java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 14:50:28,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 14:50:28,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 14:50:28,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 14:50:28,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 14:50:28,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 14:50:28,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 14:50:28,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 14:50:28,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 14:50:28,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 14:50:28,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 14:50:28,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 14:50:28,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 14:50:28,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 14:50:28,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 14:50:28,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 14:50:28,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 14:50:28,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 14:50:28,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 14:50:28,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 14:50:28,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 14:50:28,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 14:50:28,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 14:50:28,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 14:50:28,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 14:50:28,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 14:50:28,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 14:50:28,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 14:50:28,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 14:50:28,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 14:50:28,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 14:50:28,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 14:50:28,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 14:50:28,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 14:50:28,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 14:50:28,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 14:50:28,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 14:50:28,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 14:50:28,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 14:50:28,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 14:50:28,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 14:50:28,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 14:50:28,575 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 14:50:28,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 14:50:28,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 14:50:28,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 14:50:28,577 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 14:50:28,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 14:50:28,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 14:50:28,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 14:50:28,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 14:50:28,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 14:50:28,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 14:50:28,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 14:50:28,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 14:50:28,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 14:50:28,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 14:50:28,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 14:50:28,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 14:50:28,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 14:50:28,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 14:50:28,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 14:50:28,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 14:50:28,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 14:50:28,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 14:50:28,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 14:50:28,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 14:50:28,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 14:50:28,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 14:50:28,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 14:50:28,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 14:50:28,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 14:50:28,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 14:50:28,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 14:50:28,629 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 14:50:28,629 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 14:50:28,630 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2019-09-18 14:50:28,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4db6bd0d/0ff0bb520d6d4eff8cb2a9578a8f1c3b/FLAG6fb818f28 [2019-09-18 14:50:29,162 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 14:50:29,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2019-09-18 14:50:29,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4db6bd0d/0ff0bb520d6d4eff8cb2a9578a8f1c3b/FLAG6fb818f28 [2019-09-18 14:50:29,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4db6bd0d/0ff0bb520d6d4eff8cb2a9578a8f1c3b [2019-09-18 14:50:29,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 14:50:29,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 14:50:29,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 14:50:29,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 14:50:29,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 14:50:29,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:50:29" (1/1) ... [2019-09-18 14:50:29,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326519c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:50:29, skipping insertion in model container [2019-09-18 14:50:29,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:50:29" (1/1) ... [2019-09-18 14:50:29,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 14:50:29,595 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 14:50:30,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:50:30,074 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 14:50:30,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:50:30,192 INFO L192 MainTranslator]: Completed translation [2019-09-18 14:50:30,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:50:30 WrapperNode [2019-09-18 14:50:30,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 14:50:30,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 14:50:30,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 14:50:30,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 14:50:30,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:50:30" (1/1) ... [2019-09-18 14:50:30,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:50:30" (1/1) ... [2019-09-18 14:50:30,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:50:30" (1/1) ... [2019-09-18 14:50:30,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:50:30" (1/1) ... [2019-09-18 14:50:30,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:50:30" (1/1) ... [2019-09-18 14:50:30,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:50:30" (1/1) ... [2019-09-18 14:50:30,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:50:30" (1/1) ... [2019-09-18 14:50:30,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 14:50:30,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 14:50:30,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 14:50:30,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 14:50:30,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:50:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 14:50:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 14:50:30,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 14:50:30,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 14:50:30,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 14:50:30,377 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 14:50:30,377 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 14:50:30,378 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:50:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 14:50:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 14:50:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 14:50:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 14:50:30,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 14:50:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 14:50:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 14:50:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 14:50:30,382 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 14:50:30,385 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 14:50:30,385 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 14:50:30,385 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 14:50:30,385 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 14:50:30,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 14:50:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 14:50:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 14:50:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 14:50:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 14:50:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 14:50:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 14:50:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 14:50:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 14:50:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 14:50:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 14:50:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-18 14:50:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-18 14:50:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-18 14:50:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 14:50:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 14:50:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 14:50:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 14:50:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 14:50:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 14:50:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 14:50:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 14:50:30,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 14:50:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 14:50:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 14:50:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 14:50:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 14:50:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 14:50:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 14:50:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 14:50:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 14:50:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 14:50:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 14:50:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 14:50:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 14:50:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 14:50:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 14:50:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 14:50:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-18 14:50:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-18 14:50:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 14:50:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 14:50:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 14:50:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:50:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 14:50:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 14:50:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 14:50:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 14:50:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 14:50:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 14:50:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 14:50:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 14:50:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 14:50:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 14:50:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 14:50:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 14:50:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 14:50:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 14:50:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 14:50:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 14:50:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 14:50:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 14:50:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 14:50:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 14:50:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 14:50:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 14:50:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 14:50:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 14:50:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-18 14:50:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 14:50:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 14:50:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 14:50:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 14:50:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 14:50:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 14:50:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 14:50:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 14:50:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 14:50:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 14:50:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 14:50:31,733 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 14:50:31,733 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 14:50:31,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:50:31 BoogieIcfgContainer [2019-09-18 14:50:31,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 14:50:31,736 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 14:50:31,736 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 14:50:31,736 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 14:50:31,737 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:50:31" (1/1) ... [2019-09-18 14:50:31,738 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 14:50:31,760 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 14:50:31,760 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 14:50:31,770 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 14:50:31,777 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 14:50:31,778 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 14:50:32,382 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-18 14:50:32,558 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2019-09-18 14:50:32,865 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-18 14:50:33,101 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-18 14:50:33,544 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-09-18 14:50:34,010 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2019-09-18 14:50:34,576 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 139 [2019-09-18 14:50:35,088 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2019-09-18 14:50:35,733 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 161 [2019-09-18 14:50:36,491 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2019-09-18 14:50:37,492 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 180 [2019-09-18 14:50:38,227 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 175 [2019-09-18 14:50:39,183 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 199 [2019-09-18 14:50:40,104 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 196 [2019-09-18 14:50:41,671 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 263 DAG size of output: 209 [2019-09-18 14:50:42,753 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 206 [2019-09-18 14:50:44,204 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 306 DAG size of output: 242 [2019-09-18 14:50:45,428 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 277 DAG size of output: 237 [2019-09-18 14:50:45,654 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 14:50:47,228 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 337 DAG size of output: 269 [2019-09-18 14:50:47,439 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 14:50:48,841 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 312 DAG size of output: 270 [2019-09-18 14:50:49,218 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 14:50:51,854 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 369 DAG size of output: 287 [2019-09-18 14:50:53,558 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 331 DAG size of output: 284 [2019-09-18 14:50:54,087 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 14:50:57,230 WARN L191 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 385 DAG size of output: 306 [2019-09-18 14:50:59,090 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 341 DAG size of output: 301 [2019-09-18 14:50:59,890 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 14:51:03,606 WARN L191 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 441 DAG size of output: 315 [2019-09-18 14:51:05,635 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 364 DAG size of output: 310 [2019-09-18 14:51:06,684 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-18 14:51:11,188 WARN L191 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 482 DAG size of output: 324 [2019-09-18 14:51:13,372 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 374 DAG size of output: 319 [2019-09-18 14:51:14,706 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-09-18 14:51:19,893 WARN L191 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 537 DAG size of output: 332 [2019-09-18 14:51:22,226 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 387 DAG size of output: 329 [2019-09-18 14:51:23,944 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-09-18 14:51:30,335 WARN L191 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 640 DAG size of output: 342 [2019-09-18 14:51:30,656 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 14:51:32,893 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 404 DAG size of output: 339 [2019-09-18 14:51:35,187 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-18 14:51:42,530 WARN L191 SmtUtils]: Spent 7.33 s on a formula simplification. DAG size of input: 643 DAG size of output: 352 [2019-09-18 14:51:42,874 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 14:51:45,293 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 403 DAG size of output: 349 [2019-09-18 14:51:47,949 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 14:51:56,667 WARN L191 SmtUtils]: Spent 8.70 s on a formula simplification. DAG size of input: 775 DAG size of output: 362 [2019-09-18 14:51:57,091 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 14:51:59,701 WARN L191 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 432 DAG size of output: 361 [2019-09-18 14:52:02,991 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 557 [2019-09-18 14:52:12,971 WARN L191 SmtUtils]: Spent 9.96 s on a formula simplification. DAG size of input: 800 DAG size of output: 374 [2019-09-18 14:52:13,393 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 14:52:16,258 WARN L191 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 435 DAG size of output: 373 [2019-09-18 14:52:20,124 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 631 [2019-09-18 14:52:32,339 WARN L191 SmtUtils]: Spent 12.20 s on a formula simplification. DAG size of input: 896 DAG size of output: 387 [2019-09-18 14:52:32,762 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 14:52:35,635 WARN L191 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 455 DAG size of output: 382 [2019-09-18 14:52:40,434 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 717 [2019-09-18 14:52:54,834 WARN L191 SmtUtils]: Spent 14.38 s on a formula simplification. DAG size of input: 965 DAG size of output: 395 [2019-09-18 14:52:55,417 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 14:52:58,691 WARN L191 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 478 DAG size of output: 396 [2019-09-18 14:53:04,514 WARN L191 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 795 [2019-09-18 14:53:20,510 WARN L191 SmtUtils]: Spent 15.97 s on a formula simplification. DAG size of input: 986 DAG size of output: 409 [2019-09-18 14:53:21,071 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 14:53:24,572 WARN L191 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 486 DAG size of output: 410 [2019-09-18 14:53:31,364 WARN L191 SmtUtils]: Spent 3.34 s on a formula simplification that was a NOOP. DAG size: 877 [2019-09-18 14:53:51,546 WARN L191 SmtUtils]: Spent 20.15 s on a formula simplification. DAG size of input: 1185 DAG size of output: 423 [2019-09-18 14:53:52,103 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 14:53:55,764 WARN L191 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 507 DAG size of output: 420 [2019-09-18 14:53:57,474 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 14:53:59,184 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 14:53:59,195 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 14:53:59,258 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 14:53:59,274 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 14:54:10,448 WARN L191 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:54:15,880 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:54:26,653 WARN L191 SmtUtils]: Spent 10.77 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:54:32,020 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:54:42,859 WARN L191 SmtUtils]: Spent 10.84 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:54:48,215 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:55:15,427 WARN L191 SmtUtils]: Spent 27.15 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-18 14:55:24,403 WARN L191 SmtUtils]: Spent 8.97 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 14:55:52,043 WARN L191 SmtUtils]: Spent 27.58 s on a formula simplification. DAG size of input: 473 DAG size of output: 466 [2019-09-18 14:56:01,105 WARN L191 SmtUtils]: Spent 9.06 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 14:56:20,411 WARN L191 SmtUtils]: Spent 17.65 s on a formula simplification. DAG size of input: 477 DAG size of output: 476 [2019-09-18 14:56:29,250 WARN L191 SmtUtils]: Spent 8.84 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 14:56:46,974 WARN L191 SmtUtils]: Spent 17.72 s on a formula simplification. DAG size of input: 477 DAG size of output: 476 [2019-09-18 14:56:56,293 WARN L191 SmtUtils]: Spent 9.32 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 14:57:14,212 WARN L191 SmtUtils]: Spent 17.90 s on a formula simplification. DAG size of input: 481 DAG size of output: 476 [2019-09-18 14:57:23,167 WARN L191 SmtUtils]: Spent 8.95 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 14:57:32,170 WARN L191 SmtUtils]: Spent 8.99 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 14:57:41,162 WARN L191 SmtUtils]: Spent 8.99 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 14:57:53,740 WARN L191 SmtUtils]: Spent 12.56 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-18 14:58:06,330 WARN L191 SmtUtils]: Spent 12.59 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-18 14:58:58,942 WARN L191 SmtUtils]: Spent 52.55 s on a formula simplification. DAG size of input: 502 DAG size of output: 494 [2019-09-18 14:59:15,163 WARN L191 SmtUtils]: Spent 16.22 s on a formula simplification that was a NOOP. DAG size: 493 [2019-09-18 14:59:32,725 WARN L191 SmtUtils]: Spent 17.50 s on a formula simplification. DAG size of input: 496 DAG size of output: 457 [2019-09-18 14:59:38,242 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 14:59:56,431 WARN L191 SmtUtils]: Spent 18.06 s on a formula simplification. DAG size of input: 487 DAG size of output: 475 [2019-09-18 15:00:05,398 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 15:00:23,267 WARN L191 SmtUtils]: Spent 17.87 s on a formula simplification. DAG size of input: 487 DAG size of output: 475 [2019-09-18 15:00:32,005 WARN L191 SmtUtils]: Spent 8.74 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 15:00:49,971 WARN L191 SmtUtils]: Spent 17.95 s on a formula simplification. DAG size of input: 484 DAG size of output: 474 [2019-09-18 15:00:58,884 WARN L191 SmtUtils]: Spent 8.91 s on a formula simplification that was a NOOP. DAG size: 474 [2019-09-18 15:01:07,773 WARN L191 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 15:01:16,735 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 15:02:08,935 WARN L191 SmtUtils]: Spent 52.14 s on a formula simplification. DAG size of input: 502 DAG size of output: 494 [2019-09-18 15:02:25,055 WARN L191 SmtUtils]: Spent 16.12 s on a formula simplification that was a NOOP. DAG size: 493 [2019-09-18 15:02:42,279 WARN L191 SmtUtils]: Spent 17.15 s on a formula simplification. DAG size of input: 496 DAG size of output: 457 [2019-09-18 15:02:47,862 WARN L191 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 15:03:06,044 WARN L191 SmtUtils]: Spent 18.07 s on a formula simplification. DAG size of input: 491 DAG size of output: 476 [2019-09-18 15:03:15,043 WARN L191 SmtUtils]: Spent 9.00 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 15:03:33,028 WARN L191 SmtUtils]: Spent 17.98 s on a formula simplification. DAG size of input: 491 DAG size of output: 476 [2019-09-18 15:03:41,985 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 476