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_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:50:59,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:50:59,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:50:59,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:50:59,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:50:59,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:50:59,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:50:59,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:50:59,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:50:59,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:50:59,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:50:59,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:50:59,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:50:59,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:50:59,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:50:59,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:50:59,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:50:59,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:50:59,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:50:59,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:50:59,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:50:59,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:50:59,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:50:59,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:50:59,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:50:59,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:50:59,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:50:59,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:50:59,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:50:59,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:50:59,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:50:59,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:50:59,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:50:59,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:50:59,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:50:59,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:50:59,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:50:59,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:50:59,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:50:59,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:50:59,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:50:59,363 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 02:50:59,383 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:50:59,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:50:59,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:50:59,384 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:50:59,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:50:59,385 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:50:59,387 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:50:59,387 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:50:59,387 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:50:59,388 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:50:59,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:50:59,389 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:50:59,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:50:59,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:50:59,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:50:59,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:50:59,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:50:59,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:50:59,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:50:59,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:50:59,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:50:59,392 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:50:59,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:50:59,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:50:59,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:50:59,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:50:59,393 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:50:59,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:50:59,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:50:59,393 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:50:59,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:50:59,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:50:59,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:50:59,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:50:59,466 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:50:59,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product36.cil.c [2019-10-03 02:50:59,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2773846/8e5e400ba42d436fb8496b0befa85057/FLAG8f41d93e5 [2019-10-03 02:51:00,178 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:51:00,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product36.cil.c [2019-10-03 02:51:00,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2773846/8e5e400ba42d436fb8496b0befa85057/FLAG8f41d93e5 [2019-10-03 02:51:00,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2773846/8e5e400ba42d436fb8496b0befa85057 [2019-10-03 02:51:00,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:51:00,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:51:00,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:00,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:51:00,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:51:00,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:00" (1/1) ... [2019-10-03 02:51:00,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ce7160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:00, skipping insertion in model container [2019-10-03 02:51:00,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:00" (1/1) ... [2019-10-03 02:51:00,411 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:51:00,482 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:51:01,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:01,203 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:51:01,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:01,448 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:51:01,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:01 WrapperNode [2019-10-03 02:51:01,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:01,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:51:01,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:51:01,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:51:01,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:01" (1/1) ... [2019-10-03 02:51:01,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:01" (1/1) ... [2019-10-03 02:51:01,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:01" (1/1) ... [2019-10-03 02:51:01,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:01" (1/1) ... [2019-10-03 02:51:01,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:01" (1/1) ... [2019-10-03 02:51:01,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:01" (1/1) ... [2019-10-03 02:51:01,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:01" (1/1) ... [2019-10-03 02:51:01,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:51:01,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:51:01,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:51:01,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:51:01,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:01" (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 [2019-10-03 02:51:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:51:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:51:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:51:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:51:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:51:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:51:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:51:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:51:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:51:01,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:51:01,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:51:01,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:51:01,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:51:01,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:51:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:51:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:51:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:51:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:51:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:51:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:51:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:51:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:51:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:51:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:51:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:51:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:51:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:51:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:51:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:51:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:51:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:51:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:51:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:51:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:51:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:51:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:51:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:51:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:51:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:51:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:51:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:51:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:51:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:51:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:51:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:51:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:51:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:51:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:51:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:51:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:51:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:51:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:51:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:51:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:51:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:51:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:51:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:51:01,721 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:51:01,721 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:51:01,721 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:51:01,721 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:51:01,721 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:51:01,721 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:51:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:51:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:51:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:51:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:51:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:51:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:51:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:51:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:51:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:51:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:51:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:51:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:51:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:51:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-10-03 02:51:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-03 02:51:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:51:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:51:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:51:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:51:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:51:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:51:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:51:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:51:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:51:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:51:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-03 02:51:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:51:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:51:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:51:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:51:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:51:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:51:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:51:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:51:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:51:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:51:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:51:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:51:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:51:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:51:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:51:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:51:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:51:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:51:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:51:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:51:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:51:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:51:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:51:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:51:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:51:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:51:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:51:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:51:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:51:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:51:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:51:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:51:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:51:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:51:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:51:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:51:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:51:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:51:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:51:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:51:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:51:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:51:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:51:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:51:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:51:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:51:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:51:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:51:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:51:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:51:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:51:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:51:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:51:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:51:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:51:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:51:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:51:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:51:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:51:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:51:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:51:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:51:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:51:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:51:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:51:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:51:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:51:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:51:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:51:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:51:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:51:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:51:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:51:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:51:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:51:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:51:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:51:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:51:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:51:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:51:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:51:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:51:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:51:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:51:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:51:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:51:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:51:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:51:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:51:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:51:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:51:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:51:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:51:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:51:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:51:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:51:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:51:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:51:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:51:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:51:01,744 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:51:01,744 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:51:01,744 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:51:01,744 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:51:01,744 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-10-03 02:51:01,744 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-03 02:51:01,745 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-03 02:51:01,745 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:51:01,745 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:51:01,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:51:01,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:51:01,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:51:03,769 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:51:03,769 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:51:03,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:03 BoogieIcfgContainer [2019-10-03 02:51:03,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:51:03,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:51:03,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:51:03,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:51:03,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:51:00" (1/3) ... [2019-10-03 02:51:03,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347ead07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:03, skipping insertion in model container [2019-10-03 02:51:03,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:01" (2/3) ... [2019-10-03 02:51:03,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347ead07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:03, skipping insertion in model container [2019-10-03 02:51:03,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:03" (3/3) ... [2019-10-03 02:51:03,780 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product36.cil.c [2019-10-03 02:51:03,791 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:51:03,803 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:51:03,820 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:51:03,852 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:51:03,852 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:51:03,852 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:51:03,852 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:51:03,852 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:51:03,852 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:51:03,852 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:51:03,853 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:51:03,883 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states. [2019-10-03 02:51:03,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-03 02:51:03,907 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:03,908 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:51:03,911 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:03,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:03,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1244426265, now seen corresponding path program 1 times [2019-10-03 02:51:03,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:03,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:03,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:03,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:03,986 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:04,459 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 02:51:04,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:04,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:51:04,462 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:04,468 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:04,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:04,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:04,486 INFO L87 Difference]: Start difference. First operand 353 states. Second operand 2 states. [2019-10-03 02:51:04,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:04,532 INFO L93 Difference]: Finished difference Result 343 states and 457 transitions. [2019-10-03 02:51:04,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:04,534 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 136 [2019-10-03 02:51:04,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:04,556 INFO L225 Difference]: With dead ends: 343 [2019-10-03 02:51:04,556 INFO L226 Difference]: Without dead ends: 334 [2019-10-03 02:51:04,562 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 02:51:04,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-10-03 02:51:04,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2019-10-03 02:51:04,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-10-03 02:51:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 446 transitions. [2019-10-03 02:51:04,640 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 446 transitions. Word has length 136 [2019-10-03 02:51:04,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:04,642 INFO L475 AbstractCegarLoop]: Abstraction has 334 states and 446 transitions. [2019-10-03 02:51:04,643 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:04,643 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 446 transitions. [2019-10-03 02:51:04,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-03 02:51:04,648 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:04,649 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:51:04,649 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:04,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:04,650 INFO L82 PathProgramCache]: Analyzing trace with hash -187214702, now seen corresponding path program 1 times [2019-10-03 02:51:04,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:04,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:04,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:04,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:04,655 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:04,894 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 02:51:04,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:04,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:04,894 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:04,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:04,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:04,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:04,902 INFO L87 Difference]: Start difference. First operand 334 states and 446 transitions. Second operand 3 states. [2019-10-03 02:51:04,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:04,972 INFO L93 Difference]: Finished difference Result 337 states and 449 transitions. [2019-10-03 02:51:04,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:04,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-10-03 02:51:04,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:04,982 INFO L225 Difference]: With dead ends: 337 [2019-10-03 02:51:04,982 INFO L226 Difference]: Without dead ends: 337 [2019-10-03 02:51:04,984 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 02:51:04,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2019-10-03 02:51:05,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 336. [2019-10-03 02:51:05,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-10-03 02:51:05,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 448 transitions. [2019-10-03 02:51:05,038 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 448 transitions. Word has length 137 [2019-10-03 02:51:05,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:05,038 INFO L475 AbstractCegarLoop]: Abstraction has 336 states and 448 transitions. [2019-10-03 02:51:05,038 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:05,038 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 448 transitions. [2019-10-03 02:51:05,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-03 02:51:05,043 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:05,043 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:51:05,043 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:05,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:05,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1067392320, now seen corresponding path program 1 times [2019-10-03 02:51:05,044 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:05,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:05,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:05,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:05,051 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:05,336 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 02:51:05,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:05,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:51:05,337 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:05,337 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:51:05,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:51:05,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:51:05,338 INFO L87 Difference]: Start difference. First operand 336 states and 448 transitions. Second operand 6 states. [2019-10-03 02:51:05,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:05,781 INFO L93 Difference]: Finished difference Result 632 states and 853 transitions. [2019-10-03 02:51:05,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:51:05,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2019-10-03 02:51:05,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:05,788 INFO L225 Difference]: With dead ends: 632 [2019-10-03 02:51:05,788 INFO L226 Difference]: Without dead ends: 632 [2019-10-03 02:51:05,789 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 02:51:05,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2019-10-03 02:51:05,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 623. [2019-10-03 02:51:05,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-10-03 02:51:05,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 845 transitions. [2019-10-03 02:51:05,831 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 845 transitions. Word has length 142 [2019-10-03 02:51:05,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:05,832 INFO L475 AbstractCegarLoop]: Abstraction has 623 states and 845 transitions. [2019-10-03 02:51:05,832 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:51:05,832 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 845 transitions. [2019-10-03 02:51:05,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-03 02:51:05,837 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:05,837 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:51:05,838 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:05,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:05,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1181645416, now seen corresponding path program 1 times [2019-10-03 02:51:05,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:05,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:05,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:05,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:05,844 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:06,135 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 02:51:06,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:06,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:51:06,135 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:06,136 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:51:06,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:51:06,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:51:06,138 INFO L87 Difference]: Start difference. First operand 623 states and 845 transitions. Second operand 6 states. [2019-10-03 02:51:06,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:06,525 INFO L93 Difference]: Finished difference Result 1216 states and 1659 transitions. [2019-10-03 02:51:06,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:51:06,525 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2019-10-03 02:51:06,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:06,533 INFO L225 Difference]: With dead ends: 1216 [2019-10-03 02:51:06,533 INFO L226 Difference]: Without dead ends: 1216 [2019-10-03 02:51:06,534 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 02:51:06,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2019-10-03 02:51:06,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1197. [2019-10-03 02:51:06,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2019-10-03 02:51:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1641 transitions. [2019-10-03 02:51:06,595 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1641 transitions. Word has length 143 [2019-10-03 02:51:06,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:06,596 INFO L475 AbstractCegarLoop]: Abstraction has 1197 states and 1641 transitions. [2019-10-03 02:51:06,596 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:51:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1641 transitions. [2019-10-03 02:51:06,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-03 02:51:06,601 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:06,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:51:06,602 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:06,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:06,604 INFO L82 PathProgramCache]: Analyzing trace with hash -994357308, now seen corresponding path program 1 times [2019-10-03 02:51:06,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:06,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:06,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:06,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:06,613 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:06,837 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 02:51:06,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:06,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:51:06,841 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:06,842 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:51:06,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:51:06,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:51:06,853 INFO L87 Difference]: Start difference. First operand 1197 states and 1641 transitions. Second operand 6 states. [2019-10-03 02:51:07,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:07,262 INFO L93 Difference]: Finished difference Result 2384 states and 3275 transitions. [2019-10-03 02:51:07,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:51:07,263 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2019-10-03 02:51:07,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:07,280 INFO L225 Difference]: With dead ends: 2384 [2019-10-03 02:51:07,281 INFO L226 Difference]: Without dead ends: 2384 [2019-10-03 02:51:07,282 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 02:51:07,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2384 states. [2019-10-03 02:51:07,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2384 to 2345. [2019-10-03 02:51:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2345 states. [2019-10-03 02:51:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2345 states and 3237 transitions. [2019-10-03 02:51:07,414 INFO L78 Accepts]: Start accepts. Automaton has 2345 states and 3237 transitions. Word has length 144 [2019-10-03 02:51:07,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:07,416 INFO L475 AbstractCegarLoop]: Abstraction has 2345 states and 3237 transitions. [2019-10-03 02:51:07,416 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:51:07,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 3237 transitions. [2019-10-03 02:51:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-03 02:51:07,425 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:07,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:51:07,425 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:07,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:07,426 INFO L82 PathProgramCache]: Analyzing trace with hash 358952389, now seen corresponding path program 1 times [2019-10-03 02:51:07,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:07,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:07,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:07,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:07,433 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:07,650 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 02:51:07,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:07,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:51:07,651 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:07,652 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:51:07,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:51:07,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:51:07,652 INFO L87 Difference]: Start difference. First operand 2345 states and 3237 transitions. Second operand 8 states. [2019-10-03 02:51:07,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:07,715 INFO L93 Difference]: Finished difference Result 2342 states and 3227 transitions. [2019-10-03 02:51:07,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:51:07,716 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2019-10-03 02:51:07,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:07,717 INFO L225 Difference]: With dead ends: 2342 [2019-10-03 02:51:07,717 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:51:07,717 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 02:51:07,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:51:07,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:51:07,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:51:07,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:51:07,718 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 144 [2019-10-03 02:51:07,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:07,719 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:51:07,719 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:51:07,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:51:07,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:51:07,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:51:07 BoogieIcfgContainer [2019-10-03 02:51:07,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:51:07,728 INFO L168 Benchmark]: Toolchain (without parser) took 7330.01 ms. Allocated memory was 138.4 MB in the beginning and 357.6 MB in the end (delta: 219.2 MB). Free memory was 83.7 MB in the beginning and 247.5 MB in the end (delta: -163.8 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:07,730 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:51:07,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1051.50 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 83.5 MB in the beginning and 141.4 MB in the end (delta: -58.0 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:07,732 INFO L168 Benchmark]: Boogie Preprocessor took 171.72 ms. Allocated memory is still 199.8 MB. Free memory was 141.4 MB in the beginning and 133.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:07,733 INFO L168 Benchmark]: RCFGBuilder took 2149.69 ms. Allocated memory was 199.8 MB in the beginning and 271.6 MB in the end (delta: 71.8 MB). Free memory was 133.3 MB in the beginning and 212.6 MB in the end (delta: -79.3 MB). Peak memory consumption was 94.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:07,734 INFO L168 Benchmark]: TraceAbstraction took 3952.87 ms. Allocated memory was 271.6 MB in the beginning and 357.6 MB in the end (delta: 86.0 MB). Free memory was 212.6 MB in the beginning and 247.5 MB in the end (delta: -34.9 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:07,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1051.50 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 83.5 MB in the beginning and 141.4 MB in the end (delta: -58.0 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 171.72 ms. Allocated memory is still 199.8 MB. Free memory was 141.4 MB in the beginning and 133.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2149.69 ms. Allocated memory was 199.8 MB in the beginning and 271.6 MB in the end (delta: 71.8 MB). Free memory was 133.3 MB in the beginning and 212.6 MB in the end (delta: -79.3 MB). Peak memory consumption was 94.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3952.87 ms. Allocated memory was 271.6 MB in the beginning and 357.6 MB in the end (delta: 86.0 MB). Free memory was 212.6 MB in the beginning and 247.5 MB in the end (delta: -34.9 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1237]: 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 97 procedures, 652 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2837 SDtfs, 1216 SDslu, 8317 SDs, 0 SdLazy, 485 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=2345occurred 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, 0.8s InterpolantComputationTime, 846 NumberOfCodeBlocks, 846 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 840 ConstructedInterpolants, 0 QuantifiedInterpolants, 162530 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...