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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:56:03,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:56:03,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:56:03,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:56:03,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:56:03,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:56:03,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:56:03,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:56:03,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:56:03,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:56:03,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:56:03,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:56:03,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:56:03,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:56:03,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:56:03,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:56:03,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:56:03,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:56:03,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:56:03,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:56:03,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:56:03,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:56:03,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:56:03,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:56:03,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:56:03,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:56:03,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:56:03,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:56:03,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:56:03,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:56:03,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:56:03,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:56:03,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:56:03,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:56:03,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:56:03,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:56:03,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:56:03,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:56:03,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:56:03,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:56:03,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:56:03,788 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 [2019-09-21 09:56:03,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:56:03,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:56:03,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:56:03,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:56:03,805 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:56:03,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:56:03,805 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:56:03,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:56:03,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:56:03,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:56:03,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:56:03,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:56:03,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:56:03,807 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:56:03,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:56:03,807 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:56:03,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:56:03,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:56:03,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:56:03,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:56:03,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:56:03,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:56:03,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:56:03,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:56:03,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:56:03,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:56:03,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:56:03,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:56:03,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock 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_QUICK [2019-09-21 09:56:03,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:56:03,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:56:03,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:56:03,875 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:56:03,875 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:56:03,876 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product13.cil.c [2019-09-21 09:56:03,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2268cda05/8941ef54b90640a9aa45bdf5a824ecd2/FLAGc39cec138 [2019-09-21 09:56:04,528 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:56:04,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product13.cil.c [2019-09-21 09:56:04,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2268cda05/8941ef54b90640a9aa45bdf5a824ecd2/FLAGc39cec138 [2019-09-21 09:56:04,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2268cda05/8941ef54b90640a9aa45bdf5a824ecd2 [2019-09-21 09:56:04,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:56:04,782 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:56:04,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:56:04,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:56:04,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:56:04,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:56:04" (1/1) ... [2019-09-21 09:56:04,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:56:04, skipping insertion in model container [2019-09-21 09:56:04,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:56:04" (1/1) ... [2019-09-21 09:56:04,795 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:56:04,875 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:56:05,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:56:05,626 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:56:05,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:56:05,832 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:56:05,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:56:05 WrapperNode [2019-09-21 09:56:05,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:56:05,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:56:05,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:56:05,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:56:05,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:56:05" (1/1) ... [2019-09-21 09:56:05,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:56:05" (1/1) ... [2019-09-21 09:56:05,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:56:05" (1/1) ... [2019-09-21 09:56:05,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:56:05" (1/1) ... [2019-09-21 09:56:05,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:56:05" (1/1) ... [2019-09-21 09:56:06,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:56:05" (1/1) ... [2019-09-21 09:56:06,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:56:05" (1/1) ... [2019-09-21 09:56:06,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:56:06,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:56:06,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:56:06,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:56:06,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:56:05" (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 [2019-09-21 09:56:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:56:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:56:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:56:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-09-21 09:56:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-21 09:56:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-21 09:56:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-21 09:56:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-21 09:56:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-21 09:56:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-21 09:56:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-21 09:56:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-21 09:56:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:56:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:56:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-21 09:56:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-21 09:56:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-21 09:56:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-21 09:56:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-21 09:56:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-21 09:56:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-21 09:56:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-21 09:56:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-21 09:56:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:56:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:56:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:56:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:56:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:56:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:56:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:56:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:56:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:56:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:56:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:56:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-21 09:56:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-21 09:56:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-21 09:56:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-21 09:56:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-21 09:56:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-21 09:56:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-21 09:56:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-21 09:56:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-21 09:56:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-21 09:56:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-21 09:56:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-21 09:56:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-21 09:56:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-21 09:56:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-21 09:56:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-21 09:56:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-21 09:56:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-21 09:56:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-21 09:56:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-21 09:56:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-21 09:56:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-21 09:56:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-21 09:56:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-09-21 09:56:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-21 09:56:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-21 09:56:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-21 09:56:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-21 09:56:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-21 09:56:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-21 09:56:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-21 09:56:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-21 09:56:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-21 09:56:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-21 09:56:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-21 09:56:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-21 09:56:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-21 09:56:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-21 09:56:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-21 09:56:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-21 09:56:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-21 09:56:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-21 09:56:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-21 09:56:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-21 09:56:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-21 09:56:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-21 09:56:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-21 09:56:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-21 09:56:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-21 09:56:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-21 09:56:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-21 09:56:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-21 09:56:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-21 09:56:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-21 09:56:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-21 09:56:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-21 09:56:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-21 09:56:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-21 09:56:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-21 09:56:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-21 09:56:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-21 09:56:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-21 09:56:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-21 09:56:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-21 09:56:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-21 09:56:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-21 09:56:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-21 09:56:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-21 09:56:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-21 09:56:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-21 09:56:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-21 09:56:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-21 09:56:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-21 09:56:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:56:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:56:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:56:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:56:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-21 09:56:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-09-21 09:56:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:56:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-21 09:56:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-21 09:56:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-21 09:56:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-21 09:56:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-21 09:56:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-21 09:56:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-21 09:56:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-21 09:56:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:56:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:56:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:56:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-21 09:56:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-21 09:56:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-21 09:56:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-21 09:56:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-21 09:56:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-21 09:56:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-21 09:56:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-21 09:56:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-21 09:56:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-21 09:56:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-21 09:56:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:56:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:56:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:56:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-21 09:56:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-21 09:56:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-21 09:56:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-21 09:56:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-21 09:56:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-21 09:56:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-21 09:56:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-21 09:56:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-21 09:56:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-21 09:56:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-21 09:56:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-21 09:56:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:56:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:56:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:56:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:56:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:56:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:56:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:56:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:56:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:56:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:56:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:56:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:56:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:56:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:56:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:56:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:56:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:56:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:56:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-21 09:56:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-21 09:56:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-21 09:56:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-21 09:56:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-21 09:56:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-21 09:56:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-21 09:56:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-21 09:56:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-21 09:56:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-21 09:56:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-21 09:56:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-21 09:56:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-21 09:56:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-21 09:56:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-21 09:56:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-21 09:56:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-21 09:56:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-21 09:56:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-21 09:56:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-21 09:56:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-21 09:56:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-21 09:56:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-21 09:56:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-21 09:56:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-21 09:56:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-21 09:56:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-09-21 09:56:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-21 09:56:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-21 09:56:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-21 09:56:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-21 09:56:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-21 09:56:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-21 09:56:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-21 09:56:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-21 09:56:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-21 09:56:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-21 09:56:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-21 09:56:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-21 09:56:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-21 09:56:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-21 09:56:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-21 09:56:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-21 09:56:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-21 09:56:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-21 09:56:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-21 09:56:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-21 09:56:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-21 09:56:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-21 09:56:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-21 09:56:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-21 09:56:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-21 09:56:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-21 09:56:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-21 09:56:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-21 09:56:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-21 09:56:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-21 09:56:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-21 09:56:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-21 09:56:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:56:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:56:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:56:10,342 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:56:10,343 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-21 09:56:10,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:56:10 BoogieIcfgContainer [2019-09-21 09:56:10,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:56:10,345 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:56:10,345 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:56:10,345 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:56:10,346 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:56:10" (1/1) ... [2019-09-21 09:56:10,347 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:56:10,371 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:56:10,371 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:56:10,382 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:56:10,390 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:56:10,392 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:56:38,229 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-09-21 09:56:41,353 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 207 [2019-09-21 09:56:41,706 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-09-21 09:56:41,963 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-09-21 09:56:42,226 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-09-21 09:56:42,439 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2019-09-21 09:56:43,086 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 946 [2019-09-21 09:56:43,126 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 974 for LOIs [2019-09-21 09:56:43,480 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 973 for LOIs [2019-09-21 09:56:45,030 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 984 [2019-09-21 09:56:45,667 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 984