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_spec8_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:46:15,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:46:15,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:46:15,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:46:15,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:46:15,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:46:15,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:46:15,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:46:15,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:46:15,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:46:15,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:46:15,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:46:15,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:46:15,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:46:15,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:46:15,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:46:15,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:46:15,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:46:15,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:46:15,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:46:15,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:46:15,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:46:15,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:46:15,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:46:15,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:46:15,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:46:15,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:46:15,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:46:15,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:46:15,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:46:15,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:46:15,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:46:15,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:46:15,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:46:15,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:46:15,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:46:15,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:46:15,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:46:15,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:46:15,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:46:15,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:46:15,946 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 [2019-09-10 02:46:15,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:46:15,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:46:15,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:46:15,971 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:46:15,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:46:15,972 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:46:15,972 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:46:15,972 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:46:15,972 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:46:15,972 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:46:15,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:46:15,973 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:46:15,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:46:15,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:46:15,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:46:15,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:46:15,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:46:15,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:46:15,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:46:15,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:46:15,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:46:15,975 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:46:15,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:46:15,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:46:15,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:46:15,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:46:15,976 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:46:15,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:46:15,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:46:15,977 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:46:16,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:46:16,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:46:16,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:46:16,045 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:46:16,046 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:46:16,047 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product31.cil.c [2019-09-10 02:46:16,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd48c25a/239942abaa4448ea97bcc0fcb8d1938d/FLAG84c451f0e [2019-09-10 02:46:16,737 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:46:16,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product31.cil.c [2019-09-10 02:46:16,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd48c25a/239942abaa4448ea97bcc0fcb8d1938d/FLAG84c451f0e [2019-09-10 02:46:16,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd48c25a/239942abaa4448ea97bcc0fcb8d1938d [2019-09-10 02:46:16,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:46:16,959 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:46:16,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:46:16,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:46:16,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:46:16,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:46:16" (1/1) ... [2019-09-10 02:46:16,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d177700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:16, skipping insertion in model container [2019-09-10 02:46:16,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:46:16" (1/1) ... [2019-09-10 02:46:16,974 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:46:17,041 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:46:17,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:46:17,773 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:46:17,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:46:17,998 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:46:18,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:18 WrapperNode [2019-09-10 02:46:18,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:46:18,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:46:18,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:46:18,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:46:18,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:18" (1/1) ... [2019-09-10 02:46:18,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:18" (1/1) ... [2019-09-10 02:46:18,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:18" (1/1) ... [2019-09-10 02:46:18,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:18" (1/1) ... [2019-09-10 02:46:18,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:18" (1/1) ... [2019-09-10 02:46:18,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:18" (1/1) ... [2019-09-10 02:46:18,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:18" (1/1) ... [2019-09-10 02:46:18,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:46:18,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:46:18,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:46:18,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:46:18,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:18" (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 [2019-09-10 02:46:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:46:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:46:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:46:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:46:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:46:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:46:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:46:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:46:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:46:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:46:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:46:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:46:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:46:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:46:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:46:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:46:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:46:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:46:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:46:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:46:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:46:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:46:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:46:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:46:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:46:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:46:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:46:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:46:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:46:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:46:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:46:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:46:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:46:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:46:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:46:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:46:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:46:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:46:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:46:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:46:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:46:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-09-10 02:46:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:46:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:46:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:46:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:46:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:46:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:46:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:46:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:46:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:46:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:46:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:46:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:46:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:46:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:46:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:46:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:46:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:46:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:46:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:46:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:46:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:46:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:46:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:46:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:46:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:46:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:46:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:46:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:46:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:46:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:46:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:46:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:46:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:46:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-09-10 02:46:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:46:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:46:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:46:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:46:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:46:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:46:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:46:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:46:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:46:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:46:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:46:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:46:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:46:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:46:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:46:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:46:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:46:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:46:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:46:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:46:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:46:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:46:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:46:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:46:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:46:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:46:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:46:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:46:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:46:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:46:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:46:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:46:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:46:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:46:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:46:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:46:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:46:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:46:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-09-10 02:46:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-09-10 02:46:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:46:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:46:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:46:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:46:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:46:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:46:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:46:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:46:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:46:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:46:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:46:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:46:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:46:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:46:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:46:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:46:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:46:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:46:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:46:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:46:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:46:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:46:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:46:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:46:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:46:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:46:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:46:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:46:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:46:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:46:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:46:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:46:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:46:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:46:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:46:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:46:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:46:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:46:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:46:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:46:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:46:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:46:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:46:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:46:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:46:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:46:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:46:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:46:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:46:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:46:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:46:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:46:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:46:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:46:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:46:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:46:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:46:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:46:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:46:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:46:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:46:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:46:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:46:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:46:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:46:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:46:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-09-10 02:46:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:46:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:46:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:46:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:46:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:46:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:46:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:46:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:46:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:46:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:46:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:46:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:46:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:46:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:46:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:46:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:46:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:46:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:46:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:46:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:46:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:46:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:46:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:46:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:46:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:46:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:46:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:46:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:46:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:46:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:46:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:46:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:46:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:46:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-09-10 02:46:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:46:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-09-10 02:46:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:46:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:46:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:46:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-09-10 02:46:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:46:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:46:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:46:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:46:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:46:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:46:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:46:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:46:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:46:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:46:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:46:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:46:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:46:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:46:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:46:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:46:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:46:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:46:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:46:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:46:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:46:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:46:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:46:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:46:20,451 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:46:20,451 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:46:20,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:46:20 BoogieIcfgContainer [2019-09-10 02:46:20,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:46:20,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:46:20,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:46:20,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:46:20,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:46:16" (1/3) ... [2019-09-10 02:46:20,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e82f342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:46:20, skipping insertion in model container [2019-09-10 02:46:20,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:18" (2/3) ... [2019-09-10 02:46:20,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e82f342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:46:20, skipping insertion in model container [2019-09-10 02:46:20,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:46:20" (3/3) ... [2019-09-10 02:46:20,461 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product31.cil.c [2019-09-10 02:46:20,471 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:46:20,481 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:46:20,498 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:46:20,527 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:46:20,527 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:46:20,527 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:46:20,527 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:46:20,528 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:46:20,528 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:46:20,528 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:46:20,528 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:46:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states. [2019-09-10 02:46:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-09-10 02:46:20,583 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:20,585 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:20,587 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:20,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:20,595 INFO L82 PathProgramCache]: Analyzing trace with hash 718074113, now seen corresponding path program 1 times [2019-09-10 02:46:20,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:20,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:20,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:20,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:20,655 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:46:21,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:21,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:46:21,206 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:21,211 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:46:21,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:46:21,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:46:21,225 INFO L87 Difference]: Start difference. First operand 562 states. Second operand 2 states. [2019-09-10 02:46:21,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:21,281 INFO L93 Difference]: Finished difference Result 548 states and 722 transitions. [2019-09-10 02:46:21,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:46:21,282 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-09-10 02:46:21,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:21,310 INFO L225 Difference]: With dead ends: 548 [2019-09-10 02:46:21,310 INFO L226 Difference]: Without dead ends: 539 [2019-09-10 02:46:21,312 INFO L628 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 [2019-09-10 02:46:21,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-09-10 02:46:21,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2019-09-10 02:46:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-09-10 02:46:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 711 transitions. [2019-09-10 02:46:21,429 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 711 transitions. Word has length 158 [2019-09-10 02:46:21,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:21,431 INFO L475 AbstractCegarLoop]: Abstraction has 539 states and 711 transitions. [2019-09-10 02:46:21,431 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:46:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 711 transitions. [2019-09-10 02:46:21,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-10 02:46:21,438 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:21,438 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:21,439 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:21,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:21,439 INFO L82 PathProgramCache]: Analyzing trace with hash 95900195, now seen corresponding path program 1 times [2019-09-10 02:46:21,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:21,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:21,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:21,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:21,441 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:46:21,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:21,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:21,717 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:21,719 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:21,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:21,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:21,720 INFO L87 Difference]: Start difference. First operand 539 states and 711 transitions. Second operand 3 states. [2019-09-10 02:46:21,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:21,775 INFO L93 Difference]: Finished difference Result 542 states and 714 transitions. [2019-09-10 02:46:21,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:21,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-09-10 02:46:21,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:21,790 INFO L225 Difference]: With dead ends: 542 [2019-09-10 02:46:21,793 INFO L226 Difference]: Without dead ends: 542 [2019-09-10 02:46:21,794 INFO L628 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 [2019-09-10 02:46:21,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2019-09-10 02:46:21,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 541. [2019-09-10 02:46:21,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-09-10 02:46:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 713 transitions. [2019-09-10 02:46:21,835 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 713 transitions. Word has length 159 [2019-09-10 02:46:21,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:21,837 INFO L475 AbstractCegarLoop]: Abstraction has 541 states and 713 transitions. [2019-09-10 02:46:21,837 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 713 transitions. [2019-09-10 02:46:21,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-09-10 02:46:21,844 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:21,844 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:21,844 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:21,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:21,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1408661417, now seen corresponding path program 1 times [2019-09-10 02:46:21,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:21,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:21,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:21,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:21,846 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:46:22,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:22,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:22,044 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:22,044 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:22,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:22,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:22,045 INFO L87 Difference]: Start difference. First operand 541 states and 713 transitions. Second operand 3 states. [2019-09-10 02:46:22,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:22,088 INFO L93 Difference]: Finished difference Result 582 states and 783 transitions. [2019-09-10 02:46:22,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:22,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-09-10 02:46:22,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:22,098 INFO L225 Difference]: With dead ends: 582 [2019-09-10 02:46:22,098 INFO L226 Difference]: Without dead ends: 582 [2019-09-10 02:46:22,099 INFO L628 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 [2019-09-10 02:46:22,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-09-10 02:46:22,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 581. [2019-09-10 02:46:22,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2019-09-10 02:46:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 782 transitions. [2019-09-10 02:46:22,135 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 782 transitions. Word has length 165 [2019-09-10 02:46:22,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:22,135 INFO L475 AbstractCegarLoop]: Abstraction has 581 states and 782 transitions. [2019-09-10 02:46:22,135 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:22,136 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 782 transitions. [2019-09-10 02:46:22,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-09-10 02:46:22,143 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:22,143 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:22,144 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:22,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:22,144 INFO L82 PathProgramCache]: Analyzing trace with hash 476194519, now seen corresponding path program 1 times [2019-09-10 02:46:22,144 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:22,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:22,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:22,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:22,146 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-10 02:46:22,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:22,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:22,463 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:22,472 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:22,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:22,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:22,473 INFO L87 Difference]: Start difference. First operand 581 states and 782 transitions. Second operand 3 states. [2019-09-10 02:46:22,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:22,506 INFO L93 Difference]: Finished difference Result 685 states and 925 transitions. [2019-09-10 02:46:22,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:22,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-09-10 02:46:22,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:22,513 INFO L225 Difference]: With dead ends: 685 [2019-09-10 02:46:22,513 INFO L226 Difference]: Without dead ends: 674 [2019-09-10 02:46:22,513 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:22,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2019-09-10 02:46:22,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2019-09-10 02:46:22,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2019-09-10 02:46:22,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 905 transitions. [2019-09-10 02:46:22,539 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 905 transitions. Word has length 166 [2019-09-10 02:46:22,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:22,539 INFO L475 AbstractCegarLoop]: Abstraction has 674 states and 905 transitions. [2019-09-10 02:46:22,540 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 905 transitions. [2019-09-10 02:46:22,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-09-10 02:46:22,546 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:22,546 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:22,547 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:22,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:22,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1063434513, now seen corresponding path program 1 times [2019-09-10 02:46:22,547 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:22,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:22,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:22,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:22,549 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-09-10 02:46:23,097 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:46:23,097 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:46:23,099 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2019-09-10 02:46:23,102 INFO L207 CegarAbsIntRunner]: [29], [30], [44], [47], [54], [56], [72], [75], [85], [123], [126], [131], [133], [135], [152], [155], [156], [157], [159], [269], [271], [274], [275], [278], [279], [280], [283], [289], [290], [291], [311], [313], [326], [329], [338], [339], [341], [344], [348], [349], [351], [352], [355], [365], [366], [367], [394], [396], [408], [430], [431], [434], [436], [441], [445], [447], [461], [463], [464], [471], [474], [644], [646], [647], [648], [686], [689], [703], [749], [750], [751], [753], [755], [757], [768], [770], [773], [777], [801], [805], [808], [816], [819], [837], [840], [850], [851], [854], [879], [882], [885], [894], [898], [900], [902], [905], [912], [919], [922], [1183], [1255], [1258], [1259], [1270], [1273], [1274], [1277], [1280], [1311], [1312], [1314], [1316], [1323], [1326], [1327], [1329], [1331], [1412], [1415], [1421], [1442], [1445], [1459], [1465], [1468], [1477], [1491], [1492], [1666], [1668], [1670], [1672], [1673], [1685], [1686], [1687], [1688], [1703], [1704], [1705], [1706], [1707], [1708], [1709], [1710], [1711], [1713], [1714], [1715], [1716], [1717], [1718], [1721], [1722], [1723], [1724], [1725], [1726], [1727], [1728], [1729], [1730], [1737], [1738], [1743], [1744], [1747], [1748], [1753], [1754], [1767], [1768], [1769], [1771], [1772], [1773], [1774], [1775], [1776], [1797], [1798], [1819], [1820], [1821], [1822], [1823], [1824], [1825], [1826], [1831], [1832], [1833], [1834], [1835], [1836], [1837], [1838], [1839], [1841], [1842], [1843], [1844], [1859], [1860], [1861], [1862], [1873], [1874], [1895], [1897], [1898], [1899], [1900], [1901], [1902], [1903], [1904], [1905], [1906], [1907], [1908], [1913], [1914], [1915], [1916], [1917], [1918], [1929], [1930], [1931], [1932], [1933], [1934], [1935], [1936], [1937] [2019-09-10 02:46:23,154 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:46:23,154 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:46:23,347 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:46:23,349 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 264 root evaluator evaluations with a maximum evaluation depth of 0. Performed 264 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 386 variables. [2019-09-10 02:46:23,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:23,359 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:46:23,539 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:46:23,540 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:46:23,556 INFO L420 sIntCurrentIteration]: We unified 308 AI predicates to 308 [2019-09-10 02:46:23,557 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:46:23,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:46:23,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-09-10 02:46:23,558 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:23,560 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:46:23,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:46:23,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:46:23,561 INFO L87 Difference]: Start difference. First operand 674 states and 905 transitions. Second operand 2 states. [2019-09-10 02:46:23,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:23,562 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:46:23,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:46:23,562 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 309 [2019-09-10 02:46:23,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:23,563 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:46:23,563 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:46:23,563 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:46:23,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:46:23,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:46:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:46:23,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:46:23,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2019-09-10 02:46:23,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:23,565 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:46:23,565 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:46:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:46:23,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:46:23,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:46:23 BoogieIcfgContainer [2019-09-10 02:46:23,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:46:23,574 INFO L168 Benchmark]: Toolchain (without parser) took 6613.65 ms. Allocated memory was 131.1 MB in the beginning and 364.9 MB in the end (delta: 233.8 MB). Free memory was 84.1 MB in the beginning and 279.7 MB in the end (delta: -195.6 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:23,575 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:46:23,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1040.67 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 83.7 MB in the beginning and 127.9 MB in the end (delta: -44.2 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:23,579 INFO L168 Benchmark]: Boogie Preprocessor took 215.94 ms. Allocated memory is still 198.2 MB. Free memory was 127.9 MB in the beginning and 119.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:23,581 INFO L168 Benchmark]: RCFGBuilder took 2236.00 ms. Allocated memory was 198.2 MB in the beginning and 272.6 MB in the end (delta: 74.4 MB). Free memory was 119.0 MB in the beginning and 166.5 MB in the end (delta: -47.6 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:23,582 INFO L168 Benchmark]: TraceAbstraction took 3116.72 ms. Allocated memory was 272.6 MB in the beginning and 364.9 MB in the end (delta: 92.3 MB). Free memory was 166.5 MB in the beginning and 279.7 MB in the end (delta: -113.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:46:23,593 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1040.67 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 83.7 MB in the beginning and 127.9 MB in the end (delta: -44.2 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 215.94 ms. Allocated memory is still 198.2 MB. Free memory was 127.9 MB in the beginning and 119.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2236.00 ms. Allocated memory was 198.2 MB in the beginning and 272.6 MB in the end (delta: 74.4 MB). Free memory was 119.0 MB in the beginning and 166.5 MB in the end (delta: -47.6 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3116.72 ms. Allocated memory was 272.6 MB in the beginning and 364.9 MB in the end (delta: 92.3 MB). Free memory was 166.5 MB in the beginning and 279.7 MB in the end (delta: -113.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1489]: 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 116 procedures, 796 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2880 SDtfs, 482 SDslu, 1786 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=674occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.8603896103896105 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 952 ConstructedInterpolants, 0 QuantifiedInterpolants, 266256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 213/224 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...