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_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 12:13:50,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 12:13:50,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 12:13:50,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 12:13:50,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 12:13:50,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 12:13:50,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 12:13:50,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 12:13:50,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 12:13:50,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 12:13:50,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 12:13:50,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 12:13:50,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 12:13:50,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 12:13:50,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 12:13:50,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 12:13:50,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 12:13:50,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 12:13:50,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 12:13:50,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 12:13:50,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 12:13:50,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 12:13:50,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 12:13:50,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 12:13:50,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 12:13:50,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 12:13:50,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 12:13:50,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 12:13:50,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 12:13:50,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 12:13:50,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 12:13:50,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 12:13:50,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 12:13:50,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 12:13:50,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 12:13:50,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 12:13:50,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 12:13:50,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 12:13:50,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 12:13:50,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 12:13:50,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 12:13:50,614 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 12:13:50,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 12:13:50,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 12:13:50,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 12:13:50,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 12:13:50,642 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 12:13:50,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 12:13:50,642 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 12:13:50,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 12:13:50,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 12:13:50,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 12:13:50,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 12:13:50,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 12:13:50,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 12:13:50,645 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 12:13:50,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 12:13:50,645 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 12:13:50,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 12:13:50,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 12:13:50,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 12:13:50,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 12:13:50,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 12:13:50,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 12:13:50,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 12:13:50,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 12:13:50,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 12:13:50,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 12:13:50,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 12:13:50,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 12:13:50,648 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 12:13:50,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 12:13:50,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 12:13:50,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 12:13:50,697 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 12:13:50,697 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 12:13:50,698 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2019-09-18 12:13:50,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572d11e31/44a939f0f8c04d68b3a40f1af788626a/FLAG6b6823ab5 [2019-09-18 12:13:51,307 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 12:13:51,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2019-09-18 12:13:51,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572d11e31/44a939f0f8c04d68b3a40f1af788626a/FLAG6b6823ab5 [2019-09-18 12:13:51,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572d11e31/44a939f0f8c04d68b3a40f1af788626a [2019-09-18 12:13:51,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 12:13:51,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 12:13:51,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 12:13:51,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 12:13:51,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 12:13:51,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:13:51" (1/1) ... [2019-09-18 12:13:51,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11837186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:13:51, skipping insertion in model container [2019-09-18 12:13:51,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:13:51" (1/1) ... [2019-09-18 12:13:51,623 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 12:13:51,707 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 12:13:52,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:13:52,238 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 12:13:52,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:13:52,381 INFO L192 MainTranslator]: Completed translation [2019-09-18 12:13:52,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:13:52 WrapperNode [2019-09-18 12:13:52,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 12:13:52,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 12:13:52,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 12:13:52,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 12:13:52,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:13:52" (1/1) ... [2019-09-18 12:13:52,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:13:52" (1/1) ... [2019-09-18 12:13:52,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:13:52" (1/1) ... [2019-09-18 12:13:52,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:13:52" (1/1) ... [2019-09-18 12:13:52,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:13:52" (1/1) ... [2019-09-18 12:13:52,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:13:52" (1/1) ... [2019-09-18 12:13:52,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:13:52" (1/1) ... [2019-09-18 12:13:52,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 12:13:52,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 12:13:52,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 12:13:52,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 12:13:52,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:13:52" (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 12:13:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 12:13:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 12:13:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 12:13:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 12:13:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 12:13:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 12:13:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 12:13:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 12:13:52,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 12:13:52,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-18 12:13:52,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 12:13:52,568 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 12:13:52,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 12:13:52,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 12:13:52,568 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 12:13:52,569 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 12:13:52,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 12:13:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 12:13:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 12:13:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 12:13:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 12:13:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 12:13:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 12:13:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 12:13:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 12:13:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 12:13:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 12:13:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 12:13:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 12:13:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 12:13:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 12:13:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 12:13:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 12:13:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 12:13:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 12:13:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 12:13:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 12:13:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 12:13:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 12:13:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 12:13:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 12:13:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 12:13:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 12:13:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 12:13:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 12:13:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 12:13:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 12:13:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 12:13:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-18 12:13:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 12:13:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 12:13:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 12:13:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 12:13:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 12:13:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 12:13:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 12:13:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 12:13:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 12:13:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 12:13:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 12:13:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 12:13:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 12:13:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 12:13:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 12:13:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 12:13:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 12:13:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 12:13:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 12:13:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 12:13:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 12:13:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 12:13:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 12:13:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 12:13:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 12:13:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 12:13:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 12:13:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 12:13:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 12:13:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 12:13:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 12:13:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 12:13:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 12:13:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 12:13:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 12:13:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 12:13:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 12:13:53,900 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 12:13:53,901 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 12:13:53,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:13:53 BoogieIcfgContainer [2019-09-18 12:13:53,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 12:13:53,903 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 12:13:53,903 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 12:13:53,903 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 12:13:53,904 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:13:53" (1/1) ... [2019-09-18 12:13:53,905 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 12:13:53,927 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 12:13:53,927 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 12:13:53,937 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 12:13:53,947 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 12:13:53,948 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 12:13:54,574 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-18 12:13:54,780 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-18 12:13:55,121 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2019-09-18 12:13:55,393 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-18 12:13:55,820 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2019-09-18 12:13:56,227 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2019-09-18 12:13:56,822 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 145 [2019-09-18 12:13:57,367 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 142 [2019-09-18 12:13:58,143 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 155 [2019-09-18 12:13:58,818 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 152 [2019-09-18 12:13:59,828 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 173 [2019-09-18 12:14:00,526 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 168 [2019-09-18 12:14:01,490 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 194 [2019-09-18 12:14:02,379 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 191 [2019-09-18 12:14:04,063 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 266 DAG size of output: 227 [2019-09-18 12:14:05,250 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2019-09-18 12:14:07,397 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 289 DAG size of output: 246 [2019-09-18 12:14:08,692 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2019-09-18 12:14:11,288 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 338 DAG size of output: 268 [2019-09-18 12:14:11,503 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 12:14:12,944 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 316 DAG size of output: 269 [2019-09-18 12:14:13,351 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 12:14:15,989 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 372 DAG size of output: 286 [2019-09-18 12:14:17,674 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 329 DAG size of output: 283 [2019-09-18 12:14:18,202 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 12:14:21,307 WARN L191 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 389 DAG size of output: 308 [2019-09-18 12:14:23,213 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 345 DAG size of output: 303 [2019-09-18 12:14:23,602 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 12:14:26,017 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 432 DAG size of output: 317 [2019-09-18 12:14:28,077 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 365 DAG size of output: 312 [2019-09-18 12:14:29,112 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-18 12:14:33,691 WARN L191 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 498 DAG size of output: 326 [2019-09-18 12:14:35,866 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 371 DAG size of output: 321 [2019-09-18 12:14:37,249 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-09-18 12:14:42,469 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 538 DAG size of output: 334 [2019-09-18 12:14:42,779 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 12:14:44,831 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 387 DAG size of output: 331 [2019-09-18 12:14:46,572 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-09-18 12:14:52,255 WARN L191 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 582 DAG size of output: 344 [2019-09-18 12:14:52,576 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 12:14:54,818 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 407 DAG size of output: 341 [2019-09-18 12:14:57,190 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-18 12:15:04,177 WARN L191 SmtUtils]: Spent 6.97 s on a formula simplification. DAG size of input: 643 DAG size of output: 354 [2019-09-18 12:15:04,523 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 12:15:06,954 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 421 DAG size of output: 351 [2019-09-18 12:15:09,838 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 12:15:17,947 WARN L191 SmtUtils]: Spent 8.09 s on a formula simplification. DAG size of input: 737 DAG size of output: 364 [2019-09-18 12:15:18,347 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 12:15:20,993 WARN L191 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 421 DAG size of output: 363 [2019-09-18 12:15:24,272 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 557 [2019-09-18 12:15:34,124 WARN L191 SmtUtils]: Spent 9.83 s on a formula simplification. DAG size of input: 822 DAG size of output: 376 [2019-09-18 12:15:34,568 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 12:15:37,425 WARN L191 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 453 DAG size of output: 375 [2019-09-18 12:15:41,592 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 631 [2019-09-18 12:15:53,308 WARN L191 SmtUtils]: Spent 11.70 s on a formula simplification. DAG size of input: 897 DAG size of output: 389 [2019-09-18 12:15:53,741 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 12:15:56,658 WARN L191 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 446 DAG size of output: 384 [2019-09-18 12:16:01,392 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 717 [2019-09-18 12:16:14,863 WARN L191 SmtUtils]: Spent 13.45 s on a formula simplification. DAG size of input: 961 DAG size of output: 397 [2019-09-18 12:16:15,439 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 12:16:18,724 WARN L191 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 482 DAG size of output: 398 [2019-09-18 12:16:24,539 WARN L191 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 795 [2019-09-18 12:16:40,433 WARN L191 SmtUtils]: Spent 15.87 s on a formula simplification. DAG size of input: 1059 DAG size of output: 411 [2019-09-18 12:16:41,009 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 12:16:44,565 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 486 DAG size of output: 412 [2019-09-18 12:16:51,526 WARN L191 SmtUtils]: Spent 3.33 s on a formula simplification that was a NOOP. DAG size: 877 [2019-09-18 12:17:10,726 WARN L191 SmtUtils]: Spent 19.17 s on a formula simplification. DAG size of input: 1049 DAG size of output: 425 [2019-09-18 12:17:11,303 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 12:17:14,893 WARN L191 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 510 DAG size of output: 422 [2019-09-18 12:17:16,571 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 12:17:18,282 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 12:17:18,298 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 12:17:18,353 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 12:17:18,357 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 12:17:29,305 WARN L191 SmtUtils]: Spent 10.77 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 12:17:34,679 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 12:17:45,356 WARN L191 SmtUtils]: Spent 10.68 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 12:17:50,737 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 12:18:01,472 WARN L191 SmtUtils]: Spent 10.73 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 12:18:06,769 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 12:18:17,561 WARN L191 SmtUtils]: Spent 10.79 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 12:18:22,922 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 12:18:33,680 WARN L191 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 12:18:39,032 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 12:18:57,058 WARN L191 SmtUtils]: Spent 17.87 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-18 12:19:05,960 WARN L191 SmtUtils]: Spent 8.90 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 12:19:24,660 WARN L191 SmtUtils]: Spent 18.22 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-18 12:19:33,598 WARN L191 SmtUtils]: Spent 8.94 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 12:19:51,497 WARN L191 SmtUtils]: Spent 17.90 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-18 12:20:00,404 WARN L191 SmtUtils]: Spent 8.91 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 12:20:19,041 WARN L191 SmtUtils]: Spent 18.41 s on a formula simplification. DAG size of input: 474 DAG size of output: 467 [2019-09-18 12:20:27,882 WARN L191 SmtUtils]: Spent 8.84 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 12:20:45,619 WARN L191 SmtUtils]: Spent 17.74 s on a formula simplification. DAG size of input: 474 DAG size of output: 467 [2019-09-18 12:20:54,450 WARN L191 SmtUtils]: Spent 8.83 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 12:21:19,297 WARN L191 SmtUtils]: Spent 24.71 s on a formula simplification. DAG size of input: 477 DAG size of output: 471 [2019-09-18 12:21:44,000 WARN L191 SmtUtils]: Spent 24.70 s on a formula simplification. DAG size of input: 477 DAG size of output: 471 [2019-09-18 12:21:45,932 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 447 DAG size of output: 8 [2019-09-18 12:21:46,875 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-18 12:21:47,101 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-18 12:22:05,205 WARN L191 SmtUtils]: Spent 17.93 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-18 12:22:14,120 WARN L191 SmtUtils]: Spent 8.91 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 12:22:32,295 WARN L191 SmtUtils]: Spent 18.06 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-18 12:22:41,194 WARN L191 SmtUtils]: Spent 8.90 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 12:22:59,177 WARN L191 SmtUtils]: Spent 17.98 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-18 12:23:08,125 WARN L191 SmtUtils]: Spent 8.95 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 12:23:26,014 WARN L191 SmtUtils]: Spent 17.81 s on a formula simplification. DAG size of input: 472 DAG size of output: 471 [2019-09-18 12:23:34,870 WARN L191 SmtUtils]: Spent 8.85 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 12:23:52,630 WARN L191 SmtUtils]: Spent 17.76 s on a formula simplification. DAG size of input: 472 DAG size of output: 471 [2019-09-18 12:24:01,469 WARN L191 SmtUtils]: Spent 8.84 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 12:24:26,063 WARN L191 SmtUtils]: Spent 24.55 s on a formula simplification. DAG size of input: 476 DAG size of output: 475 [2019-09-18 12:24:50,717 WARN L191 SmtUtils]: Spent 24.65 s on a formula simplification. DAG size of input: 476 DAG size of output: 475 [2019-09-18 12:24:52,646 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 447 DAG size of output: 8 [2019-09-18 12:24:53,559 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-18 12:24:53,780 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-18 12:25:11,698 WARN L191 SmtUtils]: Spent 17.77 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-18 12:25:20,548 WARN L191 SmtUtils]: Spent 8.85 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 12:25:38,474 WARN L191 SmtUtils]: Spent 17.85 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-18 12:25:47,606 WARN L191 SmtUtils]: Spent 9.13 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 12:26:05,697 WARN L191 SmtUtils]: Spent 18.09 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-18 12:26:14,508 WARN L191 SmtUtils]: Spent 8.81 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 12:26:32,451 WARN L191 SmtUtils]: Spent 17.87 s on a formula simplification. DAG size of input: 472 DAG size of output: 471 [2019-09-18 12:26:41,330 WARN L191 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 12:26:59,198 WARN L191 SmtUtils]: Spent 17.87 s on a formula simplification. DAG size of input: 472 DAG size of output: 471 [2019-09-18 12:27:08,078 WARN L191 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 471