/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_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:16:59,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:16:59,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:16:59,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:16:59,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:16:59,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:16:59,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:16:59,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:16:59,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:16:59,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:16:59,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:16:59,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:16:59,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:16:59,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:16:59,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:16:59,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:16:59,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:16:59,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:16:59,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:16:59,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:16:59,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:16:59,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:16:59,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:16:59,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:16:59,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:16:59,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:16:59,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:16:59,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:16:59,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:16:59,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:16:59,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:16:59,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:16:59,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:16:59,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:16:59,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:16:59,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:16:59,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:16:59,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:16:59,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:16:59,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:16:59,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:16:59,534 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 04:16:59,549 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:16:59,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:16:59,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:16:59,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:16:59,551 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:16:59,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:16:59,551 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:16:59,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:16:59,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:16:59,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:16:59,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:16:59,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:16:59,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:16:59,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:16:59,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:16:59,553 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:16:59,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:16:59,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:16:59,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:16:59,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:16:59,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:16:59,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:16:59,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:16:59,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:16:59,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:16:59,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:16:59,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:16:59,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:16:59,555 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 04:16:59,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:16:59,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:16:59,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:16:59,862 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:16:59,862 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:16:59,863 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c [2019-11-07 04:16:59,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/199db1061/2035e8a0040d48dfb0977a09f3e285bc/FLAGd856ecd8e [2019-11-07 04:17:00,520 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:17:00,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c [2019-11-07 04:17:00,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/199db1061/2035e8a0040d48dfb0977a09f3e285bc/FLAGd856ecd8e [2019-11-07 04:17:00,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/199db1061/2035e8a0040d48dfb0977a09f3e285bc [2019-11-07 04:17:00,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:17:00,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:17:00,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:17:00,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:17:00,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:17:00,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:00" (1/1) ... [2019-11-07 04:17:00,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ecb1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:00, skipping insertion in model container [2019-11-07 04:17:00,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:00" (1/1) ... [2019-11-07 04:17:00,777 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:17:00,853 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:17:01,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:17:01,640 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:17:01,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:17:01,967 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:17:01,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:01 WrapperNode [2019-11-07 04:17:01,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:17:01,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:17:01,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:17:01,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:17:01,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:01" (1/1) ... [2019-11-07 04:17:01,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:01" (1/1) ... [2019-11-07 04:17:02,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:01" (1/1) ... [2019-11-07 04:17:02,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:01" (1/1) ... [2019-11-07 04:17:02,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:01" (1/1) ... [2019-11-07 04:17:02,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:01" (1/1) ... [2019-11-07 04:17:02,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:01" (1/1) ... [2019-11-07 04:17:02,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:17:02,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:17:02,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:17:02,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:17:02,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:01" (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 04:17:02,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:17:02,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:17:02,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:17:02,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-07 04:17:02,253 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:17:02,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:17:02,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:17:02,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:17:02,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:17:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:17:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:17:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:17:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:17:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:17:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:17:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:17:02,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:17:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:17:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:17:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:17:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:17:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:17:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:17:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:17:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:17:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:17:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:17:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:17:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:17:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:17:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:17:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:17:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:17:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:17:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:17:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:17:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:17:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:17:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:17:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:17:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:17:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:17:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:17:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:17:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:17:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-07 04:17:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:17:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:17:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-11-07 04:17:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 04:17:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:17:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:17:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:17:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:17:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:17:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:17:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:17:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:17:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:17:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:17:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:17:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:17:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:17:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:17:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:17:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:17:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:17:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:17:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:17:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:17:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:17:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:17:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:17:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:17:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:17:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:17:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:17:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:17:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:17:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:17:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:17:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:17:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:17:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:17:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:17:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:17:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:17:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:17:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:17:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:17:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:17:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:17:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:17:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:17:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:17:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:17:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:17:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:17:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:17:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:17:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:17:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:17:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:17:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:17:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:17:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:17:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:17:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:17:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:17:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:17:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:17:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:17:02,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:17:02,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:17:02,279 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:17:02,279 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:17:02,280 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:17:02,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-07 04:17:02,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:17:02,280 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:17:02,281 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:17:02,281 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:17:02,281 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:17:02,281 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:17:02,282 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:17:02,282 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:17:02,282 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:17:02,282 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:17:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:17:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:17:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:17:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:17:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:17:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:17:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:17:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:17:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:17:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:17:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:17:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:17:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:17:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:17:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:17:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:17:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:17:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:17:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:17:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:17:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:17:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:17:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:17:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:17:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:17:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:17:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:17:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:17:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:17:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:17:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:17:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:17:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:17:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:17:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:17:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:17:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:17:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:17:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:17:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:17:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:17:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:17:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:17:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:17:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:17:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:17:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:17:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:17:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:17:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:17:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:17:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:17:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:17:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:17:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:17:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:17:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:17:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:17:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:17:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:17:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:17:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:17:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:17:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:17:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:17:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:17:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:17:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:17:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:17:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:17:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:17:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:17:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:17:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-07 04:17:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-11-07 04:17:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 04:17:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:17:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:17:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:17:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:17:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:17:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:17:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:17:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:17:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:17:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:17:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:17:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:17:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:17:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:17:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:17:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:17:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:17:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:17:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:17:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:17:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:17:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:17:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:17:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:17:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:17:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:17:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:17:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:17:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:17:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:17:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:17:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:17:02,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:17:02,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:17:02,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:17:06,478 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:17:06,479 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:17:06,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:06 BoogieIcfgContainer [2019-11-07 04:17:06,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:17:06,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:17:06,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:17:06,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:17:06,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:17:00" (1/3) ... [2019-11-07 04:17:06,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188f73ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:06, skipping insertion in model container [2019-11-07 04:17:06,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:01" (2/3) ... [2019-11-07 04:17:06,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188f73ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:06, skipping insertion in model container [2019-11-07 04:17:06,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:06" (3/3) ... [2019-11-07 04:17:06,489 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product21.cil.c [2019-11-07 04:17:06,499 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:17:06,508 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:17:06,520 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:17:06,548 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:17:06,548 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:17:06,549 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:17:06,549 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:17:06,549 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:17:06,549 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:17:06,549 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:17:06,550 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:17:06,579 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states. [2019-11-07 04:17:06,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-07 04:17:06,596 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:06,597 INFO L410 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] [2019-11-07 04:17:06,599 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:06,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:06,606 INFO L82 PathProgramCache]: Analyzing trace with hash 584179874, now seen corresponding path program 1 times [2019-11-07 04:17:06,616 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:06,616 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918235603] [2019-11-07 04:17:06,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:07,253 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918235603] [2019-11-07 04:17:07,254 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:07,254 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:17:07,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270404063] [2019-11-07 04:17:07,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:17:07,263 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:07,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:17:07,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:17:07,280 INFO L87 Difference]: Start difference. First operand 393 states. Second operand 2 states. [2019-11-07 04:17:07,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:07,350 INFO L93 Difference]: Finished difference Result 568 states and 677 transitions. [2019-11-07 04:17:07,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:17:07,351 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-11-07 04:17:07,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:07,374 INFO L225 Difference]: With dead ends: 568 [2019-11-07 04:17:07,374 INFO L226 Difference]: Without dead ends: 366 [2019-11-07 04:17:07,385 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 04:17:07,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-11-07 04:17:07,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2019-11-07 04:17:07,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-11-07 04:17:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 433 transitions. [2019-11-07 04:17:07,487 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 433 transitions. Word has length 121 [2019-11-07 04:17:07,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:07,490 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 433 transitions. [2019-11-07 04:17:07,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:17:07,490 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 433 transitions. [2019-11-07 04:17:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-07 04:17:07,497 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:07,497 INFO L410 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] [2019-11-07 04:17:07,497 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:07,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:07,498 INFO L82 PathProgramCache]: Analyzing trace with hash -151420610, now seen corresponding path program 1 times [2019-11-07 04:17:07,498 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:07,498 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803660895] [2019-11-07 04:17:07,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:07,827 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:07,827 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803660895] [2019-11-07 04:17:07,828 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:07,828 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:17:07,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697879112] [2019-11-07 04:17:07,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:17:07,830 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:07,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:17:07,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:17:07,831 INFO L87 Difference]: Start difference. First operand 366 states and 433 transitions. Second operand 3 states. [2019-11-07 04:17:07,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:07,880 INFO L93 Difference]: Finished difference Result 553 states and 646 transitions. [2019-11-07 04:17:07,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:17:07,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-11-07 04:17:07,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:07,886 INFO L225 Difference]: With dead ends: 553 [2019-11-07 04:17:07,886 INFO L226 Difference]: Without dead ends: 368 [2019-11-07 04:17:07,889 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 04:17:07,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2019-11-07 04:17:07,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2019-11-07 04:17:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2019-11-07 04:17:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 435 transitions. [2019-11-07 04:17:07,921 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 435 transitions. Word has length 122 [2019-11-07 04:17:07,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:07,921 INFO L462 AbstractCegarLoop]: Abstraction has 368 states and 435 transitions. [2019-11-07 04:17:07,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:17:07,922 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 435 transitions. [2019-11-07 04:17:07,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-07 04:17:07,926 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:07,926 INFO L410 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] [2019-11-07 04:17:07,926 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:07,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:07,927 INFO L82 PathProgramCache]: Analyzing trace with hash 268441917, now seen corresponding path program 1 times [2019-11-07 04:17:07,927 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:07,927 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367355171] [2019-11-07 04:17:07,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:08,132 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:08,133 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367355171] [2019-11-07 04:17:08,133 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:08,133 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:17:08,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411289697] [2019-11-07 04:17:08,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:17:08,136 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:08,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:17:08,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:17:08,138 INFO L87 Difference]: Start difference. First operand 368 states and 435 transitions. Second operand 3 states. [2019-11-07 04:17:08,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:08,209 INFO L93 Difference]: Finished difference Result 720 states and 880 transitions. [2019-11-07 04:17:08,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:17:08,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-11-07 04:17:08,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:08,222 INFO L225 Difference]: With dead ends: 720 [2019-11-07 04:17:08,223 INFO L226 Difference]: Without dead ends: 410 [2019-11-07 04:17:08,231 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 04:17:08,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-11-07 04:17:08,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 409. [2019-11-07 04:17:08,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-11-07 04:17:08,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 506 transitions. [2019-11-07 04:17:08,302 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 506 transitions. Word has length 127 [2019-11-07 04:17:08,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:08,303 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 506 transitions. [2019-11-07 04:17:08,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:17:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 506 transitions. [2019-11-07 04:17:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-07 04:17:08,310 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:08,311 INFO L410 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] [2019-11-07 04:17:08,311 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:08,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:08,312 INFO L82 PathProgramCache]: Analyzing trace with hash -767103644, now seen corresponding path program 1 times [2019-11-07 04:17:08,312 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:08,313 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023187731] [2019-11-07 04:17:08,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:08,606 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023187731] [2019-11-07 04:17:08,607 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511041734] [2019-11-07 04:17:08,607 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 04:17:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:09,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 2568 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:17:09,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:17:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:09,499 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:17:09,703 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:09,704 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [263837751] [2019-11-07 04:17:09,744 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2019-11-07 04:17:09,744 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:17:09,751 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:17:09,758 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:17:09,759 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs