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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/email_spec0_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:19:19,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:19:19,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:19:19,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:19:19,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:19:19,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:19:19,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:19:19,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:19:20,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:19:20,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:19:20,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:19:20,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:19:20,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:19:20,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:19:20,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:19:20,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:19:20,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:19:20,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:19:20,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:19:20,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:19:20,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:19:20,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:19:20,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:19:20,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:19:20,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:19:20,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:19:20,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:19:20,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:19:20,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:19:20,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:19:20,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:19:20,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:19:20,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:19:20,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:19:20,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:19:20,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:19:20,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:19:20,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:19:20,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:19:20,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:19:20,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:19:20,063 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 03:19:20,090 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:19:20,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:19:20,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:19:20,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:19:20,093 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:19:20,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:19:20,094 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:19:20,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:19:20,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:19:20,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:19:20,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:19:20,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:19:20,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:19:20,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:19:20,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:19:20,097 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:19:20,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:19:20,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:19:20,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:19:20,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:19:20,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:19:20,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:19:20,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:19:20,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:19:20,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:19:20,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:19:20,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:19:20,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:19:20,100 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 -> SequenceOfStatements 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 03:19:20,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:19:20,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:19:20,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:19:20,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:19:20,191 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:19:20,191 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product36.cil.c [2019-09-18 03:19:20,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee606ff80/18095905cb244192b17271f03e24371e/FLAG360c90a76 [2019-09-18 03:19:20,912 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:19:20,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product36.cil.c [2019-09-18 03:19:20,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee606ff80/18095905cb244192b17271f03e24371e/FLAG360c90a76 [2019-09-18 03:19:21,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee606ff80/18095905cb244192b17271f03e24371e [2019-09-18 03:19:21,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:19:21,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:19:21,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:19:21,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:19:21,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:19:21,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:19:21" (1/1) ... [2019-09-18 03:19:21,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348ede7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:19:21, skipping insertion in model container [2019-09-18 03:19:21,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:19:21" (1/1) ... [2019-09-18 03:19:21,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:19:21,231 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:19:22,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:19:22,041 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:19:22,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:19:22,260 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:19:22,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:19:22 WrapperNode [2019-09-18 03:19:22,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:19:22,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:19:22,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:19:22,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:19:22,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:19:22" (1/1) ... [2019-09-18 03:19:22,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:19:22" (1/1) ... [2019-09-18 03:19:22,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:19:22" (1/1) ... [2019-09-18 03:19:22,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:19:22" (1/1) ... [2019-09-18 03:19:22,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:19:22" (1/1) ... [2019-09-18 03:19:22,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:19:22" (1/1) ... [2019-09-18 03:19:22,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:19:22" (1/1) ... [2019-09-18 03:19:22,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:19:22,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:19:22,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:19:22,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:19:22,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:19:22" (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 03:19:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:19:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:19:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 03:19:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 03:19:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 03:19:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 03:19:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 03:19:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 03:19:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 03:19:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 03:19:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 03:19:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 03:19:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 03:19:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-18 03:19:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 03:19:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-18 03:19:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-18 03:19:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-18 03:19:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-18 03:19:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-18 03:19:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-18 03:19:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-18 03:19:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-18 03:19:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-18 03:19:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-18 03:19:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-18 03:19:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-18 03:19:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-18 03:19:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-18 03:19:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-18 03:19:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-18 03:19:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-18 03:19:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-18 03:19:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-18 03:19:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-18 03:19:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-18 03:19:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-18 03:19:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-18 03:19:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-18 03:19:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-18 03:19:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-18 03:19:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-18 03:19:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-18 03:19:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-18 03:19:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-18 03:19:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-18 03:19:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-18 03:19:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-18 03:19:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-18 03:19:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-18 03:19:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-18 03:19:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-18 03:19:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-09-18 03:19:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-09-18 03:19:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-18 03:19:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-18 03:19:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-18 03:19:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-18 03:19:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-18 03:19:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-18 03:19:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-18 03:19:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-18 03:19:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-18 03:19:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-18 03:19:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-18 03:19:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-18 03:19:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-18 03:19:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-18 03:19:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-18 03:19:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-18 03:19:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-18 03:19:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-18 03:19:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-18 03:19:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-18 03:19:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-18 03:19:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-18 03:19:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-18 03:19:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-18 03:19:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-18 03:19:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-18 03:19:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-18 03:19:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-18 03:19:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-18 03:19:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-18 03:19:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-18 03:19:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-09-18 03:19:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 03:19:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-18 03:19:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-18 03:19:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-18 03:19:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-18 03:19:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-18 03:19:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 03:19:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:19:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-18 03:19:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-18 03:19:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-18 03:19:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:19:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 03:19:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 03:19:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 03:19:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 03:19:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 03:19:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 03:19:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:19:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:19:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 03:19:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:19:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:19:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:19:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:19:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 03:19:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:19:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 03:19:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 03:19:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:19:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 03:19:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 03:19:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 03:19:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 03:19:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 03:19:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-18 03:19:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 03:19:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-18 03:19:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-18 03:19:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-18 03:19:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-18 03:19:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-18 03:19:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-18 03:19:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-18 03:19:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-18 03:19:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-18 03:19:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-18 03:19:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-18 03:19:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-18 03:19:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-18 03:19:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-18 03:19:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-18 03:19:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-18 03:19:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-18 03:19:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-18 03:19:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-18 03:19:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-18 03:19:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-18 03:19:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-18 03:19:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-18 03:19:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-18 03:19:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-18 03:19:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-18 03:19:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-18 03:19:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-18 03:19:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-18 03:19:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-18 03:19:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-18 03:19:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-18 03:19:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-18 03:19:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-18 03:19:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-18 03:19:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-18 03:19:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-18 03:19:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-18 03:19:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-18 03:19:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-18 03:19:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-18 03:19:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-18 03:19:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-18 03:19:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-18 03:19:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-18 03:19:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-18 03:19:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-18 03:19:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-18 03:19:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-18 03:19:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-18 03:19:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-18 03:19:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-18 03:19:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-18 03:19:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-09-18 03:19:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-09-18 03:19:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-09-18 03:19:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-18 03:19:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-18 03:19:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-18 03:19:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-18 03:19:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-18 03:19:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-18 03:19:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-18 03:19:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-18 03:19:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-18 03:19:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-18 03:19:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-18 03:19:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-18 03:19:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-18 03:19:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-18 03:19:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-18 03:19:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-18 03:19:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-18 03:19:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-18 03:19:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-18 03:19:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-18 03:19:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 03:19:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-18 03:19:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-18 03:19:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-18 03:19:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-18 03:19:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 03:19:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:19:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:19:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 03:19:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:19:24,558 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:19:24,558 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-18 03:19:24,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:19:24 BoogieIcfgContainer [2019-09-18 03:19:24,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:19:24,562 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:19:24,562 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:19:24,562 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:19:24,563 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:19:24" (1/1) ... [2019-09-18 03:19:24,564 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 03:19:24,594 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:19:24,594 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:19:24,604 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:19:24,614 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:19:24,616 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:20:18,853 WARN L191 SmtUtils]: Spent 34.43 s on a formula simplification that was a NOOP. DAG size: 582 [2019-09-18 03:20:21,688 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 267 DAG size of output: 217 [2019-09-18 03:20:29,765 WARN L191 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 620 DAG size of output: 562 [2019-09-18 03:20:33,428 WARN L191 SmtUtils]: Spent 3.66 s on a formula simplification that was a NOOP. DAG size: 562 [2019-09-18 03:20:37,140 WARN L191 SmtUtils]: Spent 3.71 s on a formula simplification that was a NOOP. DAG size: 562 [2019-09-18 03:20:37,172 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 642 for LOIs [2019-09-18 03:20:37,482 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 624 for LOIs [2019-09-18 03:20:42,727 WARN L191 SmtUtils]: Spent 4.96 s on a formula simplification that was a NOOP. DAG size: 656 [2019-09-18 03:20:47,773 WARN L191 SmtUtils]: Spent 5.04 s on a formula simplification that was a NOOP. DAG size: 656 [2019-09-18 03:21:01,860 WARN L191 SmtUtils]: Spent 14.06 s on a formula simplification that was a NOOP. DAG size: 660 [2019-09-18 03:21:15,766 WARN L191 SmtUtils]: Spent 13.90 s on a formula simplification that was a NOOP. DAG size: 660 [2019-09-18 03:21:25,446 WARN L191 SmtUtils]: Spent 9.65 s on a formula simplification. DAG size of input: 660 DAG size of output: 658 [2019-09-18 03:21:30,133 WARN L191 SmtUtils]: Spent 4.69 s on a formula simplification that was a NOOP. DAG size: 658 [2019-09-18 03:22:11,419 WARN L191 SmtUtils]: Spent 41.05 s on a formula simplification. DAG size of input: 674 DAG size of output: 668 [2019-09-18 03:22:24,859 WARN L191 SmtUtils]: Spent 13.44 s on a formula simplification that was a NOOP. DAG size: 668 [2019-09-18 03:23:05,811 WARN L191 SmtUtils]: Spent 40.95 s on a formula simplification. DAG size of input: 674 DAG size of output: 668 [2019-09-18 03:23:19,314 WARN L191 SmtUtils]: Spent 13.50 s on a formula simplification that was a NOOP. DAG size: 668 [2019-09-18 03:24:00,385 WARN L191 SmtUtils]: Spent 41.07 s on a formula simplification. DAG size of input: 674 DAG size of output: 668 [2019-09-18 03:24:13,878 WARN L191 SmtUtils]: Spent 13.49 s on a formula simplification that was a NOOP. DAG size: 668 [2019-09-18 03:24:54,942 WARN L191 SmtUtils]: Spent 41.06 s on a formula simplification. DAG size of input: 674 DAG size of output: 668 [2019-09-18 03:25:08,417 WARN L191 SmtUtils]: Spent 13.47 s on a formula simplification that was a NOOP. DAG size: 668 [2019-09-18 03:25:49,562 WARN L191 SmtUtils]: Spent 41.14 s on a formula simplification. DAG size of input: 674 DAG size of output: 668 [2019-09-18 03:26:03,119 WARN L191 SmtUtils]: Spent 13.56 s on a formula simplification that was a NOOP. DAG size: 668 [2019-09-18 03:26:44,411 WARN L191 SmtUtils]: Spent 41.29 s on a formula simplification. DAG size of input: 674 DAG size of output: 668 [2019-09-18 03:26:57,995 WARN L191 SmtUtils]: Spent 13.58 s on a formula simplification that was a NOOP. DAG size: 668 [2019-09-18 03:27:39,184 WARN L191 SmtUtils]: Spent 41.19 s on a formula simplification. DAG size of input: 674 DAG size of output: 668 [2019-09-18 03:27:52,669 WARN L191 SmtUtils]: Spent 13.48 s on a formula simplification that was a NOOP. DAG size: 668 [2019-09-18 03:28:33,840 WARN L191 SmtUtils]: Spent 41.17 s on a formula simplification. DAG size of input: 674 DAG size of output: 668 [2019-09-18 03:28:47,379 WARN L191 SmtUtils]: Spent 13.54 s on a formula simplification that was a NOOP. DAG size: 668 [2019-09-18 03:29:28,536 WARN L191 SmtUtils]: Spent 41.16 s on a formula simplification. DAG size of input: 674 DAG size of output: 668 [2019-09-18 03:29:42,067 WARN L191 SmtUtils]: Spent 13.53 s on a formula simplification that was a NOOP. DAG size: 668 [2019-09-18 03:30:23,302 WARN L191 SmtUtils]: Spent 41.23 s on a formula simplification. DAG size of input: 674 DAG size of output: 668 [2019-09-18 03:30:36,800 WARN L191 SmtUtils]: Spent 13.50 s on a formula simplification that was a NOOP. DAG size: 668 [2019-09-18 03:31:17,971 WARN L191 SmtUtils]: Spent 41.17 s on a formula simplification. DAG size of input: 674 DAG size of output: 668 [2019-09-18 03:31:31,535 WARN L191 SmtUtils]: Spent 13.56 s on a formula simplification that was a NOOP. DAG size: 668 [2019-09-18 03:32:12,622 WARN L191 SmtUtils]: Spent 41.08 s on a formula simplification. DAG size of input: 674 DAG size of output: 668 [2019-09-18 03:32:26,107 WARN L191 SmtUtils]: Spent 13.48 s on a formula simplification that was a NOOP. DAG size: 668