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_spec5_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 14:59:56,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 14:59:56,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 14:59:56,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 14:59:56,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 14:59:56,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 14:59:56,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 14:59:56,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 14:59:56,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 14:59:56,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 14:59:56,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 14:59:56,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 14:59:56,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 14:59:56,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 14:59:56,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 14:59:56,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 14:59:56,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 14:59:56,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 14:59:56,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 14:59:56,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 14:59:56,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 14:59:56,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 14:59:56,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 14:59:56,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 14:59:56,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 14:59:56,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 14:59:56,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 14:59:56,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 14:59:56,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 14:59:56,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 14:59:56,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 14:59:56,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 14:59:56,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 14:59:56,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 14:59:56,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 14:59:56,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 14:59:56,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 14:59:56,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 14:59:56,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 14:59:56,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 14:59:56,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 14:59:56,674 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 14:59:56,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 14:59:56,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 14:59:56,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 14:59:56,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 14:59:56,706 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 14:59:56,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 14:59:56,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 14:59:56,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 14:59:56,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 14:59:56,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 14:59:56,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 14:59:56,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 14:59:56,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 14:59:56,708 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 14:59:56,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 14:59:56,708 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 14:59:56,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 14:59:56,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 14:59:56,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 14:59:56,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 14:59:56,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 14:59:56,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 14:59:56,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 14:59:56,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 14:59:56,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 14:59:56,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 14:59:56,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 14:59:56,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 14:59:56,713 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 14:59:56,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 14:59:56,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 14:59:56,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 14:59:56,797 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 14:59:56,797 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 14:59:56,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2019-09-18 14:59:56,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1d5d337/990983d3df62480da3ed865ca294c47d/FLAG8a1897513 [2019-09-18 14:59:57,395 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 14:59:57,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2019-09-18 14:59:57,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1d5d337/990983d3df62480da3ed865ca294c47d/FLAG8a1897513 [2019-09-18 14:59:57,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1d5d337/990983d3df62480da3ed865ca294c47d [2019-09-18 14:59:57,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 14:59:57,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 14:59:57,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 14:59:57,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 14:59:57,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 14:59:57,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:59:57" (1/1) ... [2019-09-18 14:59:57,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0db5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:59:57, skipping insertion in model container [2019-09-18 14:59:57,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:59:57" (1/1) ... [2019-09-18 14:59:57,739 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 14:59:57,819 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 14:59:58,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:59:58,349 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 14:59:58,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:59:58,488 INFO L192 MainTranslator]: Completed translation [2019-09-18 14:59:58,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:59:58 WrapperNode [2019-09-18 14:59:58,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 14:59:58,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 14:59:58,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 14:59:58,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 14:59:58,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:59:58" (1/1) ... [2019-09-18 14:59:58,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:59:58" (1/1) ... [2019-09-18 14:59:58,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:59:58" (1/1) ... [2019-09-18 14:59:58,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:59:58" (1/1) ... [2019-09-18 14:59:58,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:59:58" (1/1) ... [2019-09-18 14:59:58,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:59:58" (1/1) ... [2019-09-18 14:59:58,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:59:58" (1/1) ... [2019-09-18 14:59:58,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 14:59:58,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 14:59:58,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 14:59:58,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 14:59:58,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:59:58" (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 14:59:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 14:59:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 14:59:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 14:59:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 14:59:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 14:59:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 14:59:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:59:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 14:59:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 14:59:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 14:59:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 14:59:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 14:59:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 14:59:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 14:59:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 14:59:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 14:59:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 14:59:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 14:59:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 14:59:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 14:59:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 14:59:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 14:59:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 14:59:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 14:59:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 14:59:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 14:59:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 14:59:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 14:59:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 14:59:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 14:59:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 14:59:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-18 14:59:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-18 14:59:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-18 14:59:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 14:59:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 14:59:58,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 14:59:58,652 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 14:59:58,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 14:59:58,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 14:59:58,652 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 14:59:58,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 14:59:58,652 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 14:59:58,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 14:59:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 14:59:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 14:59:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 14:59:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 14:59:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 14:59:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 14:59:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 14:59:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 14:59:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 14:59:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 14:59:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 14:59:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 14:59:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 14:59:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 14:59:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 14:59:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 14:59:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 14:59:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-18 14:59:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-18 14:59:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 14:59:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 14:59:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 14:59:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:59:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 14:59:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 14:59:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 14:59:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 14:59:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 14:59:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 14:59:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 14:59:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 14:59:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 14:59:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 14:59:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 14:59:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 14:59:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 14:59:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 14:59:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 14:59:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 14:59:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 14:59:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 14:59:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 14:59:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 14:59:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 14:59:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 14:59:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 14:59:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-18 14:59:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 14:59:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 14:59:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 14:59:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 14:59:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 14:59:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 14:59:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 14:59:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 14:59:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 14:59:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 14:59:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 14:59:59,917 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 14:59:59,917 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 14:59:59,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:59:59 BoogieIcfgContainer [2019-09-18 14:59:59,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 14:59:59,921 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 14:59:59,921 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 14:59:59,922 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 14:59:59,923 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:59:59" (1/1) ... [2019-09-18 14:59:59,924 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 14:59:59,951 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 14:59:59,951 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 14:59:59,962 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 14:59:59,971 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 14:59:59,972 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 15:00:00,516 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-18 15:00:00,688 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-18 15:00:01,004 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-18 15:00:01,247 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-09-18 15:00:01,693 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 120 [2019-09-18 15:00:02,187 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 117 [2019-09-18 15:00:02,771 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 139 [2019-09-18 15:00:03,298 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2019-09-18 15:00:04,111 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 161 [2019-09-18 15:00:04,817 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 160 [2019-09-18 15:00:05,815 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 180 [2019-09-18 15:00:06,530 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 175 [2019-09-18 15:00:07,829 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 226 DAG size of output: 199 [2019-09-18 15:00:08,782 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 196 [2019-09-18 15:00:10,344 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 253 DAG size of output: 209 [2019-09-18 15:00:11,419 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 206 [2019-09-18 15:00:13,440 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 299 DAG size of output: 242 [2019-09-18 15:00:14,661 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 273 DAG size of output: 237 [2019-09-18 15:00:17,356 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 327 DAG size of output: 269 [2019-09-18 15:00:17,565 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 15:00:19,006 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 319 DAG size of output: 270 [2019-09-18 15:00:19,429 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 15:00:21,962 WARN L191 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 339 DAG size of output: 287 [2019-09-18 15:00:23,686 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 332 DAG size of output: 284 [2019-09-18 15:00:23,967 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 15:00:25,903 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 379 DAG size of output: 306 [2019-09-18 15:00:27,798 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 339 DAG size of output: 301 [2019-09-18 15:00:28,648 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 15:00:32,335 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 437 DAG size of output: 315 [2019-09-18 15:00:34,333 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 363 DAG size of output: 310 [2019-09-18 15:00:35,406 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-18 15:00:39,904 WARN L191 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 504 DAG size of output: 324 [2019-09-18 15:00:42,028 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 365 DAG size of output: 319 [2019-09-18 15:00:43,331 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-09-18 15:00:48,570 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification. DAG size of input: 559 DAG size of output: 332 [2019-09-18 15:00:48,882 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 15:00:50,920 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 389 DAG size of output: 329 [2019-09-18 15:00:52,646 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-09-18 15:00:58,942 WARN L191 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 631 DAG size of output: 342 [2019-09-18 15:00:59,292 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 15:01:01,505 WARN L191 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 404 DAG size of output: 339 [2019-09-18 15:01:03,644 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-18 15:01:11,464 WARN L191 SmtUtils]: Spent 7.81 s on a formula simplification. DAG size of input: 704 DAG size of output: 352 [2019-09-18 15:01:11,793 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 15:01:14,167 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 418 DAG size of output: 349 [2019-09-18 15:01:16,935 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 15:01:25,448 WARN L191 SmtUtils]: Spent 8.50 s on a formula simplification. DAG size of input: 735 DAG size of output: 362 [2019-09-18 15:01:25,856 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 15:01:28,511 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 419 DAG size of output: 361 [2019-09-18 15:01:30,396 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 557 [2019-09-18 15:01:37,127 WARN L191 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 791 DAG size of output: 374 [2019-09-18 15:01:37,550 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 15:01:40,465 WARN L191 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 451 DAG size of output: 373 [2019-09-18 15:01:44,328 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 631 [2019-09-18 15:01:56,671 WARN L191 SmtUtils]: Spent 12.33 s on a formula simplification. DAG size of input: 875 DAG size of output: 387 [2019-09-18 15:01:57,094 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 15:02:00,109 WARN L191 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 458 DAG size of output: 382 [2019-09-18 15:02:04,892 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 717 [2019-09-18 15:02:19,341 WARN L191 SmtUtils]: Spent 14.43 s on a formula simplification. DAG size of input: 1019 DAG size of output: 395 [2019-09-18 15:02:19,931 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 15:02:23,222 WARN L191 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 482 DAG size of output: 396 [2019-09-18 15:02:28,948 WARN L191 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 795 [2019-09-18 15:02:45,275 WARN L191 SmtUtils]: Spent 16.31 s on a formula simplification. DAG size of input: 1037 DAG size of output: 409 [2019-09-18 15:02:45,842 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 15:02:49,493 WARN L191 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 476 DAG size of output: 410 [2019-09-18 15:02:56,248 WARN L191 SmtUtils]: Spent 3.32 s on a formula simplification that was a NOOP. DAG size: 877 [2019-09-18 15:03:14,652 WARN L191 SmtUtils]: Spent 18.37 s on a formula simplification. DAG size of input: 1135 DAG size of output: 423 [2019-09-18 15:03:15,227 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 15:03:18,953 WARN L191 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 509 DAG size of output: 420 [2019-09-18 15:03:20,772 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 15:03:22,569 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 15:03:22,580 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-18 15:03:22,642 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-18 15:03:22,655 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-18 15:03:33,817 WARN L191 SmtUtils]: Spent 11.01 s on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-09-18 15:03:39,094 WARN L191 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 15:03:49,770 WARN L191 SmtUtils]: Spent 10.67 s on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-09-18 15:03:55,001 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 15:04:21,783 WARN L191 SmtUtils]: Spent 26.65 s on a formula simplification. DAG size of input: 463 DAG size of output: 461 [2019-09-18 15:04:30,687 WARN L191 SmtUtils]: Spent 8.90 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 15:04:57,648 WARN L191 SmtUtils]: Spent 26.94 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-18 15:05:06,670 WARN L191 SmtUtils]: Spent 9.02 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 15:05:33,723 WARN L191 SmtUtils]: Spent 27.05 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-18 15:05:42,631 WARN L191 SmtUtils]: Spent 8.91 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 15:06:01,473 WARN L191 SmtUtils]: Spent 18.84 s on a formula simplification. DAG size of input: 474 DAG size of output: 471 [2019-09-18 15:06:10,681 WARN L191 SmtUtils]: Spent 9.21 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 15:06:29,470 WARN L191 SmtUtils]: Spent 18.79 s on a formula simplification. DAG size of input: 479 DAG size of output: 472 [2019-09-18 15:06:38,882 WARN L191 SmtUtils]: Spent 9.41 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 15:06:51,985 WARN L191 SmtUtils]: Spent 11.77 s on a formula simplification. DAG size of input: 481 DAG size of output: 465 [2019-09-18 15:06:58,071 WARN L191 SmtUtils]: Spent 6.09 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 15:07:13,197 WARN L191 SmtUtils]: Spent 15.10 s on a formula simplification. DAG size of input: 473 DAG size of output: 472 [2019-09-18 15:07:20,672 WARN L191 SmtUtils]: Spent 7.47 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 15:07:45,767 WARN L191 SmtUtils]: Spent 24.99 s on a formula simplification. DAG size of input: 476 DAG size of output: 476 [2019-09-18 15:07:58,231 WARN L191 SmtUtils]: Spent 12.46 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 15:08:23,050 WARN L191 SmtUtils]: Spent 24.82 s on a formula simplification. DAG size of input: 476 DAG size of output: 476 [2019-09-18 15:08:35,512 WARN L191 SmtUtils]: Spent 12.46 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 15:08:45,528 WARN L191 SmtUtils]: Spent 9.79 s on a formula simplification. DAG size of input: 489 DAG size of output: 451 [2019-09-18 15:08:47,548 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 15:09:00,293 WARN L191 SmtUtils]: Spent 12.72 s on a formula simplification. DAG size of input: 484 DAG size of output: 454 [2019-09-18 15:09:05,715 WARN L191 SmtUtils]: Spent 5.42 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 15:09:18,435 WARN L191 SmtUtils]: Spent 12.72 s on a formula simplification. DAG size of input: 484 DAG size of output: 454 [2019-09-18 15:09:23,868 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 15:09:37,743 WARN L191 SmtUtils]: Spent 13.87 s on a formula simplification. DAG size of input: 461 DAG size of output: 458 [2019-09-18 15:09:44,649 WARN L191 SmtUtils]: Spent 6.90 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 15:09:58,536 WARN L191 SmtUtils]: Spent 13.88 s on a formula simplification. DAG size of input: 463 DAG size of output: 460 [2019-09-18 15:10:05,828 WARN L191 SmtUtils]: Spent 7.29 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 15:10:20,995 WARN L191 SmtUtils]: Spent 14.67 s on a formula simplification. DAG size of input: 472 DAG size of output: 462 [2019-09-18 15:10:28,104 WARN L191 SmtUtils]: Spent 7.11 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 15:10:49,017 WARN L191 SmtUtils]: Spent 20.88 s on a formula simplification. DAG size of input: 481 DAG size of output: 469 [2019-09-18 15:10:57,771 WARN L191 SmtUtils]: Spent 8.75 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-18 15:11:19,004 WARN L191 SmtUtils]: Spent 21.15 s on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2019-09-18 15:11:29,629 WARN L191 SmtUtils]: Spent 10.62 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 15:11:50,916 WARN L191 SmtUtils]: Spent 21.29 s on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2019-09-18 15:12:01,558 WARN L191 SmtUtils]: Spent 10.64 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 15:12:09,762 WARN L191 SmtUtils]: Spent 8.06 s on a formula simplification. DAG size of input: 489 DAG size of output: 451 [2019-09-18 15:12:11,786 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 15:12:19,807 WARN L191 SmtUtils]: Spent 7.99 s on a formula simplification. DAG size of input: 485 DAG size of output: 452 [2019-09-18 15:12:21,858 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 15:12:29,846 WARN L191 SmtUtils]: Spent 7.99 s on a formula simplification. DAG size of input: 485 DAG size of output: 452 [2019-09-18 15:12:31,942 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 15:12:43,098 WARN L191 SmtUtils]: Spent 11.15 s on a formula simplification. DAG size of input: 457 DAG size of output: 454 [2019-09-18 15:12:48,584 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 15:12:59,975 WARN L191 SmtUtils]: Spent 11.39 s on a formula simplification. DAG size of input: 459 DAG size of output: 456 [2019-09-18 15:13:05,616 WARN L191 SmtUtils]: Spent 5.64 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 15:13:16,871 WARN L191 SmtUtils]: Spent 11.24 s on a formula simplification. DAG size of input: 468 DAG size of output: 458