41:59,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 13:41:59,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 13:41:59,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 13:41:59,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 13:41:59,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:41:58" (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 [2019-09-18 13:41:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 13:41:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 13:41:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 13:41:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 13:41:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 13:41:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 13:41:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 13:41:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 13:41:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 13:41:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 13:41:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 13:41:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 13:41:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 13:41:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 13:41:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 13:41:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 13:41:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 13:41:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 13:41:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 13:41:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 13:41:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 13:41:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 13:41:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 13:41:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 13:41:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 13:41:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 13:41:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 13:41:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 13:41:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 13:41:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 13:41:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 13:41:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 13:41:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 13:41:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 13:41:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 13:41:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 13:41:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 13:41:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 13:41:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 13:41:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 13:41:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 13:41:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 13:41:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 13:41:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 13:41:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 13:41:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 13:41:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 13:41:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 13:41:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 13:41:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 13:41:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 13:41:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 13:41:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 13:41:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 13:41:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 13:41:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 13:41:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 13:41:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 13:41:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 13:41:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 13:41:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 13:41:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 13:41:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 13:41:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 13:41:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 13:41:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 13:41:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 13:41:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 13:41:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 13:41:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 13:41:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 13:41:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 13:41:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 13:41:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 13:41:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 13:41:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 13:41:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 13:41:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 13:41:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 13:41:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 13:41:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 13:41:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 13:41:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 13:41:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 13:42:00,397 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 13:42:00,398 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 13:42:00,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:42:00 BoogieIcfgContainer [2019-09-18 13:42:00,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 13:42:00,400 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 13:42:00,400 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 13:42:00,401 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 13:42:00,402 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:42:00" (1/1) ... [2019-09-18 13:42:00,403 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 13:42:00,431 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 13:42:00,432 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 13:42:00,448 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 13:42:00,465 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 13:42:00,466 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 13:42:01,170 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-18 13:42:01,346 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-18 13:42:01,663 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2019-09-18 13:42:01,930 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-18 13:42:02,337 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2019-09-18 13:42:02,726 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2019-09-18 13:42:03,320 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 146 [2019-09-18 13:42:03,807 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 141 [2019-09-18 13:42:04,589 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 155 [2019-09-18 13:42:05,162 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 150 [2019-09-18 13:42:06,190 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 164 [2019-09-18 13:42:06,885 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 159 [2019-09-18 13:42:07,122 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 13:42:08,096 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 172 [2019-09-18 13:42:08,887 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 169 [2019-09-18 13:42:09,153 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 13:42:10,039 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 182 [2019-09-18 13:42:10,866 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 179 [2019-09-18 13:42:11,202 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 13:42:12,309 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 290 DAG size of output: 192 [2019-09-18 13:42:13,289 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2019-09-18 13:42:13,849 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2019-09-18 13:42:15,672 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 362 DAG size of output: 202 [2019-09-18 13:42:15,869 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-18 13:42:16,786 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 201 [2019-09-18 13:42:17,337 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2019-09-18 13:42:18,894 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 395 DAG size of output: 214 [2019-09-18 13:42:20,170 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 262 DAG size of output: 213 [2019-09-18 13:42:21,096 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2019-09-18 13:42:23,804 WARN L191 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 422 DAG size of output: 227 [2019-09-18 13:42:25,112 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 262 DAG size of output: 222 [2019-09-18 13:42:26,348 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2019-09-18 13:42:29,644 WARN L191 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 521 DAG size of output: 235 [2019-09-18 13:42:29,920 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 13:42:31,232 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 295 DAG size of output: 236 [2019-09-18 13:42:32,314 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2019-09-18 13:42:35,042 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 514 DAG size of output: 249 [2019-09-18 13:42:35,361 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 13:42:36,831 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 298 DAG size of output: 250 [2019-09-18 13:42:38,231 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2019-09-18 13:42:41,599 WARN L191 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 625 DAG size of output: 263 [2019-09-18 13:42:41,900 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 13:42:43,423 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 310 DAG size of output: 260 [2019-09-18 13:42:44,982 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-18 13:42:48,972 WARN L191 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 689 DAG size of output: 279 [2019-09-18 13:42:49,301 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 13:42:51,056 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 338 DAG size of output: 276 [2019-09-18 13:42:53,673 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 565 [2019-09-18 13:43:00,600 WARN L191 SmtUtils]: Spent 6.91 s on a formula simplification. DAG size of input: 770 DAG size of output: 289 [2019-09-18 13:43:00,938 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 13:43:02,837 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 346 DAG size of output: 286 [2019-09-18 13:43:05,901 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 623 [2019-09-18 13:43:14,054 WARN L191 SmtUtils]: Spent 8.14 s on a formula simplification. DAG size of input: 811 DAG size of output: 307 [2019-09-18 13:43:14,422 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 13:43:16,444 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 370 DAG size of output: 302 [2019-09-18 13:43:19,007 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 681 [2019-09-18 13:43:26,055 WARN L191 SmtUtils]: Spent 7.03 s on a formula simplification. DAG size of input: 926 DAG size of output: 328 [2019-09-18 13:43:26,444 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 13:43:28,827 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 389 DAG size of output: 325 [2019-09-18 13:43:33,385 WARN L191 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 739 [2019-09-18 13:43:44,906 WARN L191 SmtUtils]: Spent 11.49 s on a formula simplification. DAG size of input: 899 DAG size of output: 361 [2019-09-18 13:43:45,370 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 13:43:48,109 WARN L191 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 438 DAG size of output: 360 [2019-09-18 13:43:53,287 WARN L191 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 797 [2019-09-18 13:44:07,120 WARN L191 SmtUtils]: Spent 13.81 s on a formula simplification. DAG size of input: 945 DAG size of output: 380 [2019-09-18 13:44:07,594 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 13:44:10,749 WARN L191 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 460 DAG size of output: 377 [2019-09-18 13:44:16,814 WARN L191 SmtUtils]: Spent 3.19 s on a formula simplification that was a NOOP. DAG size: 855 [2019-09-18 13:44:32,941 WARN L191 SmtUtils]: Spent 16.09 s on a formula simplification. DAG size of input: 1081 DAG size of output: 402 [2019-09-18 13:44:33,514 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 13:44:37,013 WARN L191 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 487 DAG size of output: 403 [2019-09-18 13:44:43,668 WARN L191 SmtUtils]: Spent 3.61 s on a formula simplification that was a NOOP. DAG size: 913 [2019-09-18 13:45:02,595 WARN L191 SmtUtils]: Spent 18.89 s on a formula simplification. DAG size of input: 1181 DAG size of output: 420 [2019-09-18 13:45:03,140 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 13:45:06,925 WARN L191 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 493 DAG size of output: 417 [2019-09-18 13:45:10,419 WARN L191 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2019-09-18 13:45:12,208 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 13:45:12,220 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 428 for LOIs [2019-09-18 13:45:12,288 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 428 for LOIs [2019-09-18 13:45:12,293 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 428 for LOIs [2019-09-18 13:45:23,336 WARN L191 SmtUtils]: Spent 10.90 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-18 13:45:28,672 WARN L191 SmtUtils]: Spent 5.33 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-18 13:45:39,673 WARN L191 SmtUtils]: Spent 11.00 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-18 13:45:45,043 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-18 13:45:55,935 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-18 13:46:01,366 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-18 13:46:12,179 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-18 13:46:17,552 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-18 13:46:44,412 WARN L191 SmtUtils]: Spent 26.79 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-09-18 13:46:53,297 WARN L191 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 13:47:20,663 WARN L191 SmtUtils]: Spent 27.29 s on a formula simplification. DAG size of input: 467 DAG size of output: 460 [2019-09-18 13:47:29,704 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 13:47:38,731 WARN L191 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 13:47:47,891 WARN L191 SmtUtils]: Spent 9.16 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 13:47:59,947 WARN L191 SmtUtils]: Spent 11.57 s on a formula simplification. DAG size of input: 474 DAG size of output: 473 [2019-09-18 13:48:05,742 WARN L191 SmtUtils]: Spent 5.79 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-18 13:48:33,268 WARN L191 SmtUtils]: Spent 27.48 s on a formula simplification. DAG size of input: 486 DAG size of output: 482 [2019-09-18 13:48:42,487 WARN L191 SmtUtils]: Spent 9.22 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-18 13:48:57,459 WARN L191 SmtUtils]: Spent 14.96 s on a formula simplification. DAG size of input: 480 DAG size of output: 471 [2019-09-18 13:49:04,749 WARN L191 SmtUtils]: Spent 7.29 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 13:49:19,552 WARN L191 SmtUtils]: Spent 14.78 s on a formula simplification. DAG size of input: 484 DAG size of output: 471 [2019-09-18 13:49:26,842 WARN L191 SmtUtils]: Spent 7.29 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 13:49:44,860 WARN L191 SmtUtils]: Spent 17.98 s on a formula simplification. DAG size of input: 479 DAG size of output: 472 [2019-09-18 13:49:53,788 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 13:50:04,777 WARN L191 SmtUtils]: Spent 10.99 s on a formula simplification that was a NOOP. DAG size: 488 [2019-09-18 13:50:15,715 WARN L191 SmtUtils]: Spent 10.94 s on a formula simplification that was a NOOP. DAG size: 488 [2019-09-18 13:50:27,440 WARN L191 SmtUtils]: Spent 11.54 s on a formula simplification. DAG size of input: 477 DAG size of output: 472 [2019-09-18 13:50:33,187 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 13:50:51,922 WARN L191 SmtUtils]: Spent 18.69 s on a formula simplification. DAG size of input: 486 DAG size of output: 482 [2019-09-18 13:51:01,070 WARN L191 SmtUtils]: Spent 9.15 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-18 13:51:16,063 WARN L191 SmtUtils]: Spent 14.97 s on a formula simplification. DAG size of input: 480 DAG size of output: 471 [2019-09-18 13:51:23,357 WARN L191 SmtUtils]: Spent 7.29 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 13:51:41,278 WARN L191 SmtUtils]: Spent 17.89 s on a formula simplification. DAG size of input: 479 DAG size of output: 472 [2019-09-18 13:51:50,145 WARN L191 SmtUtils]: Spent 8.87 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 13:52:16,896 WARN L191 SmtUtils]: Spent 26.71 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-09-18 13:52:25,719 WARN L191 SmtUtils]: Spent 8.82 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 13:52:52,843 WARN L191 SmtUtils]: Spent 27.07 s on a formula simplification. DAG size of input: 467 DAG size of output: 460 [2019-09-18 13:53:01,879 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 13:53:10,843 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 13:53:19,877 WARN L191 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 13:53:31,384 WARN L191 SmtUtils]: Spent 11.45 s on a formula simplification. DAG size of input: 474 DAG size of output: 473 [2019-09-18 13:53:37,139 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-18 13:53:55,665 WARN L191 SmtUtils]: Spent 18.48 s on a formula simplification. DAG size of input: 487 DAG size of output: 482 [2019-09-18 13:54:04,858 WARN L191 SmtUtils]: Spent 9.19 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-18 13:54:19,749 WARN L191 SmtUtils]: Spent 14.88 s on a formula simplification. DAG size of input: 480 DAG size of output: 471 [2019-09-18 13:54:27,114 WARN L191 SmtUtils]: Spent 7.36 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 13:54:41,846 WARN L191 SmtUtils]: Spent 14.72 s on a formula simplification. DAG size of input: 484 DAG size of output: 471 [2019-09-18 13:54:49,229 WARN L191 SmtUtils]: Spent 7.38 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 13:55:07,324 WARN L191 SmtUtils]: Spent 18.03 s on a formula simplification. DAG size of input: 479 DAG size of output: 472 [2019-09-18 13:55:16,227 WARN L191 SmtUtils]: Spent 8.90 s on a formula simplification that was a NOOP. DAG size: 472