java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --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_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:12:09,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:12:09,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:12:09,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:12:09,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:12:09,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:12:09,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:12:09,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:12:09,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:12:09,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:12:09,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:12:09,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:12:09,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:12:09,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:12:09,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:12:09,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:12:09,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:12:09,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:12:09,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:12:09,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:12:09,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:12:09,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:12:09,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:12:09,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:12:09,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:12:09,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:12:09,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:12:09,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:12:09,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:12:09,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:12:09,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:12:09,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:12:09,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:12:09,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:12:09,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:12:09,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:12:09,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:12:09,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:12:09,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:12:09,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:12:09,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:12:09,329 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 [2019-10-15 03:12:09,349 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:12:09,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:12:09,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:12:09,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:12:09,351 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:12:09,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:12:09,351 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:12:09,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:12:09,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:12:09,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:12:09,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:12:09,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:12:09,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:12:09,353 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:12:09,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:12:09,353 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:12:09,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:12:09,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:12:09,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:12:09,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:12:09,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:12:09,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:12:09,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:12:09,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:12:09,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:12:09,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:12:09,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:12:09,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:12:09,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN 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 [2019-10-15 03:12:09,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:12:09,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:12:09,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:12:09,708 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:12:09,709 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:12:09,709 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c [2019-10-15 03:12:09,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c841e963/abe98c31a93049b4b46d437519d46816/FLAG960557b2a [2019-10-15 03:12:10,393 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:12:10,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c [2019-10-15 03:12:10,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c841e963/abe98c31a93049b4b46d437519d46816/FLAG960557b2a [2019-10-15 03:12:10,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c841e963/abe98c31a93049b4b46d437519d46816 [2019-10-15 03:12:10,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:12:10,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:12:10,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:12:10,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:12:10,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:12:10,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:12:10" (1/1) ... [2019-10-15 03:12:10,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5f6572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:10, skipping insertion in model container [2019-10-15 03:12:10,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:12:10" (1/1) ... [2019-10-15 03:12:10,623 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:12:10,702 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:12:11,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:12:11,331 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:12:11,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:12:11,588 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:12:11,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11 WrapperNode [2019-10-15 03:12:11,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:12:11,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:12:11,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:12:11,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:12:11,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:12:11,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:12:11,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:12:11,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:12:11,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (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 [2019-10-15 03:12:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:12:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:12:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:12:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:12:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:12:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:12:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:12:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:12:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:12:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:12:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:12:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:12:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:12:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:12:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:12:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:12:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:12:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:12:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:12:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:12:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:12:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:12:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:12:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:12:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:12:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:12:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:12:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:12:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:12:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:12:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:12:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:12:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:12:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:12:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:12:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:12:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:12:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:12:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:12:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:12:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:12:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:12:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:12:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:12:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:12:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:12:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:12:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:12:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:12:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:12:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:12:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:12:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:12:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:12:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:12:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:12:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:12:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:12:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:12:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:12:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:12:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:12:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:12:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:12:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:12:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:12:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:12:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:12:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:12:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:12:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:12:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:12:11,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:12:11,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:12:11,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:12:11,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:12:11,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:12:11,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:12:11,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:12:11,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:12:11,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:12:11,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:12:11,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:12:11,887 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:12:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:12:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:12:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:12:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:12:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:12:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:12:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:12:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:12:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:12:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:12:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:12:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:12:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:12:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:12:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:12:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:12:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:12:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:12:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:12:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:12:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:12:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 03:12:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:12:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:12:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:12:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:12:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:12:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:12:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:12:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:12:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:12:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:12:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:12:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:12:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:12:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:12:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:12:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:12:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:12:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:12:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:12:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:12:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:12:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:12:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:12:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:12:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:12:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:12:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:12:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:12:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:12:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:12:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:12:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:12:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:12:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:12:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:12:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:12:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:12:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:12:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:12:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:12:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:12:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:12:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:12:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:12:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:12:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:12:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:12:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:12:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:12:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:12:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:12:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:12:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:12:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:12:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:12:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:12:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:12:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:12:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:12:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:12:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:12:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:12:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:12:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:12:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:12:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:12:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:12:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:12:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:12:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:12:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:12:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:12:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:12:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:12:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:12:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:12:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:12:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 03:12:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:12:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:12:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:12:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:12:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:12:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:12:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:12:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:12:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:12:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:12:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:12:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:12:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:12:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:12:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:12:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:12:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:12:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:12:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:12:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:12:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:12:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:12:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:12:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:12:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:12:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:12:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:12:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:12:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:12:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:12:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:12:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:12:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:12:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:12:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:12:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:12:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:12:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:12:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:12:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:12:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:12:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:12:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:12:16,512 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:12:16,514 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:12:16,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:12:16 BoogieIcfgContainer [2019-10-15 03:12:16,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:12:16,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:12:16,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:12:16,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:12:16,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:12:10" (1/3) ... [2019-10-15 03:12:16,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcc7b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:12:16, skipping insertion in model container [2019-10-15 03:12:16,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (2/3) ... [2019-10-15 03:12:16,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcc7b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:12:16, skipping insertion in model container [2019-10-15 03:12:16,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:12:16" (3/3) ... [2019-10-15 03:12:16,527 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product12.cil.c [2019-10-15 03:12:16,538 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:12:16,552 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:12:16,564 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:12:16,606 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:12:16,606 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:12:16,606 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:12:16,607 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:12:16,607 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:12:16,607 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:12:16,607 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:12:16,607 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:12:16,634 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2019-10-15 03:12:16,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-15 03:12:16,650 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:16,651 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:12:16,654 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:16,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:16,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1110547806, now seen corresponding path program 1 times [2019-10-15 03:12:16,670 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:16,670 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321966533] [2019-10-15 03:12:16,671 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:16,671 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:16,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:17,271 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321966533] [2019-10-15 03:12:17,272 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:17,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:12:17,273 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661551740] [2019-10-15 03:12:17,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:12:17,279 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:17,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:12:17,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:12:17,297 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 2 states. [2019-10-15 03:12:17,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:17,357 INFO L93 Difference]: Finished difference Result 399 states and 476 transitions. [2019-10-15 03:12:17,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:12:17,359 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 114 [2019-10-15 03:12:17,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:17,377 INFO L225 Difference]: With dead ends: 399 [2019-10-15 03:12:17,377 INFO L226 Difference]: Without dead ends: 271 [2019-10-15 03:12:17,382 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:12:17,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-10-15 03:12:17,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2019-10-15 03:12:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2019-10-15 03:12:17,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 323 transitions. [2019-10-15 03:12:17,486 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 323 transitions. Word has length 114 [2019-10-15 03:12:17,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:17,488 INFO L462 AbstractCegarLoop]: Abstraction has 271 states and 323 transitions. [2019-10-15 03:12:17,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:12:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 323 transitions. [2019-10-15 03:12:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-15 03:12:17,500 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:17,501 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:12:17,502 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:17,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:17,502 INFO L82 PathProgramCache]: Analyzing trace with hash 448657957, now seen corresponding path program 1 times [2019-10-15 03:12:17,503 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:17,503 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605647118] [2019-10-15 03:12:17,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:17,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:17,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:17,761 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:17,761 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605647118] [2019-10-15 03:12:17,761 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:17,761 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:12:17,762 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957046339] [2019-10-15 03:12:17,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:12:17,765 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:17,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:12:17,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:17,766 INFO L87 Difference]: Start difference. First operand 271 states and 323 transitions. Second operand 3 states. [2019-10-15 03:12:17,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:17,828 INFO L93 Difference]: Finished difference Result 384 states and 448 transitions. [2019-10-15 03:12:17,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:12:17,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2019-10-15 03:12:17,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:17,833 INFO L225 Difference]: With dead ends: 384 [2019-10-15 03:12:17,834 INFO L226 Difference]: Without dead ends: 273 [2019-10-15 03:12:17,836 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:17,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-10-15 03:12:17,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2019-10-15 03:12:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2019-10-15 03:12:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 325 transitions. [2019-10-15 03:12:17,864 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 325 transitions. Word has length 115 [2019-10-15 03:12:17,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:17,865 INFO L462 AbstractCegarLoop]: Abstraction has 273 states and 325 transitions. [2019-10-15 03:12:17,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:12:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 325 transitions. [2019-10-15 03:12:17,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-15 03:12:17,868 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:17,868 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:12:17,868 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:17,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:17,869 INFO L82 PathProgramCache]: Analyzing trace with hash 246978125, now seen corresponding path program 1 times [2019-10-15 03:12:17,869 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:17,869 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000333658] [2019-10-15 03:12:17,869 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:17,870 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:17,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:18,032 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000333658] [2019-10-15 03:12:18,032 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:18,032 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:12:18,033 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460295559] [2019-10-15 03:12:18,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:12:18,037 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:18,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:12:18,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:18,038 INFO L87 Difference]: Start difference. First operand 273 states and 325 transitions. Second operand 3 states. [2019-10-15 03:12:18,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:18,099 INFO L93 Difference]: Finished difference Result 526 states and 654 transitions. [2019-10-15 03:12:18,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:12:18,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2019-10-15 03:12:18,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:18,113 INFO L225 Difference]: With dead ends: 526 [2019-10-15 03:12:18,114 INFO L226 Difference]: Without dead ends: 311 [2019-10-15 03:12:18,116 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:18,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-10-15 03:12:18,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 310. [2019-10-15 03:12:18,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-10-15 03:12:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 390 transitions. [2019-10-15 03:12:18,172 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 390 transitions. Word has length 120 [2019-10-15 03:12:18,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:18,173 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 390 transitions. [2019-10-15 03:12:18,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:12:18,173 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 390 transitions. [2019-10-15 03:12:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-15 03:12:18,178 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:18,178 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:12:18,179 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:18,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:18,179 INFO L82 PathProgramCache]: Analyzing trace with hash -2077735623, now seen corresponding path program 1 times [2019-10-15 03:12:18,180 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:18,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410425814] [2019-10-15 03:12:18,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:18,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:18,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:18,519 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:18,520 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410425814] [2019-10-15 03:12:18,520 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516131973] [2019-10-15 03:12:18,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:12:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:19,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 2156 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:12:19,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:12:19,122 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:19,122 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:12:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:19,348 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1854404489] [2019-10-15 03:12:19,379 INFO L162 IcfgInterpreter]: Started Sifa with 110 locations of interest [2019-10-15 03:12:19,379 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:12:19,386 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:12:19,395 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:12:19,396 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 03:12:42,880 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-15 03:12:46,065 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 254 DAG size of output: 207 [2019-10-15 03:12:46,432 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-15 03:12:46,747 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-15 03:12:47,045 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-15 03:12:47,322 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 436 [2019-10-15 03:12:48,359 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 952 [2019-10-15 03:12:49,017 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 952 [2019-10-15 03:12:49,625 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 952 [2019-10-15 03:12:49,780 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 436 [2019-10-15 03:12:50,358 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 952