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_spec2_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 13:10:00,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 13:10:00,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 13:10:00,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 13:10:00,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 13:10:00,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 13:10:00,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 13:10:00,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 13:10:00,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 13:10:00,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 13:10:00,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 13:10:00,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 13:10:00,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 13:10:00,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 13:10:00,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 13:10:00,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 13:10:00,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 13:10:00,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 13:10:00,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 13:10:00,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 13:10:00,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 13:10:00,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 13:10:00,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 13:10:00,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 13:10:00,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 13:10:00,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 13:10:00,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 13:10:00,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 13:10:00,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 13:10:00,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 13:10:00,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 13:10:00,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 13:10:00,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 13:10:00,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 13:10:00,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 13:10:00,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 13:10:00,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 13:10:00,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 13:10:00,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 13:10:00,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 13:10:00,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 13:10:00,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 13:10:00,172 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 13:10:00,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 13:10:00,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 13:10:00,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 13:10:00,174 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 13:10:00,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 13:10:00,174 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 13:10:00,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 13:10:00,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 13:10:00,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 13:10:00,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 13:10:00,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 13:10:00,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 13:10:00,176 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 13:10:00,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 13:10:00,176 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 13:10:00,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 13:10:00,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 13:10:00,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 13:10:00,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 13:10:00,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 13:10:00,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 13:10:00,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 13:10:00,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 13:10:00,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 13:10:00,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 13:10:00,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 13:10:00,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 13:10:00,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 13:10:00,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 13:10:00,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 13:10:00,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 13:10:00,228 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 13:10:00,228 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 13:10:00,229 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2019-09-18 13:10:00,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d6096d88/148f32e6aea949aaa1b57c02663b28a0/FLAG23fdd4c1a [2019-09-18 13:10:00,790 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 13:10:00,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2019-09-18 13:10:00,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d6096d88/148f32e6aea949aaa1b57c02663b28a0/FLAG23fdd4c1a [2019-09-18 13:10:01,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d6096d88/148f32e6aea949aaa1b57c02663b28a0 [2019-09-18 13:10:01,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 13:10:01,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 13:10:01,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 13:10:01,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 13:10:01,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 13:10:01,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:10:01" (1/1) ... [2019-09-18 13:10:01,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a67fb1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:10:01, skipping insertion in model container [2019-09-18 13:10:01,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:10:01" (1/1) ... [2019-09-18 13:10:01,173 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 13:10:01,213 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 13:10:01,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:10:01,647 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 13:10:01,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:10:01,825 INFO L192 MainTranslator]: Completed translation [2019-09-18 13:10:01,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:10:01 WrapperNode [2019-09-18 13:10:01,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 13:10:01,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 13:10:01,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 13:10:01,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 13:10:01,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:10:01" (1/1) ... [2019-09-18 13:10:01,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:10:01" (1/1) ... [2019-09-18 13:10:01,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:10:01" (1/1) ... [2019-09-18 13:10:01,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:10:01" (1/1) ... [2019-09-18 13:10:01,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:10:01" (1/1) ... [2019-09-18 13:10:01,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:10:01" (1/1) ... [2019-09-18 13:10:01,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:10:01" (1/1) ... [2019-09-18 13:10:01,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 13:10:01,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 13:10:01,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 13:10:01,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 13:10:01,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:10:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 13:10:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 13:10:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 13:10:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 13:10:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 13:10:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 13:10:01,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 13:10:01,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 13:10:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 13:10:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 13:10:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 13:10:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 13:10:02,001 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 13:10:02,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 13:10:02,002 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 13:10:02,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 13:10:02,002 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 13:10:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 13:10:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 13:10:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 13:10:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-18 13:10:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 13:10:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 13:10:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 13:10:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 13:10:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 13:10:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 13:10:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 13:10:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 13:10:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 13:10:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 13:10:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 13:10:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 13:10:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 13:10:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 13:10:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 13:10:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 13:10:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 13:10:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 13:10:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-18 13:10:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-18 13:10:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 13:10:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 13:10:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 13:10:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 13:10:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 13:10:02,009 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 13:10:02,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 13:10:02,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 13:10:02,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 13:10:02,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 13:10:02,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 13:10:02,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 13:10:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 13:10:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 13:10:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 13:10:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 13:10:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 13:10:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 13:10:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 13:10:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 13:10:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 13:10:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 13:10:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 13:10:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 13:10:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 13:10:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 13:10:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 13:10:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 13:10:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-18 13:10:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 13:10:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 13:10:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 13:10:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 13:10:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 13:10:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 13:10:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 13:10:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 13:10:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 13:10:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 13:10:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 13:10:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 13:10:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 13:10:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-18 13:10:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 13:10:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 13:10:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 13:10:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 13:10:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 13:10:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-18 13:10:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 13:10:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 13:10:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 13:10:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 13:10:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 13:10:03,394 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 13:10:03,394 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 13:10:03,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:10:03 BoogieIcfgContainer [2019-09-18 13:10:03,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 13:10:03,396 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 13:10:03,396 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 13:10:03,397 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 13:10:03,398 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:10:03" (1/1) ... [2019-09-18 13:10:03,398 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 13:10:03,421 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 13:10:03,422 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 13:10:03,432 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 13:10:03,441 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 13:10:03,442 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 13:10:04,018 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-18 13:10:04,193 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-18 13:10:04,470 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-18 13:10:04,684 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-18 13:10:04,986 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-18 13:10:05,279 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-18 13:10:05,700 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-18 13:10:06,038 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2019-09-18 13:10:06,607 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2019-09-18 13:10:07,106 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 85 [2019-09-18 13:10:07,875 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2019-09-18 13:10:08,503 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2019-09-18 13:10:08,718 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-18 13:10:09,487 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 111 [2019-09-18 13:10:10,064 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 106 [2019-09-18 13:10:10,398 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 13:10:11,426 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 212 DAG size of output: 119 [2019-09-18 13:10:11,635 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 13:10:12,263 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 120 [2019-09-18 13:10:12,675 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-18 13:10:13,855 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 243 DAG size of output: 133 [2019-09-18 13:10:14,071 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 13:10:14,854 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 134 [2019-09-18 13:10:15,305 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-18 13:10:16,566 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 291 DAG size of output: 147 [2019-09-18 13:10:17,639 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2019-09-18 13:10:18,389 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2019-09-18 13:10:20,422 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 337 DAG size of output: 165 [2019-09-18 13:10:21,612 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 160 [2019-09-18 13:10:22,353 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-09-18 13:10:24,226 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 384 DAG size of output: 174 [2019-09-18 13:10:25,521 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 219 DAG size of output: 169 [2019-09-18 13:10:26,476 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-09-18 13:10:28,810 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 441 DAG size of output: 195 [2019-09-18 13:10:30,282 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 240 DAG size of output: 190 [2019-09-18 13:10:31,749 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-09-18 13:10:35,880 WARN L191 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 510 DAG size of output: 217 [2019-09-18 13:10:37,567 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 260 DAG size of output: 212 [2019-09-18 13:10:39,423 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 13:10:44,341 WARN L191 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 572 DAG size of output: 254 [2019-09-18 13:10:44,651 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 13:10:46,425 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 315 DAG size of output: 251 [2019-09-18 13:10:48,701 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-18 13:10:54,522 WARN L191 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 677 DAG size of output: 273 [2019-09-18 13:10:54,877 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 13:10:56,890 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 332 DAG size of output: 270 [2019-09-18 13:10:59,754 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 553 [2019-09-18 13:11:06,896 WARN L191 SmtUtils]: Spent 7.13 s on a formula simplification. DAG size of input: 728 DAG size of output: 295 [2019-09-18 13:11:07,322 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-18 13:11:09,645 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 354 DAG size of output: 294 [2019-09-18 13:11:12,837 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 607 [2019-09-18 13:11:21,715 WARN L191 SmtUtils]: Spent 8.86 s on a formula simplification. DAG size of input: 739 DAG size of output: 314 [2019-09-18 13:11:22,095 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 13:11:24,607 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 377 DAG size of output: 309 [2019-09-18 13:11:28,448 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 661 [2019-09-18 13:11:38,282 WARN L191 SmtUtils]: Spent 9.82 s on a formula simplification. DAG size of input: 861 DAG size of output: 333 [2019-09-18 13:11:38,740 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 13:11:41,571 WARN L191 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 407 DAG size of output: 330 [2019-09-18 13:11:46,134 WARN L191 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 739 [2019-09-18 13:11:57,007 WARN L191 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 838 DAG size of output: 343 [2019-09-18 13:11:57,502 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-18 13:12:00,536 WARN L191 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 423 DAG size of output: 340 [2019-09-18 13:12:05,874 WARN L191 SmtUtils]: Spent 3.20 s on a formula simplification that was a NOOP. DAG size: 797 [2019-09-18 13:12:19,125 WARN L191 SmtUtils]: Spent 13.23 s on a formula simplification. DAG size of input: 978 DAG size of output: 376 [2019-09-18 13:12:19,630 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 13:12:23,035 WARN L191 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 448 DAG size of output: 371 [2019-09-18 13:12:29,333 WARN L191 SmtUtils]: Spent 3.60 s on a formula simplification that was a NOOP. DAG size: 855 [2019-09-18 13:12:45,741 WARN L191 SmtUtils]: Spent 16.38 s on a formula simplification. DAG size of input: 1062 DAG size of output: 403 [2019-09-18 13:12:46,395 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 13:12:50,447 WARN L191 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 476 DAG size of output: 404 [2019-09-18 13:12:57,636 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 913 [2019-09-18 13:13:18,178 WARN L191 SmtUtils]: Spent 20.50 s on a formula simplification. DAG size of input: 1250 DAG size of output: 421 [2019-09-18 13:13:18,772 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 13:13:23,012 WARN L191 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 503 DAG size of output: 418 [2019-09-18 13:13:26,856 WARN L191 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 426 DAG size of output: 424 [2019-09-18 13:13:28,817 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 13:13:28,828 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-18 13:13:28,896 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-18 13:13:28,917 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-18 13:13:42,094 WARN L191 SmtUtils]: Spent 12.98 s on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-09-18 13:13:48,466 WARN L191 SmtUtils]: Spent 6.37 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 13:14:01,233 WARN L191 SmtUtils]: Spent 12.77 s on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-09-18 13:14:07,607 WARN L191 SmtUtils]: Spent 6.37 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 13:14:20,500 WARN L191 SmtUtils]: Spent 12.89 s on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-09-18 13:14:26,853 WARN L191 SmtUtils]: Spent 6.35 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 13:14:48,556 WARN L191 SmtUtils]: Spent 21.61 s on a formula simplification. DAG size of input: 459 DAG size of output: 459 [2019-09-18 13:14:59,073 WARN L191 SmtUtils]: Spent 10.52 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 13:15:31,251 WARN L191 SmtUtils]: Spent 32.11 s on a formula simplification. DAG size of input: 473 DAG size of output: 466 [2019-09-18 13:15:41,869 WARN L191 SmtUtils]: Spent 10.62 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 13:15:52,597 WARN L191 SmtUtils]: Spent 10.73 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 13:16:03,333 WARN L191 SmtUtils]: Spent 10.74 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 13:16:04,435 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2019-09-18 13:16:24,218 WARN L191 SmtUtils]: Spent 19.70 s on a formula simplification. DAG size of input: 464 DAG size of output: 459 [2019-09-18 13:16:30,727 WARN L191 SmtUtils]: Spent 6.51 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 13:16:45,520 WARN L191 SmtUtils]: Spent 14.76 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-18 13:16:52,289 WARN L191 SmtUtils]: Spent 6.77 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 13:16:58,771 WARN L191 SmtUtils]: Spent 6.48 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 13:17:05,204 WARN L191 SmtUtils]: Spent 6.43 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 13:17:20,075 WARN L191 SmtUtils]: Spent 14.86 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 13:17:34,849 WARN L191 SmtUtils]: Spent 14.77 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 13:17:46,219 WARN L191 SmtUtils]: Spent 11.30 s on a formula simplification. DAG size of input: 476 DAG size of output: 447 [2019-09-18 13:17:48,354 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 13:18:01,378 WARN L191 SmtUtils]: Spent 13.02 s on a formula simplification. DAG size of input: 479 DAG size of output: 455 [2019-09-18 13:18:07,779 WARN L191 SmtUtils]: Spent 6.40 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 13:18:21,089 WARN L191 SmtUtils]: Spent 13.16 s on a formula simplification. DAG size of input: 458 DAG size of output: 453 [2019-09-18 13:18:27,590 WARN L191 SmtUtils]: Spent 6.50 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 13:18:40,595 WARN L191 SmtUtils]: Spent 12.97 s on a formula simplification. DAG size of input: 460 DAG size of output: 453 [2019-09-18 13:18:47,055 WARN L191 SmtUtils]: Spent 6.46 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 13:18:53,567 WARN L191 SmtUtils]: Spent 6.51 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 13:19:00,102 WARN L191 SmtUtils]: Spent 6.53 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 13:19:09,221 WARN L191 SmtUtils]: Spent 9.07 s on a formula simplification. DAG size of input: 476 DAG size of output: 447 [2019-09-18 13:19:11,343 WARN L191 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 13:19:32,875 WARN L191 SmtUtils]: Spent 21.49 s on a formula simplification. DAG size of input: 459 DAG size of output: 459 [2019-09-18 13:19:43,529 WARN L191 SmtUtils]: Spent 10.65 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 13:20:15,636 WARN L191 SmtUtils]: Spent 32.06 s on a formula simplification. DAG size of input: 473 DAG size of output: 466 [2019-09-18 13:20:26,200 WARN L191 SmtUtils]: Spent 10.56 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 13:20:36,968 WARN L191 SmtUtils]: Spent 10.77 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 13:20:47,680 WARN L191 SmtUtils]: Spent 10.71 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 13:21:00,801 WARN L191 SmtUtils]: Spent 13.02 s on a formula simplification. DAG size of input: 464 DAG size of output: 459 [2019-09-18 13:21:07,240 WARN L191 SmtUtils]: Spent 6.44 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 13:21:21,913 WARN L191 SmtUtils]: Spent 14.64 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-18 13:21:28,197 WARN L191 SmtUtils]: Spent 6.28 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 13:21:34,508 WARN L191 SmtUtils]: Spent 6.31 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 13:21:40,822 WARN L191 SmtUtils]: Spent 6.31 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 13:21:55,547 WARN L191 SmtUtils]: Spent 14.70 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 13:22:10,285 WARN L191 SmtUtils]: Spent 14.74 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 13:22:19,316 WARN L191 SmtUtils]: Spent 8.97 s on a formula simplification. DAG size of input: 476 DAG size of output: 447 [2019-09-18 13:22:21,403 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 13:22:34,319 WARN L191 SmtUtils]: Spent 12.91 s on a formula simplification. DAG size of input: 479 DAG size of output: 455 [2019-09-18 13:22:40,700 WARN L191 SmtUtils]: Spent 6.38 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 13:23:00,571 WARN L191 SmtUtils]: Spent 19.84 s on a formula simplification. DAG size of input: 458 DAG size of output: 453 [2019-09-18 13:23:07,117 WARN L191 SmtUtils]: Spent 6.54 s on a formula simplification that was a NOOP. DAG size: 453