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/email_spec0_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:29:17,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:29:17,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:29:17,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:29:17,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:29:17,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:29:17,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:29:17,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:29:17,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:29:17,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:29:17,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:29:17,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:29:17,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:29:17,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:29:17,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:29:17,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:29:17,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:29:17,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:29:17,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:29:17,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:29:17,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:29:17,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:29:17,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:29:17,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:29:17,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:29:17,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:29:17,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:29:17,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:29:17,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:29:17,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:29:17,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:29:17,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:29:17,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:29:17,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:29:17,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:29:17,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:29:17,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:29:17,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:29:17,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:29:17,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:29:17,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:29:17,361 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 [2019-09-20 19:29:17,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:29:17,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:29:17,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:29:17,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:29:17,376 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:29:17,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:29:17,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:29:17,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:29:17,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:29:17,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:29:17,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:29:17,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:29:17,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:29:17,378 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:29:17,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:29:17,378 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:29:17,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:29:17,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:29:17,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:29:17,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:29:17,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:29:17,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:29:17,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:29:17,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:29:17,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:29:17,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:29:17,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:29:17,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:29:17,381 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 [2019-09-20 19:29:17,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:29:17,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:29:17,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:29:17,442 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:29:17,442 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:29:17,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product05.cil.c [2019-09-20 19:29:17,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68cc2b457/89e19ea515884b69928df0325fc16d3d/FLAGe34af4cc2 [2019-09-20 19:29:18,169 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:29:18,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product05.cil.c [2019-09-20 19:29:18,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68cc2b457/89e19ea515884b69928df0325fc16d3d/FLAGe34af4cc2 [2019-09-20 19:29:18,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68cc2b457/89e19ea515884b69928df0325fc16d3d [2019-09-20 19:29:18,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:29:18,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:29:18,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:29:18,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:29:18,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:29:18,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:29:18" (1/1) ... [2019-09-20 19:29:18,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b50909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:18, skipping insertion in model container [2019-09-20 19:29:18,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:29:18" (1/1) ... [2019-09-20 19:29:18,431 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:29:18,505 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:29:19,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:29:19,264 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:29:19,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:29:19,504 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:29:19,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:19 WrapperNode [2019-09-20 19:29:19,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:29:19,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:29:19,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:29:19,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:29:19,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:19" (1/1) ... [2019-09-20 19:29:19,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:19" (1/1) ... [2019-09-20 19:29:19,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:19" (1/1) ... [2019-09-20 19:29:19,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:19" (1/1) ... [2019-09-20 19:29:19,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:19" (1/1) ... [2019-09-20 19:29:19,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:19" (1/1) ... [2019-09-20 19:29:19,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:19" (1/1) ... [2019-09-20 19:29:19,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:29:19,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:29:19,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:29:19,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:29:19,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:19" (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 [2019-09-20 19:29:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:29:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:29:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 19:29:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-20 19:29:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-20 19:29:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-20 19:29:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-20 19:29:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-20 19:29:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 19:29:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:29:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-20 19:29:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 19:29:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 19:29:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-20 19:29:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-20 19:29:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-20 19:29:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-20 19:29:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-20 19:29:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-20 19:29:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-20 19:29:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-20 19:29:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-20 19:29:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-20 19:29:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-20 19:29:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-20 19:29:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-20 19:29:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-20 19:29:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-20 19:29:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-20 19:29:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-20 19:29:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-20 19:29:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-20 19:29:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-20 19:29:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-20 19:29:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 19:29:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 19:29:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 19:29:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 19:29:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 19:29:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 19:29:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-09-20 19:29:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-20 19:29:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-20 19:29:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-20 19:29:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-20 19:29:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-20 19:29:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-20 19:29:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-20 19:29:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-20 19:29:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-20 19:29:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-20 19:29:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-20 19:29:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-20 19:29:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-20 19:29:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-20 19:29:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-20 19:29:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-20 19:29:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-20 19:29:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-20 19:29:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-20 19:29:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-20 19:29:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-20 19:29:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-20 19:29:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-20 19:29:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-20 19:29:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-20 19:29:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-20 19:29:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-20 19:29:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-20 19:29:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-20 19:29:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-20 19:29:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-20 19:29:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-20 19:29:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-09-20 19:29:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-20 19:29:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-20 19:29:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-20 19:29:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-20 19:29:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-20 19:29:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-20 19:29:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-20 19:29:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-20 19:29:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-20 19:29:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-20 19:29:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-20 19:29:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-20 19:29:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-20 19:29:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 19:29:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 19:29:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 19:29:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 19:29:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:29:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:29:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 19:29:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 19:29:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-20 19:29:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-20 19:29:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 19:29:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 19:29:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 19:29:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-20 19:29:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-20 19:29:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-20 19:29:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-20 19:29:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-20 19:29:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-20 19:29:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-20 19:29:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-20 19:29:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-20 19:29:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-20 19:29:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 19:29:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 19:29:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:29:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-20 19:29:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:29:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 19:29:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-20 19:29:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-20 19:29:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-20 19:29:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-20 19:29:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-20 19:29:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-20 19:29:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-20 19:29:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-20 19:29:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-20 19:29:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-20 19:29:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-20 19:29:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-20 19:29:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-20 19:29:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-20 19:29:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-20 19:29:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-20 19:29:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-20 19:29:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-20 19:29:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-20 19:29:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-20 19:29:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-20 19:29:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 19:29:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:29:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:29:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 19:29:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:29:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:29:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:29:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:29:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 19:29:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:29:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 19:29:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 19:29:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:29:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 19:29:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 19:29:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 19:29:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-20 19:29:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-09-20 19:29:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-20 19:29:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-20 19:29:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-20 19:29:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-20 19:29:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-20 19:29:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-20 19:29:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-20 19:29:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-20 19:29:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-20 19:29:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-20 19:29:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-20 19:29:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-20 19:29:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-20 19:29:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-20 19:29:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-20 19:29:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-20 19:29:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-20 19:29:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-20 19:29:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-20 19:29:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-20 19:29:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-20 19:29:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-20 19:29:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-20 19:29:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-20 19:29:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-20 19:29:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-20 19:29:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-20 19:29:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-20 19:29:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-20 19:29:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-20 19:29:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-20 19:29:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-20 19:29:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-20 19:29:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-20 19:29:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-20 19:29:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-09-20 19:29:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-20 19:29:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-20 19:29:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 19:29:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:29:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:29:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:29:22,120 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:29:22,120 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 19:29:22,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:29:22 BoogieIcfgContainer [2019-09-20 19:29:22,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:29:22,124 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:29:22,124 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:29:22,124 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:29:22,125 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:29:22" (1/1) ... [2019-09-20 19:29:22,126 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 [2019-09-20 19:29:22,156 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:29:22,156 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:29:22,170 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:29:22,184 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:29:22,186 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:29:22,672 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 19:29:23,040 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-20 19:29:23,190 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:29:23,395 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-20 19:29:23,734 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-20 19:29:24,086 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-20 19:29:24,484 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-20 19:29:24,831 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-20 19:29:25,659 WARN L191 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 155 [2019-09-20 19:29:26,416 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 150 [2019-09-20 19:29:27,597 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 208 DAG size of output: 163 [2019-09-20 19:29:28,527 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 162 [2019-09-20 19:29:29,704 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 176 [2019-09-20 19:29:30,626 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 171 [2019-09-20 19:29:30,832 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 19:29:31,900 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 271 DAG size of output: 184 [2019-09-20 19:29:32,943 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 181 [2019-09-20 19:29:33,256 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-20 19:29:34,955 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 308 DAG size of output: 194 [2019-09-20 19:29:35,163 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 19:29:36,261 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 234 DAG size of output: 195 [2019-09-20 19:29:36,666 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 19:29:38,698 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 332 DAG size of output: 208 [2019-09-20 19:29:39,969 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 246 DAG size of output: 205 [2019-09-20 19:29:40,500 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2019-09-20 19:29:42,885 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 358 DAG size of output: 218 [2019-09-20 19:29:44,388 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 260 DAG size of output: 217 [2019-09-20 19:29:45,078 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2019-09-20 19:29:47,800 WARN L191 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 393 DAG size of output: 230 [2019-09-20 19:29:48,061 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 19:29:49,626 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 275 DAG size of output: 233 [2019-09-20 19:29:50,434 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2019-09-20 19:29:54,037 WARN L191 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 479 DAG size of output: 247 [2019-09-20 19:29:55,775 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 284 DAG size of output: 242 [2019-09-20 19:29:56,878 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2019-09-20 19:30:01,045 WARN L191 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 481 DAG size of output: 255 [2019-09-20 19:30:01,311 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 118