/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/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_spec11_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:16:12,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:16:12,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:16:12,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:16:12,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:16:12,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:16:12,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:16:12,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:16:12,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:16:12,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:16:12,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:16:12,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:16:12,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:16:12,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:16:12,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:16:12,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:16:12,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:16:12,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:16:12,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:16:12,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:16:12,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:16:12,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:16:12,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:16:12,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:16:12,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:16:12,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:16:12,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:16:12,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:16:12,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:16:12,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:16:12,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:16:12,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:16:12,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:16:12,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:16:12,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:16:12,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:16:12,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:16:12,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:16:12,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:16:12,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:16:12,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:16:12,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 04:16:12,507 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:16:12,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:16:12,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:16:12,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:16:12,509 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:16:12,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:16:12,510 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:16:12,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:16:12,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:16:12,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:16:12,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:16:12,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:16:12,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:16:12,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:16:12,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:16:12,511 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:16:12,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:16:12,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:16:12,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:16:12,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:16:12,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:16:12,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:16:12,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:16:12,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:16:12,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:16:12,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:16:12,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:16:12,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:16:12,514 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 [2019-11-07 04:16:12,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:16:12,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:16:12,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:16:12,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:16:12,872 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:16:12,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product35.cil.c [2019-11-07 04:16:12,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d47ccf5/cec934496c044b348dc3248b103fa1f3/FLAG496b9303b [2019-11-07 04:16:13,585 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:16:13,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product35.cil.c [2019-11-07 04:16:13,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d47ccf5/cec934496c044b348dc3248b103fa1f3/FLAG496b9303b [2019-11-07 04:16:13,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d47ccf5/cec934496c044b348dc3248b103fa1f3 [2019-11-07 04:16:13,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:16:13,813 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:16:13,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:16:13,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:16:13,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:16:13,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:16:13" (1/1) ... [2019-11-07 04:16:13,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a1d7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:16:13, skipping insertion in model container [2019-11-07 04:16:13,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:16:13" (1/1) ... [2019-11-07 04:16:13,866 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:16:14,000 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:16:14,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:16:14,731 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:16:14,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:16:15,082 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:16:15,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:16:15 WrapperNode [2019-11-07 04:16:15,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:16:15,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:16:15,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:16:15,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:16:15,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:16:15" (1/1) ... [2019-11-07 04:16:15,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:16:15" (1/1) ... [2019-11-07 04:16:15,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:16:15" (1/1) ... [2019-11-07 04:16:15,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:16:15" (1/1) ... [2019-11-07 04:16:15,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:16:15" (1/1) ... [2019-11-07 04:16:15,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:16:15" (1/1) ... [2019-11-07 04:16:15,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:16:15" (1/1) ... [2019-11-07 04:16:15,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:16:15,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:16:15,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:16:15,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:16:15,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:16:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:16:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:16:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:16:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:16:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:16:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:16:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:16:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:16:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:16:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:16:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:16:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:16:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:16:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:16:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:16:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:16:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:16:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:16:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:16:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:16:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:16:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:16:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:16:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:16:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:16:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:16:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:16:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:16:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:16:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:16:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:16:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:16:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:16:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:16:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:16:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:16:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:16:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:16:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:16:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:16:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:16:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:16:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:16:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:16:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:16:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:16:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:16:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:16:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:16:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:16:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:16:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:16:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:16:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:16:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-07 04:16:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:16:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:16:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:16:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:16:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:16:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:16:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:16:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:16:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:16:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 04:16:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-11-07 04:16:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:16:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:16:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:16:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:16:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:16:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:16:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:16:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:16:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 04:16:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:16:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:16:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-07 04:16:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:16:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 04:16:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:16:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:16:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:16:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:16:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:16:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:16:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:16:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:16:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:16:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:16:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:16:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:16:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:16:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:16:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:16:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:16:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:16:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:16:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:16:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:16:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:16:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:16:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:16:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:16:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:16:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:16:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:16:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:16:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:16:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:16:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:16:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:16:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:16:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:16:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:16:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:16:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:16:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:16:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:16:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:16:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:16:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:16:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:16:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:16:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:16:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:16:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:16:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:16:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:16:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:16:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:16:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:16:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:16:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:16:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:16:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:16:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:16:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:16:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:16:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:16:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:16:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:16:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:16:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:16:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:16:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:16:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:16:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:16:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:16:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:16:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:16:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:16:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:16:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:16:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:16:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:16:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:16:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:16:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:16:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:16:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:16:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:16:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:16:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:16:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:16:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:16:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:16:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:16:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:16:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:16:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:16:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:16:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:16:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:16:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:16:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:16:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:16:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-07 04:16:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:16:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:16:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:16:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:16:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:16:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:16:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:16:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:16:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:16:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:16:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:16:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:16:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:16:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:16:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:16:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:16:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:16:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:16:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:16:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:16:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:16:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:16:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:16:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:16:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:16:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:16:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:16:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:16:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:16:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:16:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:16:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:16:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:16:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:16:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:16:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 04:16:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-11-07 04:16:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:16:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:16:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:16:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:16:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:16:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:16:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:16:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:16:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:16:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:16:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:16:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:16:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:16:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:16:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:16:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:16:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:16:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:16:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:16:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:16:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 04:16:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-07 04:16:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:16:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 04:16:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:16:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:16:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:16:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:16:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:16:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:16:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:16:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:16:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:16:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:16:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:16:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:16:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:16:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:16:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:16:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:16:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:16:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:16:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:16:20,291 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:16:20,292 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:16:20,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:16:20 BoogieIcfgContainer [2019-11-07 04:16:20,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:16:20,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:16:20,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:16:20,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:16:20,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:16:13" (1/3) ... [2019-11-07 04:16:20,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3e91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:16:20, skipping insertion in model container [2019-11-07 04:16:20,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:16:15" (2/3) ... [2019-11-07 04:16:20,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3e91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:16:20, skipping insertion in model container [2019-11-07 04:16:20,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:16:20" (3/3) ... [2019-11-07 04:16:20,302 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product35.cil.c [2019-11-07 04:16:20,316 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:16:20,326 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:16:20,338 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:16:20,373 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:16:20,373 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:16:20,373 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:16:20,373 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:16:20,373 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:16:20,374 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:16:20,374 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:16:20,374 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:16:20,423 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states. [2019-11-07 04:16:20,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-07 04:16:20,448 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:16:20,449 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:16:20,451 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:16:20,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:16:20,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1829854661, now seen corresponding path program 1 times [2019-11-07 04:16:20,468 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:16:20,468 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551658217] [2019-11-07 04:16:20,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:16:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:16:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 04:16:21,262 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551658217] [2019-11-07 04:16:21,263 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:16:21,263 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:16:21,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393834948] [2019-11-07 04:16:21,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:16:21,272 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:16:21,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:16:21,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:16:21,289 INFO L87 Difference]: Start difference. First operand 476 states. Second operand 2 states. [2019-11-07 04:16:21,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:16:21,414 INFO L93 Difference]: Finished difference Result 727 states and 870 transitions. [2019-11-07 04:16:21,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:16:21,419 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 183 [2019-11-07 04:16:21,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:16:21,452 INFO L225 Difference]: With dead ends: 727 [2019-11-07 04:16:21,452 INFO L226 Difference]: Without dead ends: 449 [2019-11-07 04:16:21,459 INFO L630 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 [2019-11-07 04:16:21,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-11-07 04:16:21,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2019-11-07 04:16:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-11-07 04:16:21,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 530 transitions. [2019-11-07 04:16:21,552 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 530 transitions. Word has length 183 [2019-11-07 04:16:21,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:16:21,554 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 530 transitions. [2019-11-07 04:16:21,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:16:21,555 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 530 transitions. [2019-11-07 04:16:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-07 04:16:21,561 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:16:21,561 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:16:21,562 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:16:21,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:16:21,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1130158807, now seen corresponding path program 1 times [2019-11-07 04:16:21,562 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:16:21,562 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730033311] [2019-11-07 04:16:21,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:16:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:16:21,887 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 04:16:21,887 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730033311] [2019-11-07 04:16:21,888 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:16:21,888 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:16:21,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510465359] [2019-11-07 04:16:21,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:16:21,893 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:16:21,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:16:21,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:16:21,894 INFO L87 Difference]: Start difference. First operand 449 states and 530 transitions. Second operand 3 states. [2019-11-07 04:16:21,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:16:21,995 INFO L93 Difference]: Finished difference Result 712 states and 833 transitions. [2019-11-07 04:16:21,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:16:21,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2019-11-07 04:16:22,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:16:22,010 INFO L225 Difference]: With dead ends: 712 [2019-11-07 04:16:22,011 INFO L226 Difference]: Without dead ends: 451 [2019-11-07 04:16:22,021 INFO L630 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 [2019-11-07 04:16:22,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-11-07 04:16:22,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2019-11-07 04:16:22,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-11-07 04:16:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 532 transitions. [2019-11-07 04:16:22,107 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 532 transitions. Word has length 184 [2019-11-07 04:16:22,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:16:22,108 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 532 transitions. [2019-11-07 04:16:22,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:16:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 532 transitions. [2019-11-07 04:16:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-07 04:16:22,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:16:22,120 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:16:22,121 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:16:22,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:16:22,123 INFO L82 PathProgramCache]: Analyzing trace with hash 78207653, now seen corresponding path program 1 times [2019-11-07 04:16:22,123 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:16:22,124 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384158062] [2019-11-07 04:16:22,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:16:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:16:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 04:16:22,587 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384158062] [2019-11-07 04:16:22,588 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:16:22,588 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:16:22,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739722615] [2019-11-07 04:16:22,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:16:22,592 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:16:22,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:16:22,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:16:22,593 INFO L87 Difference]: Start difference. First operand 451 states and 532 transitions. Second operand 3 states. [2019-11-07 04:16:22,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:16:22,661 INFO L93 Difference]: Finished difference Result 888 states and 1077 transitions. [2019-11-07 04:16:22,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:16:22,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2019-11-07 04:16:22,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:16:22,667 INFO L225 Difference]: With dead ends: 888 [2019-11-07 04:16:22,668 INFO L226 Difference]: Without dead ends: 495 [2019-11-07 04:16:22,670 INFO L630 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 [2019-11-07 04:16:22,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-11-07 04:16:22,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 494. [2019-11-07 04:16:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2019-11-07 04:16:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 606 transitions. [2019-11-07 04:16:22,730 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 606 transitions. Word has length 196 [2019-11-07 04:16:22,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:16:22,731 INFO L462 AbstractCegarLoop]: Abstraction has 494 states and 606 transitions. [2019-11-07 04:16:22,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:16:22,732 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 606 transitions. [2019-11-07 04:16:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-11-07 04:16:22,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:16:22,744 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:16:22,745 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:16:22,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:16:22,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1782636015, now seen corresponding path program 1 times [2019-11-07 04:16:22,746 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:16:22,749 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368335765] [2019-11-07 04:16:22,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:16:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:16:23,715 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:16:23,715 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368335765] [2019-11-07 04:16:23,716 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177800400] [2019-11-07 04:16:23,716 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 [2019-11-07 04:16:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:16:24,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 3204 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:16:24,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:16:24,609 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 04:16:24,610 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:16:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 04:16:24,946 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1412231113] [2019-11-07 04:16:24,988 INFO L159 IcfgInterpreter]: Started Sifa with 174 locations of interest [2019-11-07 04:16:24,988 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:16:24,995 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:16:25,002 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:16:25,002 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs