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_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 12:31:29,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 12:31:29,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 12:31:29,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 12:31:29,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 12:31:29,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 12:31:29,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 12:31:29,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 12:31:29,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 12:31:29,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 12:31:29,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 12:31:29,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 12:31:29,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 12:31:29,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 12:31:29,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 12:31:29,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 12:31:29,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 12:31:29,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 12:31:29,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 12:31:29,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 12:31:29,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 12:31:29,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 12:31:29,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 12:31:29,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 12:31:29,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 12:31:29,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 12:31:29,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 12:31:29,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 12:31:29,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 12:31:29,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 12:31:29,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 12:31:29,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 12:31:29,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 12:31:29,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 12:31:29,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 12:31:29,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 12:31:29,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 12:31:29,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 12:31:29,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 12:31:29,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 12:31:29,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 12:31:29,594 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 12:31:29,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 12:31:29,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 12:31:29,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 12:31:29,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 12:31:29,616 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 12:31:29,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 12:31:29,616 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 12:31:29,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 12:31:29,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 12:31:29,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 12:31:29,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 12:31:29,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 12:31:29,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 12:31:29,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 12:31:29,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 12:31:29,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 12:31:29,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 12:31:29,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 12:31:29,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 12:31:29,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 12:31:29,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 12:31:29,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 12:31:29,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 12:31:29,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 12:31:29,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 12:31:29,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 12:31:29,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 12:31:29,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 12:31:29,621 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 12:31:29,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 12:31:29,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 12:31:29,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 12:31:29,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 12:31:29,686 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 12:31:29,686 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-09-18 12:31:29,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ad5e4313/fcd97bdb58b14a089bb5940add274a5f/FLAG1c72aa84a [2019-09-18 12:31:30,283 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 12:31:30,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-09-18 12:31:30,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ad5e4313/fcd97bdb58b14a089bb5940add274a5f/FLAG1c72aa84a [2019-09-18 12:31:30,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ad5e4313/fcd97bdb58b14a089bb5940add274a5f [2019-09-18 12:31:30,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 12:31:30,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 12:31:30,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 12:31:30,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 12:31:30,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 12:31:30,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:31:30" (1/1) ... [2019-09-18 12:31:30,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@869f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:31:30, skipping insertion in model container [2019-09-18 12:31:30,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:31:30" (1/1) ... [2019-09-18 12:31:30,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 12:31:30,647 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 12:31:31,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:31:31,079 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 12:31:31,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:31:31,256 INFO L192 MainTranslator]: Completed translation [2019-09-18 12:31:31,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:31:31 WrapperNode [2019-09-18 12:31:31,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 12:31:31,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 12:31:31,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 12:31:31,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 12:31:31,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:31:31" (1/1) ... [2019-09-18 12:31:31,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:31:31" (1/1) ... [2019-09-18 12:31:31,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:31:31" (1/1) ... [2019-09-18 12:31:31,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:31:31" (1/1) ... [2019-09-18 12:31:31,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:31:31" (1/1) ... [2019-09-18 12:31:31,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:31:31" (1/1) ... [2019-09-18 12:31:31,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:31:31" (1/1) ... [2019-09-18 12:31:31,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 12:31:31,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 12:31:31,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 12:31:31,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 12:31:31,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:31:31" (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 12:31:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 12:31:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 12:31:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 12:31:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 12:31:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 12:31:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 12:31:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 12:31:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 12:31:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 12:31:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 12:31:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 12:31:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 12:31:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 12:31:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 12:31:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 12:31:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 12:31:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 12:31:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 12:31:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 12:31:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 12:31:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 12:31:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 12:31:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 12:31:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 12:31:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 12:31:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 12:31:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 12:31:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 12:31:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 12:31:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 12:31:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-18 12:31:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 12:31:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 12:31:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 12:31:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 12:31:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 12:31:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 12:31:31,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 12:31:31,415 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 12:31:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 12:31:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 12:31:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 12:31:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 12:31:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 12:31:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 12:31:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 12:31:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 12:31:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 12:31:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 12:31:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 12:31:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 12:31:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 12:31:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 12:31:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 12:31:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 12:31:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 12:31:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 12:31:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 12:31:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 12:31:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 12:31:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 12:31:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 12:31:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 12:31:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 12:31:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 12:31:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 12:31:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 12:31:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 12:31:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 12:31:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 12:31:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 12:31:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 12:31:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 12:31:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 12:31:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 12:31:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 12:31:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 12:31:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-18 12:31:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 12:31:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 12:31:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 12:31:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 12:31:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 12:31:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 12:31:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 12:31:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 12:31:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 12:31:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 12:31:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 12:31:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 12:31:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 12:31:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 12:31:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 12:31:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 12:31:32,616 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 12:31:32,616 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 12:31:32,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:31:32 BoogieIcfgContainer [2019-09-18 12:31:32,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 12:31:32,618 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 12:31:32,618 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 12:31:32,619 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 12:31:32,620 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:31:32" (1/1) ... [2019-09-18 12:31:32,620 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 12:31:32,656 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 12:31:32,656 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 12:31:32,678 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 12:31:32,690 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 12:31:32,692 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 12:31:33,289 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-18 12:31:33,434 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-18 12:31:33,667 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-18 12:31:33,876 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-18 12:31:34,154 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-18 12:31:34,392 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-18 12:31:34,755 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-18 12:31:35,037 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2019-09-18 12:31:35,510 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2019-09-18 12:31:35,932 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 85 [2019-09-18 12:31:36,638 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2019-09-18 12:31:37,144 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2019-09-18 12:31:38,012 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 111 [2019-09-18 12:31:38,513 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 106 [2019-09-18 12:31:38,839 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 12:31:39,761 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 119 [2019-09-18 12:31:39,942 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 12:31:40,481 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 120 [2019-09-18 12:31:40,877 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-18 12:31:41,979 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 243 DAG size of output: 133 [2019-09-18 12:31:42,156 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 12:31:42,818 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 134 [2019-09-18 12:31:43,222 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-18 12:31:44,288 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 291 DAG size of output: 147 [2019-09-18 12:31:45,176 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2019-09-18 12:31:45,837 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2019-09-18 12:31:47,683 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 334 DAG size of output: 162 [2019-09-18 12:31:48,653 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 157 [2019-09-18 12:31:49,471 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-09-18 12:31:51,761 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 368 DAG size of output: 171 [2019-09-18 12:31:52,828 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 166 [2019-09-18 12:31:53,937 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-09-18 12:31:57,079 WARN L191 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 460 DAG size of output: 212 [2019-09-18 12:31:58,444 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 255 DAG size of output: 207 [2019-09-18 12:31:59,858 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-09-18 12:32:03,715 WARN L191 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 517 DAG size of output: 239 [2019-09-18 12:32:05,276 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 280 DAG size of output: 234 [2019-09-18 12:32:07,011 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 12:32:11,844 WARN L191 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 596 DAG size of output: 258 [2019-09-18 12:32:13,597 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 303 DAG size of output: 253 [2019-09-18 12:32:15,205 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-18 12:32:19,194 WARN L191 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 690 DAG size of output: 277 [2019-09-18 12:32:19,614 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 12:32:21,376 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 337 DAG size of output: 274 [2019-09-18 12:32:23,988 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 565 [2019-09-18 12:32:30,928 WARN L191 SmtUtils]: Spent 6.92 s on a formula simplification. DAG size of input: 752 DAG size of output: 287 [2019-09-18 12:32:31,286 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 12:32:33,246 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 346 DAG size of output: 284 [2019-09-18 12:32:36,397 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 623 [2019-09-18 12:32:44,131 WARN L191 SmtUtils]: Spent 7.71 s on a formula simplification. DAG size of input: 813 DAG size of output: 305 [2019-09-18 12:32:44,502 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 12:32:46,558 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 369 DAG size of output: 300 [2019-09-18 12:32:49,168 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 681 [2019-09-18 12:32:55,332 WARN L191 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 919 DAG size of output: 326 [2019-09-18 12:32:55,751 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 12:32:58,089 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 391 DAG size of output: 323 [2019-09-18 12:33:02,437 WARN L191 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 739 [2019-09-18 12:33:12,975 WARN L191 SmtUtils]: Spent 10.51 s on a formula simplification. DAG size of input: 887 DAG size of output: 359 [2019-09-18 12:33:13,450 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 12:33:16,247 WARN L191 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 440 DAG size of output: 358 [2019-09-18 12:33:21,210 WARN L191 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 797 [2019-09-18 12:33:34,686 WARN L191 SmtUtils]: Spent 13.45 s on a formula simplification. DAG size of input: 1013 DAG size of output: 378 [2019-09-18 12:33:35,176 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 12:33:38,230 WARN L191 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 459 DAG size of output: 375 [2019-09-18 12:33:44,277 WARN L191 SmtUtils]: Spent 3.26 s on a formula simplification that was a NOOP. DAG size: 855 [2019-09-18 12:34:00,083 WARN L191 SmtUtils]: Spent 15.78 s on a formula simplification. DAG size of input: 1117 DAG size of output: 400 [2019-09-18 12:34:00,670 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 12:34:04,228 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 493 DAG size of output: 401 [2019-09-18 12:34:11,232 WARN L191 SmtUtils]: Spent 3.72 s on a formula simplification that was a NOOP. DAG size: 913 [2019-09-18 12:34:29,995 WARN L191 SmtUtils]: Spent 18.73 s on a formula simplification. DAG size of input: 1082 DAG size of output: 418 [2019-09-18 12:34:30,565 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 12:34:34,190 WARN L191 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 493 DAG size of output: 415 [2019-09-18 12:34:37,677 WARN L191 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2019-09-18 12:34:39,379 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 12:34:39,389 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 12:34:39,437 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 12:34:39,441 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 12:34:50,954 WARN L191 SmtUtils]: Spent 11.46 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 12:34:56,542 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 12:35:24,478 WARN L191 SmtUtils]: Spent 27.87 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 12:35:33,812 WARN L191 SmtUtils]: Spent 9.33 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 12:35:46,411 WARN L191 SmtUtils]: Spent 11.56 s on a formula simplification. DAG size of input: 470 DAG size of output: 459 [2019-09-18 12:35:51,959 WARN L191 SmtUtils]: Spent 5.55 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 12:35:59,363 WARN L191 SmtUtils]: Spent 7.38 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 12:36:06,636 WARN L191 SmtUtils]: Spent 7.27 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 12:36:25,308 WARN L191 SmtUtils]: Spent 18.62 s on a formula simplification. DAG size of input: 471 DAG size of output: 470 [2019-09-18 12:36:34,621 WARN L191 SmtUtils]: Spent 9.31 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-18 12:37:04,147 WARN L191 SmtUtils]: Spent 29.47 s on a formula simplification. DAG size of input: 487 DAG size of output: 483 [2019-09-18 12:37:18,696 WARN L191 SmtUtils]: Spent 14.55 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-18 12:37:30,517 WARN L191 SmtUtils]: Spent 11.63 s on a formula simplification. DAG size of input: 473 DAG size of output: 457 [2019-09-18 12:37:36,267 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 12:37:50,727 WARN L191 SmtUtils]: Spent 14.44 s on a formula simplification. DAG size of input: 470 DAG size of output: 462 [2019-09-18 12:37:57,966 WARN L191 SmtUtils]: Spent 7.24 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 12:38:16,484 WARN L191 SmtUtils]: Spent 18.47 s on a formula simplification. DAG size of input: 469 DAG size of output: 468 [2019-09-18 12:38:25,707 WARN L191 SmtUtils]: Spent 9.22 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 12:38:55,241 WARN L191 SmtUtils]: Spent 29.49 s on a formula simplification. DAG size of input: 487 DAG size of output: 483 [2019-09-18 12:39:09,942 WARN L191 SmtUtils]: Spent 14.70 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-18 12:39:21,593 WARN L191 SmtUtils]: Spent 11.58 s on a formula simplification. DAG size of input: 473 DAG size of output: 457 [2019-09-18 12:39:27,277 WARN L191 SmtUtils]: Spent 5.68 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 12:39:45,877 WARN L191 SmtUtils]: Spent 18.48 s on a formula simplification. DAG size of input: 469 DAG size of output: 468 [2019-09-18 12:39:55,070 WARN L191 SmtUtils]: Spent 9.19 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 12:40:14,077 WARN L191 SmtUtils]: Spent 19.00 s on a formula simplification. DAG size of input: 469 DAG size of output: 468 [2019-09-18 12:40:23,357 WARN L191 SmtUtils]: Spent 9.28 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 12:40:41,901 WARN L191 SmtUtils]: Spent 18.54 s on a formula simplification. DAG size of input: 469 DAG size of output: 468 [2019-09-18 12:40:51,166 WARN L191 SmtUtils]: Spent 9.26 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 12:41:35,377 WARN L191 SmtUtils]: Spent 44.15 s on a formula simplification. DAG size of input: 487 DAG size of output: 483 [2019-09-18 12:41:50,133 WARN L191 SmtUtils]: Spent 14.75 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-18 12:42:09,581 WARN L191 SmtUtils]: Spent 19.34 s on a formula simplification. DAG size of input: 505 DAG size of output: 479 [2019-09-18 12:42:19,042 WARN L191 SmtUtils]: Spent 9.46 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 12:42:30,675 WARN L191 SmtUtils]: Spent 11.57 s on a formula simplification. DAG size of input: 475 DAG size of output: 466 [2019-09-18 12:42:36,586 WARN L191 SmtUtils]: Spent 5.91 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 12:43:00,078 WARN L191 SmtUtils]: Spent 23.43 s on a formula simplification. DAG size of input: 481 DAG size of output: 477 [2019-09-18 12:43:07,967 WARN L191 SmtUtils]: Spent 7.89 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 12:43:27,098 WARN L191 SmtUtils]: Spent 19.07 s on a formula simplification. DAG size of input: 485 DAG size of output: 462 [2019-09-18 12:43:32,771 WARN L191 SmtUtils]: Spent 5.67 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 12:43:50,422 WARN L191 SmtUtils]: Spent 17.63 s on a formula simplification. DAG size of input: 489 DAG size of output: 473 [2019-09-18 12:43:56,172 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-18 12:44:08,385 WARN L191 SmtUtils]: Spent 12.17 s on a formula simplification. DAG size of input: 477 DAG size of output: 476 [2019-09-18 12:44:14,462 WARN L191 SmtUtils]: Spent 6.08 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 12:44:31,070 WARN L191 SmtUtils]: Spent 16.53 s on a formula simplification. DAG size of input: 496 DAG size of output: 493 [2019-09-18 12:44:39,341 WARN L191 SmtUtils]: Spent 8.27 s on a formula simplification that was a NOOP. DAG size: 493