/usr/bin/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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec0_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:24:45,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:24:45,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:24:45,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:24:45,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:24:45,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:24:45,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:24:46,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:24:46,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:24:46,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:24:46,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:24:46,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:24:46,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:24:46,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:24:46,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:24:46,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:24:46,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:24:46,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:24:46,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:24:46,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:24:46,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:24:46,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:24:46,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:24:46,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:24:46,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:24:46,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:24:46,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:24:46,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:24:46,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:24:46,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:24:46,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:24:46,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:24:46,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:24:46,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:24:46,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:24:46,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:24:46,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:24:46,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:24:46,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:24:46,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:24:46,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:24:46,053 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 [2019-11-07 10:24:46,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:24:46,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:24:46,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:24:46,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:24:46,094 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:24:46,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:24:46,094 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:24:46,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:24:46,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:24:46,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:24:46,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:24:46,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:24:46,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:24:46,096 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:24:46,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:24:46,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:24:46,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:24:46,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:24:46,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:24:46,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:24:46,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:24:46,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:24:46,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:24:46,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:24:46,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:24:46,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:24:46,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:24:46,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:24:46,101 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:24:46,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:24:46,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:24:46,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:24:46,420 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:24:46,420 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:24:46,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product31.cil.c [2019-11-07 10:24:46,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ea50c85/3fb6429ebf6648db996441806250affa/FLAGd38354ac8 [2019-11-07 10:24:47,134 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:24:47,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product31.cil.c [2019-11-07 10:24:47,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ea50c85/3fb6429ebf6648db996441806250affa/FLAGd38354ac8 [2019-11-07 10:24:47,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ea50c85/3fb6429ebf6648db996441806250affa [2019-11-07 10:24:47,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:24:47,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:24:47,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:24:47,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:24:47,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:24:47,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:24:47" (1/1) ... [2019-11-07 10:24:47,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf0de87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:24:47, skipping insertion in model container [2019-11-07 10:24:47,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:24:47" (1/1) ... [2019-11-07 10:24:47,428 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:24:47,494 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:24:48,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:24:48,284 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:24:48,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:24:48,557 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:24:48,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:24:48 WrapperNode [2019-11-07 10:24:48,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:24:48,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:24:48,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:24:48,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:24:48,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:24:48" (1/1) ... [2019-11-07 10:24:48,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:24:48" (1/1) ... [2019-11-07 10:24:48,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:24:48" (1/1) ... [2019-11-07 10:24:48,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:24:48" (1/1) ... [2019-11-07 10:24:48,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:24:48" (1/1) ... [2019-11-07 10:24:48,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:24:48" (1/1) ... [2019-11-07 10:24:48,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:24:48" (1/1) ... [2019-11-07 10:24:48,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:24:48,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:24:48,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:24:48,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:24:48,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:24:48" (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 [2019-11-07 10:24:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:24:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:24:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:24:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 10:24:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 10:24:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 10:24:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 10:24:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 10:24:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 10:24:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 10:24:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 10:24:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 10:24:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 10:24:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 10:24:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 10:24:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 10:24:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 10:24:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 10:24:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 10:24:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 10:24:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 10:24:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 10:24:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 10:24:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 10:24:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:24:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:24:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:24:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:24:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:24:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:24:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:24:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 10:24:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 10:24:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 10:24:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 10:24:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 10:24:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 10:24:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 10:24:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 10:24:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:24:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:24:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 10:24:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 10:24:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 10:24:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 10:24:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 10:24:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 10:24:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 10:24:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 10:24:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 10:24:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 10:24:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 10:24:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 10:24:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-07 10:24:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 10:24:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 10:24:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 10:24:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 10:24:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 10:24:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 10:24:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 10:24:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 10:24:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 10:24:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 10:24:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 10:24:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 10:24:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 10:24:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 10:24:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 10:24:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 10:24:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 10:24:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-11-07 10:24:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:24:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:24:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:24:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:24:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:24:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 10:24:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 10:24:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 10:24:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 10:24:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 10:24:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 10:24:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 10:24:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 10:24:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 10:24:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 10:24:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 10:24:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 10:24:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 10:24:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 10:24:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 10:24:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 10:24:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 10:24:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 10:24:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 10:24:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 10:24:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 10:24:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 10:24:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 10:24:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 10:24:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 10:24:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 10:24:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 10:24:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 10:24:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 10:24:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 10:24:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-11-07 10:24:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-11-07 10:24:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 10:24:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 10:24:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 10:24:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 10:24:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 10:24:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 10:24:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:24:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:24:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 10:24:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 10:24:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 10:24:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 10:24:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 10:24:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 10:24:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 10:24:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 10:24:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 10:24:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 10:24:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 10:24:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 10:24:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 10:24:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 10:24:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 10:24:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 10:24:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 10:24:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 10:24:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 10:24:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 10:24:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 10:24:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:24:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:24:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:24:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:24:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:24:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:24:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:24:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:24:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:24:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:24:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:24:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:24:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:24:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:24:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:24:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:24:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:24:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 10:24:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 10:24:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 10:24:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 10:24:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 10:24:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 10:24:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 10:24:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 10:24:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 10:24:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:24:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:24:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 10:24:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 10:24:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 10:24:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 10:24:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 10:24:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 10:24:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 10:24:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 10:24:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 10:24:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:24:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:24:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:24:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 10:24:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 10:24:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 10:24:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 10:24:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 10:24:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 10:24:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 10:24:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 10:24:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 10:24:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 10:24:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:24:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:24:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 10:24:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 10:24:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 10:24:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 10:24:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 10:24:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 10:24:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 10:24:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 10:24:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 10:24:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 10:24:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 10:24:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 10:24:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 10:24:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 10:24:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 10:24:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 10:24:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 10:24:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 10:24:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 10:24:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 10:24:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 10:24:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 10:24:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 10:24:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-07 10:24:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 10:24:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 10:24:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 10:24:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-11-07 10:24:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:24:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:24:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 10:24:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 10:24:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 10:24:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 10:24:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 10:24:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 10:24:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 10:24:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 10:24:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 10:24:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 10:24:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 10:24:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 10:24:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 10:24:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 10:24:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 10:24:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 10:24:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 10:24:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 10:24:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-11-07 10:24:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-11-07 10:24:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 10:24:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 10:24:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:24:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:24:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:24:53,237 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:24:53,238 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 10:24:53,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:24:53 BoogieIcfgContainer [2019-11-07 10:24:53,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:24:53,240 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:24:53,240 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:24:53,240 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:24:53,242 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:24:53" (1/1) ... [2019-11-07 10:24:53,242 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:24:53,277 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:24:53,278 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:24:53,304 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:24:53,317 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:24:53,318 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:25:31,390 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 674