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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:01:03,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:01:03,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:01:03,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:01:03,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:01:03,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:01:03,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:01:03,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:01:03,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:01:03,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:01:03,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:01:03,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:01:03,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:01:03,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:01:03,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:01:03,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:01:03,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:01:03,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:01:03,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:01:03,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:01:03,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:01:03,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:01:03,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:01:03,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:01:03,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:01:03,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:01:03,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:01:03,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:01:03,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:01:03,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:01:03,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:01:03,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:01:03,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:01:03,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:01:03,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:01:03,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:01:03,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:01:03,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:01:03,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:01:03,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:01:03,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:01:03,779 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 23:01:03,801 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:01:03,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:01:03,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:01:03,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:01:03,804 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:01:03,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:01:03,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:01:03,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:01:03,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:01:03,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:01:03,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:01:03,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:01:03,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:01:03,806 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:01:03,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:01:03,807 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:01:03,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:01:03,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:01:03,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:01:03,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:01:03,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:01:03,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:01:03,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:01:03,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:01:03,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:01:03,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:01:03,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:01:03,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:01:03,809 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 23:01:03,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:01:03,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:01:03,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:01:03,888 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:01:03,888 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:01:03,889 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2019-09-19 23:01:03,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/580e68de3/6829c5edc1364c99806c70a606f93716/FLAG6bb85686f [2019-09-19 23:01:04,423 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:01:04,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2019-09-19 23:01:04,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/580e68de3/6829c5edc1364c99806c70a606f93716/FLAG6bb85686f [2019-09-19 23:01:04,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/580e68de3/6829c5edc1364c99806c70a606f93716 [2019-09-19 23:01:04,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:01:04,781 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:01:04,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:01:04,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:01:04,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:01:04,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:01:04" (1/1) ... [2019-09-19 23:01:04,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8d1e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:04, skipping insertion in model container [2019-09-19 23:01:04,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:01:04" (1/1) ... [2019-09-19 23:01:04,796 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:01:04,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:01:05,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:01:05,300 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:01:05,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:01:05,439 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:01:05,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:05 WrapperNode [2019-09-19 23:01:05,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:01:05,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:01:05,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:01:05,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:01:05,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:05" (1/1) ... [2019-09-19 23:01:05,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:05" (1/1) ... [2019-09-19 23:01:05,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:05" (1/1) ... [2019-09-19 23:01:05,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:05" (1/1) ... [2019-09-19 23:01:05,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:05" (1/1) ... [2019-09-19 23:01:05,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:05" (1/1) ... [2019-09-19 23:01:05,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:05" (1/1) ... [2019-09-19 23:01:05,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:01:05,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:01:05,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:01:05,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:01:05,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:05" (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 23:01:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:01:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:01:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:01:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:01:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:01:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:01:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:01:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:01:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:01:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 23:01:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-19 23:01:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-19 23:01:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:01:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:01:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:01:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:01:05,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:01:05,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:01:05,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:01:05,648 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:01:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:01:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 23:01:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 23:01:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:01:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:01:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:01:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:01:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:01:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:01:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 23:01:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 23:01:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:01:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:01:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:01:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:01:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:01:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:01:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:01:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:01:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:01:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:01:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:01:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:01:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:01:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:01:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:01:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:01:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:01:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:01:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 23:01:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:01:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:01:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:01:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-19 23:01:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-19 23:01:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:01:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:01:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:01:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:01:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:01:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:01:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:01:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:01:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:01:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:01:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:01:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:01:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:01:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:01:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:01:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:01:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 23:01:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:01:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:01:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:01:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:01:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:01:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:01:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:01:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 23:01:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 23:01:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 23:01:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:01:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:01:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:01:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:01:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:01:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:01:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:01:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:01:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:01:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:01:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:01:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:01:07,232 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:01:07,233 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:01:07,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:01:07 BoogieIcfgContainer [2019-09-19 23:01:07,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:01:07,235 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:01:07,235 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:01:07,235 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:01:07,236 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:01:07" (1/1) ... [2019-09-19 23:01:07,237 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 23:01:07,268 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:01:07,268 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:01:07,284 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:01:07,297 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:01:07,299 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:01:31,633 WARN L191 SmtUtils]: Spent 13.77 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 23:01:33,275 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:01:37,209 WARN L191 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 23:01:38,940 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 23:01:40,679 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 23:01:40,707 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 23:01:40,769 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 23:01:40,790 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 23:01:52,198 WARN L191 SmtUtils]: Spent 11.19 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:01:57,750 WARN L191 SmtUtils]: Spent 5.55 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:02:08,727 WARN L191 SmtUtils]: Spent 10.98 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:02:14,202 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:02:25,256 WARN L191 SmtUtils]: Spent 11.05 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:02:30,744 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:02:41,723 WARN L191 SmtUtils]: Spent 10.98 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:02:47,138 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:02:58,202 WARN L191 SmtUtils]: Spent 11.06 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:03:03,704 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:03:22,746 WARN L191 SmtUtils]: Spent 18.97 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-19 23:03:32,149 WARN L191 SmtUtils]: Spent 9.40 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:03:51,011 WARN L191 SmtUtils]: Spent 18.82 s on a formula simplification. DAG size of input: 475 DAG size of output: 472 [2019-09-19 23:04:00,412 WARN L191 SmtUtils]: Spent 9.40 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-19 23:04:18,757 WARN L191 SmtUtils]: Spent 17.34 s on a formula simplification. DAG size of input: 464 DAG size of output: 459 [2019-09-19 23:04:24,592 WARN L191 SmtUtils]: Spent 5.83 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:04:30,234 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:04:35,840 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:04:56,064 WARN L191 SmtUtils]: Spent 20.22 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:05:01,641 WARN L191 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:05:21,976 WARN L191 SmtUtils]: Spent 20.33 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:05:27,505 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:05:40,165 WARN L191 SmtUtils]: Spent 12.62 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-19 23:05:40,652 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:05:40,802 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:05:40,991 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-09-19 23:05:41,138 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 23:05:41,386 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-19 23:05:41,767 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-19 23:05:42,111 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-19 23:05:42,371 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-19 23:05:42,647 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-19 23:05:42,964 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:05:43,116 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:06:01,543 WARN L191 SmtUtils]: Spent 18.21 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-19 23:06:10,628 WARN L191 SmtUtils]: Spent 9.08 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:06:29,351 WARN L191 SmtUtils]: Spent 18.68 s on a formula simplification. DAG size of input: 475 DAG size of output: 472 [2019-09-19 23:06:38,656 WARN L191 SmtUtils]: Spent 9.30 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-19 23:06:55,998 WARN L191 SmtUtils]: Spent 17.28 s on a formula simplification. DAG size of input: 464 DAG size of output: 459 [2019-09-19 23:07:01,665 WARN L191 SmtUtils]: Spent 5.67 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:07:07,307 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:07:12,913 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:07:25,730 WARN L191 SmtUtils]: Spent 12.82 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:07:31,310 WARN L191 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:07:44,115 WARN L191 SmtUtils]: Spent 12.80 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:07:49,681 WARN L191 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:08:02,330 WARN L191 SmtUtils]: Spent 12.63 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-19 23:08:02,654 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:08:02,807 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:08:03,089 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 23:08:03,336 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-19 23:08:03,749 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-19 23:08:03,852 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-19 23:08:04,117 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-19 23:08:04,373 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-19 23:08:04,654 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-19 23:08:05,124 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:08:05,397 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 23:08:05,646 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-19 23:08:06,002 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-19 23:08:06,362 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-19 23:08:06,639 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-19 23:08:06,917 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-19 23:08:07,219 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:08:07,372 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:08:25,981 WARN L191 SmtUtils]: Spent 18.42 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-19 23:08:35,127 WARN L191 SmtUtils]: Spent 9.14 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:08:53,803 WARN L191 SmtUtils]: Spent 18.65 s on a formula simplification. DAG size of input: 475 DAG size of output: 472 [2019-09-19 23:09:03,133 WARN L191 SmtUtils]: Spent 9.33 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-19 23:09:20,598 WARN L191 SmtUtils]: Spent 17.41 s on a formula simplification. DAG size of input: 464 DAG size of output: 459 [2019-09-19 23:09:26,309 WARN L191 SmtUtils]: Spent 5.71 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:09:31,922 WARN L191 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:09:37,513 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:09:50,246 WARN L191 SmtUtils]: Spent 12.73 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:09:55,837 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:10:08,576 WARN L191 SmtUtils]: Spent 12.74 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:10:14,143 WARN L191 SmtUtils]: Spent 5.57 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:10:26,829 WARN L191 SmtUtils]: Spent 12.65 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-19 23:10:27,148 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:10:27,302 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:10:45,864 WARN L191 SmtUtils]: Spent 18.16 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-19 23:10:54,968 WARN L191 SmtUtils]: Spent 9.10 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:11:13,710 WARN L191 SmtUtils]: Spent 18.72 s on a formula simplification. DAG size of input: 475 DAG size of output: 472 [2019-09-19 23:11:23,100 WARN L191 SmtUtils]: Spent 9.39 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-19 23:11:40,318 WARN L191 SmtUtils]: Spent 17.17 s on a formula simplification. DAG size of input: 464 DAG size of output: 459 [2019-09-19 23:11:45,997 WARN L191 SmtUtils]: Spent 5.68 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:11:51,540 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:11:57,096 WARN L191 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:12:09,876 WARN L191 SmtUtils]: Spent 12.78 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:12:15,396 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:12:28,184 WARN L191 SmtUtils]: Spent 12.79 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:12:33,702 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:12:46,388 WARN L191 SmtUtils]: Spent 12.66 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-19 23:12:46,687 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:12:46,843 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:12:47,135 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 23:12:47,380 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-19 23:12:47,643 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-19 23:12:47,984 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-19 23:12:48,237 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-19 23:12:48,514 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-19 23:12:48,815 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:12:48,966 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-19 23:12:54,674 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:13:00,292 WARN L191 SmtUtils]: Spent 5.62 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:13:05,990 WARN L191 SmtUtils]: Spent 5.70 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:13:11,642 WARN L191 SmtUtils]: Spent 5.65 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:13:30,058 WARN L191 SmtUtils]: Spent 18.40 s on a formula simplification. DAG size of input: 476 DAG size of output: 475 [2019-09-19 23:13:39,211 WARN L191 SmtUtils]: Spent 9.15 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-19 23:13:58,523 WARN L191 SmtUtils]: Spent 19.28 s on a formula simplification. DAG size of input: 487 DAG size of output: 487 [2019-09-19 23:14:08,133 WARN L191 SmtUtils]: Spent 9.61 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-19 23:14:20,212 WARN L191 SmtUtils]: Spent 12.01 s on a formula simplification. DAG size of input: 480 DAG size of output: 476