/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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:23:24,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:23:24,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:23:24,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:23:24,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:23:24,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:23:24,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:23:24,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:23:24,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:23:24,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:23:24,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:23:24,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:23:24,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:23:24,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:23:24,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:23:24,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:23:24,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:23:24,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:23:24,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:23:24,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:23:24,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:23:24,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:23:24,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:23:24,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:23:24,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:23:24,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:23:24,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:23:24,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:23:24,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:23:24,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:23:24,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:23:24,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:23:24,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:23:24,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:23:24,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:23:24,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:23:24,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:23:24,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:23:24,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:23:24,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:23:24,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:23:24,618 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 10:23:24,632 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:23:24,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:23:24,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:23:24,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:23:24,634 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:23:24,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:23:24,634 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:23:24,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:23:24,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:23:24,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:23:24,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:23:24,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:23:24,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:23:24,636 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:23:24,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:23:24,636 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:23:24,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:23:24,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:23:24,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:23:24,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:23:24,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:23:24,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:23:24,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:23:24,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:23:24,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:23:24,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:23:24,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:23:24,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:23:24,639 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 10:23:24,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:23:24,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:23:24,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:23:24,942 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:23:24,943 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:23:24,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product09.cil.c [2019-11-07 10:23:25,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1be9aee0a/7e4533643f534dae9968529eb92bca66/FLAGab1d22fba [2019-11-07 10:23:25,637 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:23:25,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product09.cil.c [2019-11-07 10:23:25,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1be9aee0a/7e4533643f534dae9968529eb92bca66/FLAGab1d22fba [2019-11-07 10:23:25,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1be9aee0a/7e4533643f534dae9968529eb92bca66 [2019-11-07 10:23:25,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:23:25,924 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:23:25,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:23:25,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:23:25,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:23:25,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:23:25" (1/1) ... [2019-11-07 10:23:25,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2277760f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:23:25, skipping insertion in model container [2019-11-07 10:23:25,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:23:25" (1/1) ... [2019-11-07 10:23:25,941 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:23:26,005 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:23:26,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:23:26,753 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:23:26,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:23:26,964 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:23:26,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:23:26 WrapperNode [2019-11-07 10:23:26,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:23:26,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:23:26,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:23:26,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:23:26,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:23:26" (1/1) ... [2019-11-07 10:23:26,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:23:26" (1/1) ... [2019-11-07 10:23:27,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:23:26" (1/1) ... [2019-11-07 10:23:27,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:23:26" (1/1) ... [2019-11-07 10:23:27,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:23:26" (1/1) ... [2019-11-07 10:23:27,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:23:26" (1/1) ... [2019-11-07 10:23:27,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:23:26" (1/1) ... [2019-11-07 10:23:27,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:23:27,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:23:27,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:23:27,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:23:27,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:23:26" (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 10:23:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:23:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:23:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:23:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:23:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:23:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:23:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:23:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:23:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 10:23:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 10:23:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 10:23:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 10:23:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 10:23:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:23:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:23:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 10:23:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 10:23:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 10:23:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 10:23:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 10:23:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 10:23:27,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 10:23:27,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 10:23:27,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 10:23:27,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 10:23:27,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 10:23:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 10:23:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 10:23:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 10:23:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 10:23:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 10:23:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 10:23:27,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 10:23:27,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 10:23:27,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 10:23:27,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 10:23:27,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 10:23:27,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 10:23:27,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:23:27,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:23:27,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:23:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:23:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:23:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:23:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 10:23:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 10:23:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 10:23:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 10:23:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 10:23:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 10:23:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 10:23:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 10:23:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 10:23:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 10:23:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 10:23:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 10:23:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 10:23:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 10:23:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 10:23:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 10:23:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 10:23:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 10:23:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 10:23:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 10:23:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 10:23:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 10:23:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 10:23:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 10:23:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 10:23:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 10:23:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 10:23:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 10:23:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 10:23:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 10:23:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Base [2019-11-07 10:23:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 10:23:27,241 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 10:23:27,241 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-11-07 10:23:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 10:23:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 10:23:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 10:23:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 10:23:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 10:23:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 10:23:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 10:23:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 10:23:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 10:23:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 10:23:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 10:23:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 10:23:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 10:23:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 10:23:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:23:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-11-07 10:23:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:23:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:23:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 10:23:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 10:23:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 10:23:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:23:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:23:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:23:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:23:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:23:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:23:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 10:23:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 10:23:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 10:23:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 10:23:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 10:23:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 10:23:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 10:23:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 10:23:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 10:23:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 10:23:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 10:23:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 10:23:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 10:23:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 10:23:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 10:23:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:23:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:23:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:23:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 10:23:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 10:23:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 10:23:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 10:23:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 10:23:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 10:23:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 10:23:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 10:23:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 10:23:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 10:23:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 10:23:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 10:23:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 10:23:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 10:23:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 10:23:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 10:23:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 10:23:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 10:23:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 10:23:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 10:23:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 10:23:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:23:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:23:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:23:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:23:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:23:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:23:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:23:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:23:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:23:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:23:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:23:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:23:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:23:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:23:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:23:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:23:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 10:23:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 10:23:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 10:23:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 10:23:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 10:23:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 10:23:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 10:23:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 10:23:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 10:23:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 10:23:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 10:23:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 10:23:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 10:23:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 10:23:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 10:23:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 10:23:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 10:23:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 10:23:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 10:23:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 10:23:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 10:23:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 10:23:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 10:23:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 10:23:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 10:23:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 10:23:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 10:23:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 10:23:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 10:23:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 10:23:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 10:23:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 10:23:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 10:23:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Base [2019-11-07 10:23:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-11-07 10:23:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-11-07 10:23:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 10:23:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 10:23:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 10:23:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:23:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:23:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:23:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:23:31,859 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:23:31,860 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 10:23:31,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:23:31 BoogieIcfgContainer [2019-11-07 10:23:31,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:23:31,862 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:23:31,862 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:23:31,862 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:23:31,864 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:23:31" (1/1) ... [2019-11-07 10:23:31,864 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 10:23:31,889 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:23:31,889 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:23:31,898 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:23:31,906 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:23:31,907 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:23:45,002 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-11-07 10:23:47,765 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 267 DAG size of output: 217 [2019-11-07 10:23:48,065 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-11-07 10:23:48,097 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 683 for LOIs [2019-11-07 10:23:48,197 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 684 for LOIs [2019-11-07 10:23:49,407 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 757 [2019-11-07 10:23:50,067 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-11-07 10:23:50,521 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 737 [2019-11-07 10:23:51,313 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 1227 DAG size of output: 1215 [2019-11-07 10:23:52,302 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 595 [2019-11-07 10:23:52,981 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-11-07 10:23:53,928 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 1233 DAG size of output: 1230 [2019-11-07 10:23:54,401 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 10:23:54,775 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 714 [2019-11-07 10:23:55,433 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 1200 DAG size of output: 1197 [2019-11-07 10:23:56,424 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 589 [2019-11-07 10:23:57,205 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2019-11-07 10:23:58,317 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1210 [2019-11-07 10:23:58,789 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 10:23:59,257 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 722 [2019-11-07 10:23:59,911 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 1190 DAG size of output: 1187 [2019-11-07 10:24:00,407 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-11-07 10:24:00,876 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 718 [2019-11-07 10:24:01,483 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 1179 [2019-11-07 10:24:01,872 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-11-07 10:24:02,201 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 702 [2019-11-07 10:24:02,732 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 1164 DAG size of output: 1161 [2019-11-07 10:24:03,351 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-11-07 10:24:03,903 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 722 [2019-11-07 10:24:04,807 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 1178 DAG size of output: 1175 [2019-11-07 10:24:05,260 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-11-07 10:24:05,580 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 692 [2019-11-07 10:24:06,079 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 1146 DAG size of output: 1143 [2019-11-07 10:24:06,675 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 574 [2019-11-07 10:24:07,284 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 714