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_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 12:46:49,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 12:46:49,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 12:46:49,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 12:46:49,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 12:46:49,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 12:46:49,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 12:46:49,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 12:46:49,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 12:46:49,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 12:46:49,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 12:46:49,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 12:46:49,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 12:46:49,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 12:46:49,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 12:46:49,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 12:46:49,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 12:46:49,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 12:46:49,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 12:46:49,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 12:46:49,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 12:46:49,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 12:46:49,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 12:46:49,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 12:46:49,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 12:46:49,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 12:46:49,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 12:46:49,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 12:46:49,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 12:46:49,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 12:46:49,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 12:46:49,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 12:46:49,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 12:46:49,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 12:46:49,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 12:46:49,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 12:46:49,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 12:46:49,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 12:46:49,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 12:46:49,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 12:46:49,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 12:46:49,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 12:46:49,288 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 12:46:49,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 12:46:49,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 12:46:49,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 12:46:49,293 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 12:46:49,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 12:46:49,294 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 12:46:49,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 12:46:49,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 12:46:49,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 12:46:49,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 12:46:49,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 12:46:49,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 12:46:49,296 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 12:46:49,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 12:46:49,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 12:46:49,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 12:46:49,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 12:46:49,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 12:46:49,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 12:46:49,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 12:46:49,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 12:46:49,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 12:46:49,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 12:46:49,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 12:46:49,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 12:46:49,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 12:46:49,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 12:46:49,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 12:46:49,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 12:46:49,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 12:46:49,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 12:46:49,379 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 12:46:49,380 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 12:46:49,380 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-18 12:46:49,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beae30c65/7fa57bb9726c4b8086c791452a1f528b/FLAGd9cd1f050 [2019-09-18 12:46:49,979 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 12:46:49,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-18 12:46:49,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beae30c65/7fa57bb9726c4b8086c791452a1f528b/FLAGd9cd1f050 [2019-09-18 12:46:50,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beae30c65/7fa57bb9726c4b8086c791452a1f528b [2019-09-18 12:46:50,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 12:46:50,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 12:46:50,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 12:46:50,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 12:46:50,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 12:46:50,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:46:50" (1/1) ... [2019-09-18 12:46:50,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee719d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:46:50, skipping insertion in model container [2019-09-18 12:46:50,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:46:50" (1/1) ... [2019-09-18 12:46:50,301 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 12:46:50,365 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 12:46:50,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:46:50,822 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 12:46:50,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:46:50,991 INFO L192 MainTranslator]: Completed translation [2019-09-18 12:46:50,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:46:50 WrapperNode [2019-09-18 12:46:50,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 12:46:50,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 12:46:50,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 12:46:50,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 12:46:51,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:46:50" (1/1) ... [2019-09-18 12:46:51,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:46:50" (1/1) ... [2019-09-18 12:46:51,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:46:50" (1/1) ... [2019-09-18 12:46:51,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:46:50" (1/1) ... [2019-09-18 12:46:51,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:46:50" (1/1) ... [2019-09-18 12:46:51,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:46:50" (1/1) ... [2019-09-18 12:46:51,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:46:50" (1/1) ... [2019-09-18 12:46:51,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 12:46:51,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 12:46:51,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 12:46:51,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 12:46:51,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:46:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 12:46:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 12:46:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 12:46:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 12:46:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 12:46:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 12:46:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 12:46:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 12:46:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 12:46:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 12:46:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 12:46:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 12:46:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 12:46:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 12:46:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 12:46:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 12:46:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 12:46:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 12:46:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 12:46:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 12:46:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 12:46:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 12:46:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 12:46:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 12:46:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-18 12:46:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-18 12:46:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 12:46:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 12:46:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 12:46:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 12:46:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 12:46:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 12:46:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 12:46:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 12:46:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 12:46:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 12:46:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 12:46:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 12:46:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 12:46:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 12:46:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 12:46:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 12:46:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 12:46:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 12:46:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 12:46:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 12:46:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 12:46:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 12:46:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 12:46:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 12:46:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 12:46:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 12:46:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 12:46:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 12:46:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 12:46:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 12:46:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 12:46:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 12:46:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-18 12:46:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 12:46:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 12:46:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 12:46:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 12:46:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 12:46:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 12:46:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-18 12:46:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 12:46:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 12:46:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 12:46:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 12:46:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 12:46:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 12:46:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 12:46:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 12:46:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 12:46:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 12:46:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 12:46:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 12:46:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 12:46:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 12:46:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 12:46:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 12:46:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 12:46:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 12:46:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 12:46:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 12:46:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 12:46:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 12:46:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 12:46:52,369 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 12:46:52,369 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 12:46:52,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:46:52 BoogieIcfgContainer [2019-09-18 12:46:52,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 12:46:52,372 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 12:46:52,372 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 12:46:52,372 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 12:46:52,373 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:46:52" (1/1) ... [2019-09-18 12:46:52,375 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 12:46:52,408 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 12:46:52,408 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 12:46:52,425 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 12:46:52,437 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 12:46:52,439 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 12:46:53,098 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-18 12:46:53,263 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-18 12:46:53,546 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-18 12:46:53,796 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-18 12:46:54,190 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-09-18 12:46:54,619 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 117 [2019-09-18 12:46:55,187 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 139 [2019-09-18 12:46:55,699 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2019-09-18 12:46:56,461 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 161 [2019-09-18 12:46:57,181 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2019-09-18 12:46:58,162 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 180 [2019-09-18 12:46:58,906 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 175 [2019-09-18 12:47:00,259 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 226 DAG size of output: 199 [2019-09-18 12:47:01,195 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 196 [2019-09-18 12:47:02,787 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2019-09-18 12:47:03,864 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 206 [2019-09-18 12:47:05,867 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 300 DAG size of output: 242 [2019-09-18 12:47:07,097 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 274 DAG size of output: 237 [2019-09-18 12:47:07,445 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 12:47:09,607 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 320 DAG size of output: 269 [2019-09-18 12:47:09,819 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 12:47:11,296 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 312 DAG size of output: 270 [2019-09-18 12:47:11,704 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 12:47:14,395 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 354 DAG size of output: 287 [2019-09-18 12:47:16,114 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 332 DAG size of output: 284 [2019-09-18 12:47:16,740 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 12:47:19,736 WARN L191 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 387 DAG size of output: 308 [2019-09-18 12:47:21,635 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 341 DAG size of output: 303 [2019-09-18 12:47:22,329 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 12:47:26,106 WARN L191 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 449 DAG size of output: 317 [2019-09-18 12:47:28,180 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 358 DAG size of output: 312 [2019-09-18 12:47:29,225 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-18 12:47:33,565 WARN L191 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 484 DAG size of output: 326 [2019-09-18 12:47:35,733 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 371 DAG size of output: 321 [2019-09-18 12:47:37,153 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-09-18 12:47:42,177 WARN L191 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 558 DAG size of output: 334 [2019-09-18 12:47:42,472 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 12:47:44,586 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 379 DAG size of output: 331 [2019-09-18 12:47:46,425 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-09-18 12:47:52,775 WARN L191 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 601 DAG size of output: 344 [2019-09-18 12:47:53,092 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 12:47:55,331 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 399 DAG size of output: 341 [2019-09-18 12:47:57,555 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-18 12:48:04,621 WARN L191 SmtUtils]: Spent 7.05 s on a formula simplification. DAG size of input: 716 DAG size of output: 354 [2019-09-18 12:48:04,964 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 12:48:07,391 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 420 DAG size of output: 351 [2019-09-18 12:48:10,047 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 12:48:18,612 WARN L191 SmtUtils]: Spent 8.55 s on a formula simplification. DAG size of input: 788 DAG size of output: 364 [2019-09-18 12:48:19,021 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 12:48:21,711 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 429 DAG size of output: 363 [2019-09-18 12:48:24,887 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 557 [2019-09-18 12:48:34,832 WARN L191 SmtUtils]: Spent 9.93 s on a formula simplification. DAG size of input: 854 DAG size of output: 376 [2019-09-18 12:48:35,257 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 12:48:38,166 WARN L191 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 450 DAG size of output: 375 [2019-09-18 12:48:42,128 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 631 [2019-09-18 12:48:53,450 WARN L191 SmtUtils]: Spent 11.30 s on a formula simplification. DAG size of input: 858 DAG size of output: 389 [2019-09-18 12:48:53,871 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 12:48:56,812 WARN L191 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 446 DAG size of output: 384 [2019-09-18 12:49:01,826 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 717 [2019-09-18 12:49:15,511 WARN L191 SmtUtils]: Spent 13.66 s on a formula simplification. DAG size of input: 908 DAG size of output: 397 [2019-09-18 12:49:16,092 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 12:49:19,601 WARN L191 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 464 DAG size of output: 398 [2019-09-18 12:49:25,370 WARN L191 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 795 [2019-09-18 12:49:40,952 WARN L191 SmtUtils]: Spent 15.56 s on a formula simplification. DAG size of input: 1016 DAG size of output: 411 [2019-09-18 12:49:41,526 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 12:49:45,175 WARN L191 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 502 DAG size of output: 412 [2019-09-18 12:49:51,892 WARN L191 SmtUtils]: Spent 3.31 s on a formula simplification that was a NOOP. DAG size: 877 [2019-09-18 12:50:11,214 WARN L191 SmtUtils]: Spent 19.29 s on a formula simplification. DAG size of input: 1111 DAG size of output: 425 [2019-09-18 12:50:11,807 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 12:50:15,593 WARN L191 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 496 DAG size of output: 422 [2019-09-18 12:50:17,444 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 12:50:19,275 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 12:50:19,286 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 12:50:19,348 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 12:50:19,368 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 12:50:30,692 WARN L191 SmtUtils]: Spent 11.14 s on a formula simplification. DAG size of input: 451 DAG size of output: 450 [2019-09-18 12:50:36,145 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 12:50:47,206 WARN L191 SmtUtils]: Spent 11.06 s on a formula simplification. DAG size of input: 451 DAG size of output: 450 [2019-09-18 12:50:52,697 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 12:51:03,720 WARN L191 SmtUtils]: Spent 11.02 s on a formula simplification. DAG size of input: 451 DAG size of output: 450 [2019-09-18 12:51:09,205 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 12:51:20,267 WARN L191 SmtUtils]: Spent 11.06 s on a formula simplification. DAG size of input: 451 DAG size of output: 450 [2019-09-18 12:51:25,742 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 12:51:44,124 WARN L191 SmtUtils]: Spent 18.26 s on a formula simplification. DAG size of input: 465 DAG size of output: 465 [2019-09-18 12:51:53,166 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 12:52:11,458 WARN L191 SmtUtils]: Spent 18.29 s on a formula simplification. DAG size of input: 465 DAG size of output: 465 [2019-09-18 12:52:20,582 WARN L191 SmtUtils]: Spent 9.12 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 12:52:57,671 WARN L191 SmtUtils]: Spent 37.06 s on a formula simplification. DAG size of input: 475 DAG size of output: 468 [2019-09-18 12:53:06,824 WARN L191 SmtUtils]: Spent 9.15 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 12:53:07,175 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2019-09-18 12:53:26,079 WARN L191 SmtUtils]: Spent 18.16 s on a formula simplification. DAG size of input: 473 DAG size of output: 472 [2019-09-18 12:53:34,948 WARN L191 SmtUtils]: Spent 8.87 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 12:53:52,715 WARN L191 SmtUtils]: Spent 17.77 s on a formula simplification. DAG size of input: 473 DAG size of output: 472 [2019-09-18 12:54:01,710 WARN L191 SmtUtils]: Spent 8.99 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 12:54:20,176 WARN L191 SmtUtils]: Spent 18.45 s on a formula simplification. DAG size of input: 477 DAG size of output: 472 [2019-09-18 12:54:29,090 WARN L191 SmtUtils]: Spent 8.91 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 12:54:38,162 WARN L191 SmtUtils]: Spent 9.07 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 12:54:47,282 WARN L191 SmtUtils]: Spent 9.12 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 12:55:00,150 WARN L191 SmtUtils]: Spent 12.85 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-18 12:55:00,254 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 12:55:00,476 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 18 [2019-09-18 12:55:00,976 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-18 12:55:03,380 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 12:55:05,465 WARN L191 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 12:55:07,483 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 12:55:09,523 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 12:55:27,820 WARN L191 SmtUtils]: Spent 18.22 s on a formula simplification. DAG size of input: 465 DAG size of output: 465 [2019-09-18 12:55:37,017 WARN L191 SmtUtils]: Spent 9.20 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 12:55:55,355 WARN L191 SmtUtils]: Spent 18.34 s on a formula simplification. DAG size of input: 465 DAG size of output: 465 [2019-09-18 12:56:04,487 WARN L191 SmtUtils]: Spent 9.13 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 12:56:41,610 WARN L191 SmtUtils]: Spent 37.09 s on a formula simplification. DAG size of input: 475 DAG size of output: 468 [2019-09-18 12:56:50,758 WARN L191 SmtUtils]: Spent 9.15 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 12:57:09,084 WARN L191 SmtUtils]: Spent 18.20 s on a formula simplification. DAG size of input: 473 DAG size of output: 472 [2019-09-18 12:57:18,125 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 12:57:36,040 WARN L191 SmtUtils]: Spent 17.91 s on a formula simplification. DAG size of input: 473 DAG size of output: 472 [2019-09-18 12:57:45,013 WARN L191 SmtUtils]: Spent 8.97 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 12:58:03,075 WARN L191 SmtUtils]: Spent 18.04 s on a formula simplification. DAG size of input: 477 DAG size of output: 472 [2019-09-18 12:58:11,969 WARN L191 SmtUtils]: Spent 8.89 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 12:58:21,025 WARN L191 SmtUtils]: Spent 9.05 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 12:58:30,092 WARN L191 SmtUtils]: Spent 9.07 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 12:58:42,791 WARN L191 SmtUtils]: Spent 12.67 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-18 12:58:43,108 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 18 [2019-09-18 12:58:43,603 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-18 12:58:46,043 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 12:58:48,170 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 12:58:50,360 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 12:59:08,725 WARN L191 SmtUtils]: Spent 18.16 s on a formula simplification. DAG size of input: 465 DAG size of output: 465 [2019-09-18 12:59:17,769 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 12:59:35,961 WARN L191 SmtUtils]: Spent 18.19 s on a formula simplification. DAG size of input: 465 DAG size of output: 465 [2019-09-18 12:59:45,000 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 465