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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:50:13,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:50:13,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:50:13,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:50:13,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:50:13,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:50:13,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:50:13,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:50:13,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:50:13,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:50:13,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:50:13,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:50:13,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:50:13,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:50:13,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:50:13,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:50:13,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:50:13,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:50:13,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:50:13,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:50:13,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:50:13,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:50:13,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:50:13,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:50:13,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:50:13,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:50:13,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:50:13,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:50:13,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:50:13,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:50:13,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:50:13,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:50:13,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:50:13,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:50:13,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:50:13,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:50:13,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:50:13,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:50:13,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:50:13,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:50:13,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:50:13,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:50:13,380 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:50:13,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:50:13,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:50:13,381 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:50:13,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:50:13,382 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:50:13,382 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:50:13,382 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:50:13,383 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:50:13,383 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:50:13,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:50:13,384 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:50:13,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:50:13,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:50:13,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:50:13,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:50:13,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:50:13,385 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:50:13,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:50:13,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:50:13,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:50:13,390 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:50:13,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:50:13,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:50:13,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:50:13,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:50:13,392 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:50:13,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:50:13,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:50:13,393 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:50:13,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:50:13,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:50:13,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:50:13,447 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:50:13,448 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:50:13,449 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c [2019-10-03 02:50:13,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838d6b75d/d7847e983f934f6093ec409d59488bad/FLAGb9984ef62 [2019-10-03 02:50:14,082 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:50:14,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c [2019-10-03 02:50:14,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838d6b75d/d7847e983f934f6093ec409d59488bad/FLAGb9984ef62 [2019-10-03 02:50:14,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838d6b75d/d7847e983f934f6093ec409d59488bad [2019-10-03 02:50:14,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:50:14,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:50:14,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:50:14,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:50:14,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:50:14,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:50:14" (1/1) ... [2019-10-03 02:50:14,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24303b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:14, skipping insertion in model container [2019-10-03 02:50:14,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:50:14" (1/1) ... [2019-10-03 02:50:14,385 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:50:14,458 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:50:15,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:50:15,150 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:50:15,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:50:15,348 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:50:15,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:15 WrapperNode [2019-10-03 02:50:15,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:50:15,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:50:15,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:50:15,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:50:15,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:15" (1/1) ... [2019-10-03 02:50:15,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:15" (1/1) ... [2019-10-03 02:50:15,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:15" (1/1) ... [2019-10-03 02:50:15,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:15" (1/1) ... [2019-10-03 02:50:15,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:15" (1/1) ... [2019-10-03 02:50:15,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:15" (1/1) ... [2019-10-03 02:50:15,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:15" (1/1) ... [2019-10-03 02:50:15,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:50:15,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:50:15,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:50:15,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:50:15,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:15" (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 [2019-10-03 02:50:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:50:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:50:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:50:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:50:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:50:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:50:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:50:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:50:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:50:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:50:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:50:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:50:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:50:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:50:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:50:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:50:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:50:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:50:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:50:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:50:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:50:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:50:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:50:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:50:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:50:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:50:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:50:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:50:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:50:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:50:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:50:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:50:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:50:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:50:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:50:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:50:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:50:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:50:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:50:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:50:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:50:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:50:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:50:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:50:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:50:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:50:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:50:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:50:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:50:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:50:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:50:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:50:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:50:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:50:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:50:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:50:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:50:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-10-03 02:50:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-03 02:50:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:50:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:50:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:50:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:50:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:50:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:50:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:50:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:50:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:50:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:50:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:50:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:50:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:50:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:50:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:50:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:50:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-03 02:50:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:50:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:50:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:50:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:50:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:50:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:50:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:50:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:50:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:50:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:50:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:50:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:50:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:50:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:50:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:50:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:50:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:50:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:50:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:50:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:50:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:50:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:50:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:50:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:50:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:50:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:50:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:50:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:50:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:50:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:50:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:50:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:50:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:50:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:50:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:50:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:50:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:50:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:50:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:50:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:50:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:50:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:50:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:50:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:50:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:50:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:50:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:50:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:50:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:50:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:50:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:50:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:50:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:50:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:50:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:50:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:50:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:50:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:50:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:50:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:50:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:50:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:50:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:50:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:50:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:50:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:50:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:50:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:50:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:50:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:50:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:50:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:50:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:50:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:50:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:50:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:50:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:50:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:50:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:50:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:50:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:50:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:50:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:50:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:50:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:50:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:50:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:50:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:50:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-10-03 02:50:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-03 02:50:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-03 02:50:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:50:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:50:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:50:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:50:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:50:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:50:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:50:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:50:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:50:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:50:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:50:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:50:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:50:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:50:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:50:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:50:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:50:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:50:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:50:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:50:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:50:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:50:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:50:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:50:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:50:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:50:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:50:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:50:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:50:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:50:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:50:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:50:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:50:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:50:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:50:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:50:17,771 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:50:17,771 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:50:17,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:50:17 BoogieIcfgContainer [2019-10-03 02:50:17,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:50:17,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:50:17,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:50:17,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:50:17,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:50:14" (1/3) ... [2019-10-03 02:50:17,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be84ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:50:17, skipping insertion in model container [2019-10-03 02:50:17,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:15" (2/3) ... [2019-10-03 02:50:17,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be84ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:50:17, skipping insertion in model container [2019-10-03 02:50:17,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:50:17" (3/3) ... [2019-10-03 02:50:17,782 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product10.cil.c [2019-10-03 02:50:17,792 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:50:17,809 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:50:17,830 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:50:17,874 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:50:17,874 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:50:17,874 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:50:17,874 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:50:17,874 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:50:17,875 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:50:17,875 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:50:17,875 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:50:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states. [2019-10-03 02:50:17,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-03 02:50:17,940 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:17,942 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-10-03 02:50:17,946 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:17,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:17,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1890190681, now seen corresponding path program 1 times [2019-10-03 02:50:17,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:18,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:18,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:18,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:18,028 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-03 02:50:18,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:18,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:50:18,621 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:18,631 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:50:18,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:50:18,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:50:18,656 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 2 states. [2019-10-03 02:50:18,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:18,726 INFO L93 Difference]: Finished difference Result 256 states and 320 transitions. [2019-10-03 02:50:18,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:50:18,728 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 127 [2019-10-03 02:50:18,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:18,754 INFO L225 Difference]: With dead ends: 256 [2019-10-03 02:50:18,755 INFO L226 Difference]: Without dead ends: 247 [2019-10-03 02:50:18,758 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:50:18,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-10-03 02:50:18,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2019-10-03 02:50:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2019-10-03 02:50:18,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 309 transitions. [2019-10-03 02:50:18,857 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 309 transitions. Word has length 127 [2019-10-03 02:50:18,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:18,859 INFO L475 AbstractCegarLoop]: Abstraction has 247 states and 309 transitions. [2019-10-03 02:50:18,859 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:50:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 309 transitions. [2019-10-03 02:50:18,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-03 02:50:18,870 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:18,874 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-10-03 02:50:18,874 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:18,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:18,876 INFO L82 PathProgramCache]: Analyzing trace with hash 853966030, now seen corresponding path program 1 times [2019-10-03 02:50:18,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:18,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:18,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:18,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:18,887 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-03 02:50:19,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:19,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:50:19,137 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:19,139 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:50:19,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:50:19,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:19,140 INFO L87 Difference]: Start difference. First operand 247 states and 309 transitions. Second operand 3 states. [2019-10-03 02:50:19,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:19,171 INFO L93 Difference]: Finished difference Result 250 states and 312 transitions. [2019-10-03 02:50:19,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:50:19,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-10-03 02:50:19,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:19,179 INFO L225 Difference]: With dead ends: 250 [2019-10-03 02:50:19,179 INFO L226 Difference]: Without dead ends: 250 [2019-10-03 02:50:19,180 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:19,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-10-03 02:50:19,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 249. [2019-10-03 02:50:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-10-03 02:50:19,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 311 transitions. [2019-10-03 02:50:19,212 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 311 transitions. Word has length 128 [2019-10-03 02:50:19,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:19,212 INFO L475 AbstractCegarLoop]: Abstraction has 249 states and 311 transitions. [2019-10-03 02:50:19,213 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:50:19,213 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 311 transitions. [2019-10-03 02:50:19,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-03 02:50:19,216 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:19,216 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-10-03 02:50:19,220 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:19,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:19,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1532370260, now seen corresponding path program 1 times [2019-10-03 02:50:19,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:19,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:19,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:19,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:19,225 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 02:50:19,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:19,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:50:19,507 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:19,508 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:50:19,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:50:19,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:50:19,509 INFO L87 Difference]: Start difference. First operand 249 states and 311 transitions. Second operand 6 states. [2019-10-03 02:50:19,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:19,941 INFO L93 Difference]: Finished difference Result 458 states and 579 transitions. [2019-10-03 02:50:19,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:50:19,942 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2019-10-03 02:50:19,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:19,947 INFO L225 Difference]: With dead ends: 458 [2019-10-03 02:50:19,948 INFO L226 Difference]: Without dead ends: 458 [2019-10-03 02:50:19,948 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:50:19,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2019-10-03 02:50:19,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 449. [2019-10-03 02:50:19,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-10-03 02:50:19,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 571 transitions. [2019-10-03 02:50:19,995 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 571 transitions. Word has length 133 [2019-10-03 02:50:19,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:19,996 INFO L475 AbstractCegarLoop]: Abstraction has 449 states and 571 transitions. [2019-10-03 02:50:19,996 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:50:19,996 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 571 transitions. [2019-10-03 02:50:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-03 02:50:19,998 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:19,998 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-10-03 02:50:19,998 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:19,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:19,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1592223707, now seen corresponding path program 1 times [2019-10-03 02:50:19,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:20,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:20,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:20,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:20,004 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:20,182 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 02:50:20,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:20,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:50:20,183 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:20,185 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:50:20,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:50:20,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:50:20,186 INFO L87 Difference]: Start difference. First operand 449 states and 571 transitions. Second operand 6 states. [2019-10-03 02:50:20,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:20,561 INFO L93 Difference]: Finished difference Result 868 states and 1111 transitions. [2019-10-03 02:50:20,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:50:20,562 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2019-10-03 02:50:20,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:20,568 INFO L225 Difference]: With dead ends: 868 [2019-10-03 02:50:20,568 INFO L226 Difference]: Without dead ends: 868 [2019-10-03 02:50:20,569 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:50:20,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2019-10-03 02:50:20,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 849. [2019-10-03 02:50:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 849 states. [2019-10-03 02:50:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1093 transitions. [2019-10-03 02:50:20,610 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1093 transitions. Word has length 134 [2019-10-03 02:50:20,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:20,611 INFO L475 AbstractCegarLoop]: Abstraction has 849 states and 1093 transitions. [2019-10-03 02:50:20,611 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:50:20,611 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1093 transitions. [2019-10-03 02:50:20,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-03 02:50:20,615 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:20,615 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-10-03 02:50:20,615 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:20,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:20,616 INFO L82 PathProgramCache]: Analyzing trace with hash 270984760, now seen corresponding path program 1 times [2019-10-03 02:50:20,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:20,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:20,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:20,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:20,620 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:20,760 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 02:50:20,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:20,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:50:20,760 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:20,761 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:50:20,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:50:20,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:50:20,762 INFO L87 Difference]: Start difference. First operand 849 states and 1093 transitions. Second operand 6 states. [2019-10-03 02:50:21,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:21,212 INFO L93 Difference]: Finished difference Result 1688 states and 2179 transitions. [2019-10-03 02:50:21,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:50:21,213 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2019-10-03 02:50:21,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:21,232 INFO L225 Difference]: With dead ends: 1688 [2019-10-03 02:50:21,232 INFO L226 Difference]: Without dead ends: 1688 [2019-10-03 02:50:21,234 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:50:21,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2019-10-03 02:50:21,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1649. [2019-10-03 02:50:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1649 states. [2019-10-03 02:50:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2141 transitions. [2019-10-03 02:50:21,365 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2141 transitions. Word has length 135 [2019-10-03 02:50:21,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:21,367 INFO L475 AbstractCegarLoop]: Abstraction has 1649 states and 2141 transitions. [2019-10-03 02:50:21,368 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:50:21,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2141 transitions. [2019-10-03 02:50:21,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-03 02:50:21,378 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:21,378 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-10-03 02:50:21,379 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:21,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:21,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1624294457, now seen corresponding path program 1 times [2019-10-03 02:50:21,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:21,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:21,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:21,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:21,386 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 02:50:21,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:21,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:50:21,654 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:21,655 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:50:21,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:50:21,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:50:21,655 INFO L87 Difference]: Start difference. First operand 1649 states and 2141 transitions. Second operand 8 states. [2019-10-03 02:50:21,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:21,708 INFO L93 Difference]: Finished difference Result 1646 states and 2131 transitions. [2019-10-03 02:50:21,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:50:21,708 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2019-10-03 02:50:21,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:21,709 INFO L225 Difference]: With dead ends: 1646 [2019-10-03 02:50:21,709 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:50:21,710 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:50:21,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:50:21,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:50:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:50:21,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:50:21,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 135 [2019-10-03 02:50:21,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:21,713 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:50:21,713 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:50:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:50:21,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:50:21,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:50:21 BoogieIcfgContainer [2019-10-03 02:50:21,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:50:21,725 INFO L168 Benchmark]: Toolchain (without parser) took 7359.65 ms. Allocated memory was 140.0 MB in the beginning and 339.7 MB in the end (delta: 199.8 MB). Free memory was 85.4 MB in the beginning and 71.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 213.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:21,728 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 140.0 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:50:21,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 981.84 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 85.4 MB in the beginning and 143.8 MB in the end (delta: -58.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:21,733 INFO L168 Benchmark]: Boogie Preprocessor took 157.03 ms. Allocated memory is still 200.3 MB. Free memory was 143.8 MB in the beginning and 135.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:21,737 INFO L168 Benchmark]: RCFGBuilder took 2266.89 ms. Allocated memory was 200.3 MB in the beginning and 265.3 MB in the end (delta: 65.0 MB). Free memory was 135.2 MB in the beginning and 213.2 MB in the end (delta: -78.0 MB). Peak memory consumption was 95.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:21,739 INFO L168 Benchmark]: TraceAbstraction took 3947.24 ms. Allocated memory was 265.3 MB in the beginning and 339.7 MB in the end (delta: 74.4 MB). Free memory was 213.2 MB in the beginning and 71.8 MB in the end (delta: 141.4 MB). Peak memory consumption was 215.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:21,750 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 140.0 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 981.84 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 85.4 MB in the beginning and 143.8 MB in the end (delta: -58.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 157.03 ms. Allocated memory is still 200.3 MB. Free memory was 143.8 MB in the beginning and 135.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2266.89 ms. Allocated memory was 200.3 MB in the beginning and 265.3 MB in the end (delta: 65.0 MB). Free memory was 135.2 MB in the beginning and 213.2 MB in the end (delta: -78.0 MB). Peak memory consumption was 95.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3947.24 ms. Allocated memory was 265.3 MB in the beginning and 339.7 MB in the end (delta: 74.4 MB). Free memory was 213.2 MB in the beginning and 71.8 MB in the end (delta: 141.4 MB). Peak memory consumption was 215.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2349]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 94 procedures, 622 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1970 SDtfs, 820 SDslu, 5669 SDs, 0 SdLazy, 395 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1649occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 68 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 792 NumberOfCodeBlocks, 792 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 786 ConstructedInterpolants, 0 QuantifiedInterpolants, 141062 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 104/104 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...