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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:07:41,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:07:41,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:07:41,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:07:41,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:07:41,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:07:41,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:07:41,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:07:41,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:07:41,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:07:41,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:07:41,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:07:41,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:07:41,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:07:41,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:07:41,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:07:41,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:07:41,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:07:41,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:07:41,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:07:41,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:07:41,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:07:41,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:07:41,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:07:41,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:07:41,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:07:41,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:07:41,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:07:41,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:07:41,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:07:41,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:07:41,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:07:41,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:07:41,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:07:41,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:07:41,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:07:41,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:07:41,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:07:41,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:07:41,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:07:41,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:07:41,521 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 [2019-09-19 23:07:41,546 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:07:41,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:07:41,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:07:41,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:07:41,548 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:07:41,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:07:41,549 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:07:41,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:07:41,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:07:41,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:07:41,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:07:41,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:07:41,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:07:41,550 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:07:41,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:07:41,551 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:07:41,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:07:41,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:07:41,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:07:41,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:07:41,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:07:41,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:07:41,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:07:41,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:07:41,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:07:41,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:07:41,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:07:41,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:07:41,554 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 -> 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 23:07:41,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:07:41,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:07:41,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:07:41,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:07:41,608 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:07:41,608 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2019-09-19 23:07:41,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d736de82a/4b2c368d0c9d49bdba31151c4039afc4/FLAG6fe9a734c [2019-09-19 23:07:42,164 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:07:42,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2019-09-19 23:07:42,183 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d736de82a/4b2c368d0c9d49bdba31151c4039afc4/FLAG6fe9a734c [2019-09-19 23:07:42,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d736de82a/4b2c368d0c9d49bdba31151c4039afc4 [2019-09-19 23:07:42,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:07:42,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:07:42,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:07:42,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:07:42,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:07:42,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:07:42" (1/1) ... [2019-09-19 23:07:42,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425f21cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:07:42, skipping insertion in model container [2019-09-19 23:07:42,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:07:42" (1/1) ... [2019-09-19 23:07:42,503 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:07:42,549 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:07:42,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:07:42,957 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:07:43,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:07:43,095 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:07:43,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:07:43 WrapperNode [2019-09-19 23:07:43,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:07:43,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:07:43,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:07:43,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:07:43,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:07:43" (1/1) ... [2019-09-19 23:07:43,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:07:43" (1/1) ... [2019-09-19 23:07:43,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:07:43" (1/1) ... [2019-09-19 23:07:43,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:07:43" (1/1) ... [2019-09-19 23:07:43,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:07:43" (1/1) ... [2019-09-19 23:07:43,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:07:43" (1/1) ... [2019-09-19 23:07:43,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:07:43" (1/1) ... [2019-09-19 23:07:43,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:07:43,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:07:43,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:07:43,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:07:43,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:07:43" (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 [2019-09-19 23:07:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:07:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:07:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:07:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:07:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:07:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:07:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:07:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:07:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:07:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:07:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:07:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:07:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:07:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:07:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-19 23:07:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-19 23:07:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:07:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:07:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:07:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:07:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:07:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:07:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:07:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:07:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:07:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:07:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:07:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-19 23:07:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:07:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 23:07:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 23:07:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:07:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-19 23:07:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:07:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:07:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:07:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:07:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:07:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-19 23:07:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 23:07:43,287 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:07:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:07:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:07:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:07:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:07:43,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:07:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:07:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:07:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:07:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:07:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:07:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:07:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:07:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:07:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:07:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:07:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:07:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:07:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:07:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:07:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:07:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:07:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:07:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:07:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:07:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:07:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:07:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:07:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-19 23:07:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-19 23:07:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:07:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:07:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:07:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:07:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:07:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:07:43,296 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:07:43,296 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:07:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:07:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:07:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:07:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:07:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:07:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-19 23:07:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:07:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:07:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 23:07:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:07:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 23:07:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-19 23:07:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 23:07:43,300 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:07:43,300 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-19 23:07:43,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:07:43,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:07:43,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:07:44,764 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:07:44,765 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:07:44,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:07:44 BoogieIcfgContainer [2019-09-19 23:07:44,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:07:44,767 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:07:44,767 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:07:44,767 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:07:44,768 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:07:44" (1/1) ... [2019-09-19 23:07:44,769 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 23:07:44,796 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:07:44,796 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:07:44,809 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:07:44,817 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:07:44,818 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:08:07,865 WARN L191 SmtUtils]: Spent 13.40 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 23:08:09,528 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:08:13,297 WARN L191 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 23:08:15,102 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 23:08:16,940 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 23:08:16,956 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 23:08:17,019 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 23:08:17,039 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 23:08:27,951 WARN L191 SmtUtils]: Spent 10.72 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:08:33,284 WARN L191 SmtUtils]: Spent 5.33 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:08:43,975 WARN L191 SmtUtils]: Spent 10.69 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:08:49,297 WARN L191 SmtUtils]: Spent 5.32 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:08:59,912 WARN L191 SmtUtils]: Spent 10.61 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:09:05,211 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:09:15,868 WARN L191 SmtUtils]: Spent 10.66 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:09:21,138 WARN L191 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:09:31,729 WARN L191 SmtUtils]: Spent 10.59 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:09:37,070 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:10:03,495 WARN L191 SmtUtils]: Spent 26.36 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-19 23:10:12,205 WARN L191 SmtUtils]: Spent 8.71 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:10:30,389 WARN L191 SmtUtils]: Spent 18.15 s on a formula simplification. DAG size of input: 473 DAG size of output: 470 [2019-09-19 23:10:39,470 WARN L191 SmtUtils]: Spent 9.08 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-19 23:10:51,542 WARN L191 SmtUtils]: Spent 11.04 s on a formula simplification. DAG size of input: 462 DAG size of output: 457 [2019-09-19 23:10:56,982 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:11:02,546 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:11:08,005 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:11:21,993 WARN L191 SmtUtils]: Spent 13.99 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:11:27,420 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:11:41,386 WARN L191 SmtUtils]: Spent 13.96 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:11:46,812 WARN L191 SmtUtils]: Spent 5.42 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:11:59,055 WARN L191 SmtUtils]: Spent 12.21 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-19 23:11:59,506 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:11:59,952 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 23:12:00,190 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-19 23:12:00,463 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-19 23:12:00,815 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-19 23:12:01,081 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-19 23:12:01,362 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-19 23:12:01,842 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:12:28,332 WARN L191 SmtUtils]: Spent 26.31 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-19 23:12:37,155 WARN L191 SmtUtils]: Spent 8.82 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:12:55,345 WARN L191 SmtUtils]: Spent 18.15 s on a formula simplification. DAG size of input: 473 DAG size of output: 470 [2019-09-19 23:13:04,400 WARN L191 SmtUtils]: Spent 9.05 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-19 23:13:16,047 WARN L191 SmtUtils]: Spent 11.59 s on a formula simplification. DAG size of input: 462 DAG size of output: 457 [2019-09-19 23:13:21,509 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:13:27,513 WARN L191 SmtUtils]: Spent 5.95 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:13:32,981 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:13:46,875 WARN L191 SmtUtils]: Spent 13.89 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:13:52,288 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:14:06,154 WARN L191 SmtUtils]: Spent 13.86 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:14:11,587 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:14:23,921 WARN L191 SmtUtils]: Spent 12.31 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-19 23:14:24,262 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:14:24,411 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:14:24,649 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 23:14:24,893 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-19 23:14:25,296 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-19 23:14:25,737 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-19 23:14:25,853 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-09-19 23:14:26,113 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-19 23:14:26,223 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-09-19 23:14:26,451 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-19 23:14:26,735 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:14:26,888 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:14:27,075 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-09-19 23:14:27,219 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 23:14:27,461 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-19 23:14:27,825 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-19 23:14:28,175 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-19 23:14:28,462 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-19 23:14:28,742 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-19 23:14:29,068 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:14:29,216 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:14:55,741 WARN L191 SmtUtils]: Spent 26.34 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-19 23:15:04,555 WARN L191 SmtUtils]: Spent 8.81 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:15:22,735 WARN L191 SmtUtils]: Spent 18.15 s on a formula simplification. DAG size of input: 473 DAG size of output: 470 [2019-09-19 23:15:31,801 WARN L191 SmtUtils]: Spent 9.06 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-19 23:15:48,484 WARN L191 SmtUtils]: Spent 16.62 s on a formula simplification. DAG size of input: 462 DAG size of output: 457 [2019-09-19 23:15:54,033 WARN L191 SmtUtils]: Spent 5.55 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:15:59,513 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:16:05,005 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:16:18,962 WARN L191 SmtUtils]: Spent 13.95 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:16:24,431 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:16:38,397 WARN L191 SmtUtils]: Spent 13.96 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:16:43,872 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:16:56,200 WARN L191 SmtUtils]: Spent 12.30 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-19 23:16:56,699 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:17:23,558 WARN L191 SmtUtils]: Spent 26.49 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-19 23:17:32,398 WARN L191 SmtUtils]: Spent 8.84 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:17:50,601 WARN L191 SmtUtils]: Spent 18.18 s on a formula simplification. DAG size of input: 473 DAG size of output: 470 [2019-09-19 23:17:59,593 WARN L191 SmtUtils]: Spent 8.99 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-19 23:18:16,201 WARN L191 SmtUtils]: Spent 16.56 s on a formula simplification. DAG size of input: 462 DAG size of output: 457 [2019-09-19 23:18:21,701 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:18:27,190 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:18:32,743 WARN L191 SmtUtils]: Spent 5.55 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:18:46,579 WARN L191 SmtUtils]: Spent 13.83 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:18:52,020 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:19:06,017 WARN L191 SmtUtils]: Spent 14.00 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:19:11,556 WARN L191 SmtUtils]: Spent 5.54 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:19:23,899 WARN L191 SmtUtils]: Spent 12.33 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-19 23:19:24,230 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:19:24,378 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:19:24,652 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 23:19:24,895 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-19 23:19:25,248 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-19 23:19:25,596 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-19 23:19:25,860 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-19 23:19:26,151 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-19 23:19:26,450 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:19:32,149 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:19:37,589 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:19:43,110 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:19:48,615 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:20:06,538 WARN L191 SmtUtils]: Spent 17.91 s on a formula simplification. DAG size of input: 476 DAG size of output: 475 [2019-09-19 23:20:15,453 WARN L191 SmtUtils]: Spent 8.91 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-19 23:20:34,514 WARN L191 SmtUtils]: Spent 19.03 s on a formula simplification. DAG size of input: 487 DAG size of output: 487 [2019-09-19 23:20:43,917 WARN L191 SmtUtils]: Spent 9.40 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-19 23:20:55,993 WARN L191 SmtUtils]: Spent 11.99 s on a formula simplification. DAG size of input: 480 DAG size of output: 476