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_spec3_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:09:15,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:09:15,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:09:15,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:09:15,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:09:15,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:09:15,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:09:15,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:09:15,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:09:15,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:09:15,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:09:15,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:09:15,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:09:15,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:09:15,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:09:15,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:09:15,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:09:15,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:09:15,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:09:15,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:09:15,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:09:15,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:09:15,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:09:15,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:09:15,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:09:15,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:09:15,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:09:15,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:09:15,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:09:15,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:09:15,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:09:15,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:09:15,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:09:15,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:09:15,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:09:15,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:09:15,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:09:15,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:09:15,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:09:15,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:09:15,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:09:15,455 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 [2019-10-13 23:09:15,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:09:15,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:09:15,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:09:15,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:09:15,477 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:09:15,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:09:15,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:09:15,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:09:15,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:09:15,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:09:15,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:09:15,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:09:15,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:09:15,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:09:15,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:09:15,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:09:15,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:09:15,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:09:15,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:09:15,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:09:15,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:09:15,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:09:15,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:09:15,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:09:15,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:09:15,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:09:15,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:09:15,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:09:15,483 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 [2019-10-13 23:09:15,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:09:15,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:09:15,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:09:15,789 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:09:15,790 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:09:15,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product25.cil.c [2019-10-13 23:09:15,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f92c19486/3cbd017feb1642d69c9193e880be9cc4/FLAGd993606f3 [2019-10-13 23:09:16,543 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:09:16,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product25.cil.c [2019-10-13 23:09:16,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f92c19486/3cbd017feb1642d69c9193e880be9cc4/FLAGd993606f3 [2019-10-13 23:09:16,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f92c19486/3cbd017feb1642d69c9193e880be9cc4 [2019-10-13 23:09:16,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:09:16,719 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:09:16,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:09:16,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:09:16,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:09:16,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:09:16" (1/1) ... [2019-10-13 23:09:16,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb33164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:16, skipping insertion in model container [2019-10-13 23:09:16,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:09:16" (1/1) ... [2019-10-13 23:09:16,734 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:09:16,812 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:09:17,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:09:17,623 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:09:17,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:09:17,832 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:09:17,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:17 WrapperNode [2019-10-13 23:09:17,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:09:17,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:09:17,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:09:17,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:09:17,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:17" (1/1) ... [2019-10-13 23:09:17,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:17" (1/1) ... [2019-10-13 23:09:17,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:17" (1/1) ... [2019-10-13 23:09:17,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:17" (1/1) ... [2019-10-13 23:09:17,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:17" (1/1) ... [2019-10-13 23:09:17,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:17" (1/1) ... [2019-10-13 23:09:17,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:17" (1/1) ... [2019-10-13 23:09:18,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:09:18,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:09:18,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:09:18,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:09:18,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:17" (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 [2019-10-13 23:09:18,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:09:18,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:09:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:09:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:09:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:09:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:09:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:09:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:09:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:09:18,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:09:18,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:09:18,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:09:18,109 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:09:18,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:09:18,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:09:18,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:09:18,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:09:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:09:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:09:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:09:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:09:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:09:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:09:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:09:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:09:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:09:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:09:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:09:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:09:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:09:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:09:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:09:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:09:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:09:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:09:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:09:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:09:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:09:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:09:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:09:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:09:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:09:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:09:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:09:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:09:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:09:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:09:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:09:18,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:09:18,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:09:18,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:09:18,119 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:09:18,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:09:18,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:09:18,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:09:18,120 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:09:18,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:09:18,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:09:18,121 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:09:18,121 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:09:18,121 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:09:18,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:09:18,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:09:18,122 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:09:18,122 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:09:18,122 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:09:18,122 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:09:18,122 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-13 23:09:18,122 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:09:18,123 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:09:18,123 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:09:18,123 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 23:09:18,123 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:09:18,124 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:09:18,124 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:09:18,124 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:09:18,125 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:09:18,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:09:18,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:09:18,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:09:18,126 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:09:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:09:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:09:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:09:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:09:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-13 23:09:18,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-13 23:09:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-13 23:09:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-13 23:09:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:09:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:09:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:09:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:09:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:09:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:09:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:09:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:09:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:09:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:09:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:09:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:09:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:09:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:09:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:09:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:09:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:09:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:09:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:09:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:09:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:09:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:09:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:09:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:09:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:09:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:09:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:09:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:09:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:09:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:09:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:09:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:09:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:09:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:09:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:09:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:09:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:09:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:09:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:09:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:09:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:09:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:09:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:09:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:09:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:09:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:09:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:09:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:09:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:09:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:09:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:09:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:09:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:09:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:09:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:09:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:09:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:09:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:09:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:09:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:09:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:09:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:09:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:09:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:09:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:09:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:09:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:09:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:09:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:09:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:09:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:09:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:09:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:09:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:09:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:09:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:09:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:09:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:09:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:09:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:09:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:09:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:09:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:09:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:09:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:09:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:09:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:09:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:09:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:09:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:09:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:09:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:09:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:09:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:09:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:09:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:09:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:09:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:09:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:09:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:09:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:09:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:09:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:09:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:09:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:09:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:09:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:09:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:09:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:09:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:09:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:09:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:09:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:09:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:09:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:09:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:09:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:09:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:09:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:09:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:09:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:09:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:09:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:09:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:09:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:09:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:09:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:09:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:09:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:09:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:09:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:09:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:09:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-13 23:09:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:09:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-13 23:09:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:09:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 23:09:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-13 23:09:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:09:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:09:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-13 23:09:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-13 23:09:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:09:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:09:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:09:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:09:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:09:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:09:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:09:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:09:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:09:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:09:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:09:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:09:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:09:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:09:22,972 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:09:22,973 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:09:22,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:09:22 BoogieIcfgContainer [2019-10-13 23:09:22,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:09:22,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:09:22,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:09:22,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:09:22,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:09:16" (1/3) ... [2019-10-13 23:09:22,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad41790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:09:22, skipping insertion in model container [2019-10-13 23:09:22,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:17" (2/3) ... [2019-10-13 23:09:22,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad41790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:09:22, skipping insertion in model container [2019-10-13 23:09:22,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:09:22" (3/3) ... [2019-10-13 23:09:22,982 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product25.cil.c [2019-10-13 23:09:22,993 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:09:23,002 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:09:23,014 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:09:23,045 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:09:23,046 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:09:23,046 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:09:23,046 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:09:23,046 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:09:23,046 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:09:23,046 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:09:23,047 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:09:23,076 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states. [2019-10-13 23:09:23,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-13 23:09:23,095 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:23,096 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:23,098 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:23,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:23,106 INFO L82 PathProgramCache]: Analyzing trace with hash -481848957, now seen corresponding path program 1 times [2019-10-13 23:09:23,116 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:23,117 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072967453] [2019-10-13 23:09:23,117 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:23,117 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:23,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:09:23,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072967453] [2019-10-13 23:09:23,886 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:23,887 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:09:23,887 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696504057] [2019-10-13 23:09:23,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:09:23,895 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:23,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:09:23,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:09:23,913 INFO L87 Difference]: Start difference. First operand 415 states. Second operand 2 states. [2019-10-13 23:09:24,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:24,019 INFO L93 Difference]: Finished difference Result 612 states and 729 transitions. [2019-10-13 23:09:24,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:09:24,021 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 141 [2019-10-13 23:09:24,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:24,068 INFO L225 Difference]: With dead ends: 612 [2019-10-13 23:09:24,068 INFO L226 Difference]: Without dead ends: 388 [2019-10-13 23:09:24,078 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 [2019-10-13 23:09:24,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2019-10-13 23:09:24,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2019-10-13 23:09:24,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2019-10-13 23:09:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 457 transitions. [2019-10-13 23:09:24,179 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 457 transitions. Word has length 141 [2019-10-13 23:09:24,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:24,182 INFO L462 AbstractCegarLoop]: Abstraction has 388 states and 457 transitions. [2019-10-13 23:09:24,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:09:24,182 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 457 transitions. [2019-10-13 23:09:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-13 23:09:24,188 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:24,189 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:24,189 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:24,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:24,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1341774567, now seen corresponding path program 1 times [2019-10-13 23:09:24,190 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:24,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714685129] [2019-10-13 23:09:24,190 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:24,190 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:24,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:24,404 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:09:24,405 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714685129] [2019-10-13 23:09:24,405 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:24,405 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:09:24,405 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853450470] [2019-10-13 23:09:24,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:09:24,408 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:24,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:09:24,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:09:24,408 INFO L87 Difference]: Start difference. First operand 388 states and 457 transitions. Second operand 3 states. [2019-10-13 23:09:24,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:24,479 INFO L93 Difference]: Finished difference Result 597 states and 694 transitions. [2019-10-13 23:09:24,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:09:24,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-10-13 23:09:24,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:24,491 INFO L225 Difference]: With dead ends: 597 [2019-10-13 23:09:24,493 INFO L226 Difference]: Without dead ends: 390 [2019-10-13 23:09:24,498 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 [2019-10-13 23:09:24,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-10-13 23:09:24,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2019-10-13 23:09:24,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-10-13 23:09:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 459 transitions. [2019-10-13 23:09:24,556 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 459 transitions. Word has length 142 [2019-10-13 23:09:24,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:24,556 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 459 transitions. [2019-10-13 23:09:24,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:09:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 459 transitions. [2019-10-13 23:09:24,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-13 23:09:24,561 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:24,561 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:24,561 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:24,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:24,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1473747272, now seen corresponding path program 1 times [2019-10-13 23:09:24,562 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:24,562 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734474595] [2019-10-13 23:09:24,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:24,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:24,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:09:24,861 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734474595] [2019-10-13 23:09:24,862 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:24,862 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:09:24,866 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430106040] [2019-10-13 23:09:24,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:09:24,869 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:24,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:09:24,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:09:24,870 INFO L87 Difference]: Start difference. First operand 390 states and 459 transitions. Second operand 3 states. [2019-10-13 23:09:24,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:24,925 INFO L93 Difference]: Finished difference Result 764 states and 928 transitions. [2019-10-13 23:09:24,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:09:24,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-10-13 23:09:24,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:24,931 INFO L225 Difference]: With dead ends: 764 [2019-10-13 23:09:24,931 INFO L226 Difference]: Without dead ends: 432 [2019-10-13 23:09:24,933 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 [2019-10-13 23:09:24,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2019-10-13 23:09:24,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 431. [2019-10-13 23:09:24,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2019-10-13 23:09:24,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 530 transitions. [2019-10-13 23:09:24,967 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 530 transitions. Word has length 147 [2019-10-13 23:09:24,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:24,970 INFO L462 AbstractCegarLoop]: Abstraction has 431 states and 530 transitions. [2019-10-13 23:09:24,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:09:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 530 transitions. [2019-10-13 23:09:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-13 23:09:24,979 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:24,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:24,980 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:24,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:24,980 INFO L82 PathProgramCache]: Analyzing trace with hash -385056019, now seen corresponding path program 1 times [2019-10-13 23:09:24,980 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:24,980 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10678935] [2019-10-13 23:09:24,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:24,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:24,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 23:09:25,625 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10678935] [2019-10-13 23:09:25,625 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:25,625 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-13 23:09:25,626 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102882398] [2019-10-13 23:09:25,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-13 23:09:25,627 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:25,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-13 23:09:25,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2019-10-13 23:09:25,628 INFO L87 Difference]: Start difference. First operand 431 states and 530 transitions. Second operand 25 states. [2019-10-13 23:09:39,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:39,533 INFO L93 Difference]: Finished difference Result 1162 states and 1388 transitions. [2019-10-13 23:09:39,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-10-13 23:09:39,534 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 148 [2019-10-13 23:09:39,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:39,540 INFO L225 Difference]: With dead ends: 1162 [2019-10-13 23:09:39,540 INFO L226 Difference]: Without dead ends: 955 [2019-10-13 23:09:39,543 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=404, Invalid=3018, Unknown=0, NotChecked=0, Total=3422 [2019-10-13 23:09:39,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2019-10-13 23:09:39,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 944. [2019-10-13 23:09:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2019-10-13 23:09:39,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1124 transitions. [2019-10-13 23:09:39,603 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1124 transitions. Word has length 148 [2019-10-13 23:09:39,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:39,604 INFO L462 AbstractCegarLoop]: Abstraction has 944 states and 1124 transitions. [2019-10-13 23:09:39,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-13 23:09:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1124 transitions. [2019-10-13 23:09:39,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-13 23:09:39,608 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:39,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:39,608 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:39,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:39,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1366459273, now seen corresponding path program 1 times [2019-10-13 23:09:39,609 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:39,609 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972383280] [2019-10-13 23:09:39,609 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:39,610 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:39,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:39,782 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:09:39,782 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972383280] [2019-10-13 23:09:39,782 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107907942] [2019-10-13 23:09:39,783 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 [2019-10-13 23:09:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:40,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 2802 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:09:40,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:09:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:09:40,623 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:09:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:09:40,861 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [292301253] [2019-10-13 23:09:40,899 INFO L162 IcfgInterpreter]: Started Sifa with 143 locations of interest [2019-10-13 23:09:40,899 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:09:40,910 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:09:40,926 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:09:40,927 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs