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_spec9_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:56:12,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:56:12,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:56:12,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:56:12,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:56:12,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:56:12,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:56:12,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:56:12,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:56:12,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:56:12,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:56:12,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:56:12,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:56:12,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:56:12,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:56:12,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:56:12,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:56:12,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:56:12,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:56:12,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:56:12,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:56:12,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:56:12,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:56:12,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:56:12,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:56:12,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:56:12,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:56:12,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:56:12,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:56:12,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:56:12,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:56:12,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:56:12,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:56:12,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:56:12,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:56:12,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:56:12,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:56:12,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:56:12,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:56:12,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:56:12,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:56:12,331 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 02:56:12,358 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:56:12,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:56:12,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:56:12,360 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:56:12,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:56:12,361 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:56:12,361 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:56:12,361 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:56:12,361 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:56:12,362 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:56:12,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:56:12,364 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:56:12,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:56:12,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:56:12,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:56:12,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:56:12,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:56:12,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:56:12,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:56:12,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:56:12,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:56:12,366 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:56:12,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:56:12,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:56:12,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:56:12,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:56:12,367 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:56:12,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:56:12,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:56:12,370 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:56:12,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:56:12,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:56:12,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:56:12,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:56:12,432 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:56:12,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product29.cil.c [2019-10-03 02:56:12,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7683d5a58/c92f76de73bb48d2bb98ba72762ce196/FLAGcac31bc6b [2019-10-03 02:56:13,119 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:56:13,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product29.cil.c [2019-10-03 02:56:13,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7683d5a58/c92f76de73bb48d2bb98ba72762ce196/FLAGcac31bc6b [2019-10-03 02:56:13,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7683d5a58/c92f76de73bb48d2bb98ba72762ce196 [2019-10-03 02:56:13,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:56:13,331 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:56:13,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:56:13,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:56:13,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:56:13,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:56:13" (1/1) ... [2019-10-03 02:56:13,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2feeb304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:13, skipping insertion in model container [2019-10-03 02:56:13,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:56:13" (1/1) ... [2019-10-03 02:56:13,347 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:56:13,438 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:56:14,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:56:14,234 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:56:14,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:56:14,515 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:56:14,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:14 WrapperNode [2019-10-03 02:56:14,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:56:14,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:56:14,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:56:14,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:56:14,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:14" (1/1) ... [2019-10-03 02:56:14,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:14" (1/1) ... [2019-10-03 02:56:14,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:14" (1/1) ... [2019-10-03 02:56:14,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:14" (1/1) ... [2019-10-03 02:56:14,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:14" (1/1) ... [2019-10-03 02:56:14,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:14" (1/1) ... [2019-10-03 02:56:14,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:14" (1/1) ... [2019-10-03 02:56:14,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:56:14,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:56:14,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:56:14,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:56:14,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:14" (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 02:56:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:56:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:56:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:56:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:56:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:56:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:56:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:56:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:56:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:56:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-03 02:56:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:56:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:56:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:56:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:56:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:56:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-03 02:56:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-03 02:56:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:56:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:56:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:56:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:56:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:56:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:56:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:56:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:56:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:56:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:56:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:56:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:56:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:56:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:56:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:56:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:56:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:56:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:56:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:56:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:56:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:56:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:56:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:56:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:56:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:56:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:56:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:56:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:56:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:56:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:56:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:56:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:56:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:56:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:56:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:56:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:56:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:56:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:56:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:56:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:56:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:56:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:56:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:56:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:56:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:56:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:56:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:56:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:56:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:56:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:56:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:56:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:56:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:56:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:56:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:56:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:56:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:56:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:56:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:56:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:56:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:56:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:56:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:56:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:56:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:56:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:56:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:56:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:56:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:56:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:56:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:56:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:56:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:56:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:56:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:56:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:56:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:56:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:56:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:56:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:56:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:56:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:56:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:56:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:56:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:56:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:56:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:56:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:56:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:56:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:56:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:56:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:56:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:56:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:56:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:56:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:56:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:56:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:56:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:56:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:56:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:56:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:56:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:56:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:56:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:56:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:56:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:56:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:56:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:56:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:56:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:56:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:56:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:56:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:56:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:56:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:56:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:56:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:56:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:56:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:56:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:56:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:56:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:56:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-03 02:56:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:56:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:56:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:56:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-03 02:56:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-03 02:56:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:56:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:56:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:56:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:56:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:56:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:56:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:56:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:56:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:56:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:56:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:56:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:56:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:56:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:56:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:56:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:56:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:56:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:56:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:56:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:56:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:56:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:56:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:56:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:56:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:56:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:56:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:56:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:56:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:56:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:56:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:56:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:56:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:56:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:56:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:56:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:56:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:56:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:56:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:56:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:56:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:56:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:56:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:56:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:56:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:56:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:56:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:56:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:56:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:56:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:56:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:56:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:56:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:56:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:56:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:56:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:56:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:56:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:56:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:56:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:56:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:56:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:56:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:56:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:56:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:56:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:56:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:56:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:56:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:56:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:56:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:56:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:56:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:56:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:56:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:56:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:56:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:56:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:56:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:56:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:56:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:56:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:56:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:56:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:56:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:56:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:56:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:56:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:56:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:56:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:56:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:56:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:56:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:56:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:56:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:56:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:56:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:56:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:56:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:56:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:56:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:56:16,983 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:56:16,983 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:56:16,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:56:16 BoogieIcfgContainer [2019-10-03 02:56:16,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:56:16,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:56:16,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:56:16,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:56:16,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:56:13" (1/3) ... [2019-10-03 02:56:16,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d011c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:56:16, skipping insertion in model container [2019-10-03 02:56:16,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:14" (2/3) ... [2019-10-03 02:56:16,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d011c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:56:16, skipping insertion in model container [2019-10-03 02:56:16,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:56:16" (3/3) ... [2019-10-03 02:56:16,994 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product29.cil.c [2019-10-03 02:56:17,003 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:56:17,019 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:56:17,035 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:56:17,069 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:56:17,069 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:56:17,069 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:56:17,070 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:56:17,070 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:56:17,070 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:56:17,070 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:56:17,070 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:56:17,097 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states. [2019-10-03 02:56:17,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-03 02:56:17,124 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:17,125 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:17,127 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:17,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:17,133 INFO L82 PathProgramCache]: Analyzing trace with hash 584994227, now seen corresponding path program 1 times [2019-10-03 02:56:17,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:17,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:17,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:17,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:17,197 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:17,830 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:56:17,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:17,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:56:17,833 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:17,839 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:56:17,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:56:17,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:17,858 INFO L87 Difference]: Start difference. First operand 606 states. Second operand 2 states. [2019-10-03 02:56:17,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:17,916 INFO L93 Difference]: Finished difference Result 558 states and 763 transitions. [2019-10-03 02:56:17,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:56:17,917 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 167 [2019-10-03 02:56:17,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:17,944 INFO L225 Difference]: With dead ends: 558 [2019-10-03 02:56:17,945 INFO L226 Difference]: Without dead ends: 549 [2019-10-03 02:56:17,946 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 02:56:17,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2019-10-03 02:56:18,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2019-10-03 02:56:18,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2019-10-03 02:56:18,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 752 transitions. [2019-10-03 02:56:18,055 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 752 transitions. Word has length 167 [2019-10-03 02:56:18,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:18,057 INFO L475 AbstractCegarLoop]: Abstraction has 549 states and 752 transitions. [2019-10-03 02:56:18,057 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:56:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 752 transitions. [2019-10-03 02:56:18,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-03 02:56:18,063 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:18,063 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:18,064 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:18,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:18,064 INFO L82 PathProgramCache]: Analyzing trace with hash 758057620, now seen corresponding path program 1 times [2019-10-03 02:56:18,065 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:18,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:18,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:18,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:18,070 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:56:18,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:18,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:18,360 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:18,362 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:18,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:18,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:18,362 INFO L87 Difference]: Start difference. First operand 549 states and 752 transitions. Second operand 3 states. [2019-10-03 02:56:18,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:18,434 INFO L93 Difference]: Finished difference Result 552 states and 755 transitions. [2019-10-03 02:56:18,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:18,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-10-03 02:56:18,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:18,444 INFO L225 Difference]: With dead ends: 552 [2019-10-03 02:56:18,444 INFO L226 Difference]: Without dead ends: 552 [2019-10-03 02:56:18,445 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 02:56:18,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2019-10-03 02:56:18,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 551. [2019-10-03 02:56:18,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2019-10-03 02:56:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 754 transitions. [2019-10-03 02:56:18,495 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 754 transitions. Word has length 168 [2019-10-03 02:56:18,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:18,496 INFO L475 AbstractCegarLoop]: Abstraction has 551 states and 754 transitions. [2019-10-03 02:56:18,496 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 754 transitions. [2019-10-03 02:56:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-03 02:56:18,503 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:18,504 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:18,504 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:18,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:18,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1115975232, now seen corresponding path program 1 times [2019-10-03 02:56:18,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:18,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:18,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:18,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:18,509 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:56:18,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:18,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:18,751 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:18,756 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:18,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:18,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:18,760 INFO L87 Difference]: Start difference. First operand 551 states and 754 transitions. Second operand 3 states. [2019-10-03 02:56:18,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:18,813 INFO L93 Difference]: Finished difference Result 592 states and 824 transitions. [2019-10-03 02:56:18,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:18,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-10-03 02:56:18,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:18,826 INFO L225 Difference]: With dead ends: 592 [2019-10-03 02:56:18,826 INFO L226 Difference]: Without dead ends: 592 [2019-10-03 02:56:18,827 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 02:56:18,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2019-10-03 02:56:18,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 591. [2019-10-03 02:56:18,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2019-10-03 02:56:18,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 823 transitions. [2019-10-03 02:56:18,873 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 823 transitions. Word has length 174 [2019-10-03 02:56:18,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:18,876 INFO L475 AbstractCegarLoop]: Abstraction has 591 states and 823 transitions. [2019-10-03 02:56:18,876 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:18,877 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 823 transitions. [2019-10-03 02:56:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-03 02:56:18,887 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:18,888 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:18,888 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:18,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:18,889 INFO L82 PathProgramCache]: Analyzing trace with hash 866228765, now seen corresponding path program 1 times [2019-10-03 02:56:18,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:18,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:18,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:18,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:18,897 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:56:19,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:19,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:19,257 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:19,267 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:19,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:19,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:19,268 INFO L87 Difference]: Start difference. First operand 591 states and 823 transitions. Second operand 3 states. [2019-10-03 02:56:19,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:19,320 INFO L93 Difference]: Finished difference Result 732 states and 1023 transitions. [2019-10-03 02:56:19,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:19,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-10-03 02:56:19,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:19,332 INFO L225 Difference]: With dead ends: 732 [2019-10-03 02:56:19,332 INFO L226 Difference]: Without dead ends: 732 [2019-10-03 02:56:19,333 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 02:56:19,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2019-10-03 02:56:19,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 731. [2019-10-03 02:56:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 731 states. [2019-10-03 02:56:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1020 transitions. [2019-10-03 02:56:19,376 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1020 transitions. Word has length 175 [2019-10-03 02:56:19,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:19,378 INFO L475 AbstractCegarLoop]: Abstraction has 731 states and 1020 transitions. [2019-10-03 02:56:19,378 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:19,378 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1020 transitions. [2019-10-03 02:56:19,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-10-03 02:56:19,386 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:19,387 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:56:19,387 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:19,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:19,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1738374254, now seen corresponding path program 1 times [2019-10-03 02:56:19,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:19,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:19,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:19,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:19,394 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:19,774 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-03 02:56:19,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:19,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:56:19,774 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:19,775 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:56:19,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:56:19,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:56:19,776 INFO L87 Difference]: Start difference. First operand 731 states and 1020 transitions. Second operand 6 states. [2019-10-03 02:56:20,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:20,480 INFO L93 Difference]: Finished difference Result 1413 states and 1986 transitions. [2019-10-03 02:56:20,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:56:20,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 309 [2019-10-03 02:56:20,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:20,491 INFO L225 Difference]: With dead ends: 1413 [2019-10-03 02:56:20,492 INFO L226 Difference]: Without dead ends: 1413 [2019-10-03 02:56:20,492 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 02:56:20,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2019-10-03 02:56:20,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1402. [2019-10-03 02:56:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1402 states. [2019-10-03 02:56:20,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1976 transitions. [2019-10-03 02:56:20,555 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1976 transitions. Word has length 309 [2019-10-03 02:56:20,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:20,556 INFO L475 AbstractCegarLoop]: Abstraction has 1402 states and 1976 transitions. [2019-10-03 02:56:20,557 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:56:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1976 transitions. [2019-10-03 02:56:20,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-10-03 02:56:20,565 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:20,565 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:56:20,565 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:20,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:20,566 INFO L82 PathProgramCache]: Analyzing trace with hash 807957841, now seen corresponding path program 1 times [2019-10-03 02:56:20,566 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:20,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:20,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:20,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:20,572 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-03 02:56:21,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:21,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-03 02:56:21,009 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:21,010 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-03 02:56:21,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-03 02:56:21,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-03 02:56:21,011 INFO L87 Difference]: Start difference. First operand 1402 states and 1976 transitions. Second operand 11 states. [2019-10-03 02:56:21,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:21,613 INFO L93 Difference]: Finished difference Result 1390 states and 1946 transitions. [2019-10-03 02:56:21,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-03 02:56:21,614 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 310 [2019-10-03 02:56:21,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:21,622 INFO L225 Difference]: With dead ends: 1390 [2019-10-03 02:56:21,622 INFO L226 Difference]: Without dead ends: 1376 [2019-10-03 02:56:21,623 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:56:21,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2019-10-03 02:56:21,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1372. [2019-10-03 02:56:21,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2019-10-03 02:56:21,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1925 transitions. [2019-10-03 02:56:21,670 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1925 transitions. Word has length 310 [2019-10-03 02:56:21,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:21,670 INFO L475 AbstractCegarLoop]: Abstraction has 1372 states and 1925 transitions. [2019-10-03 02:56:21,670 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-03 02:56:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1925 transitions. [2019-10-03 02:56:21,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-10-03 02:56:21,679 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:21,679 INFO L411 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, 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] [2019-10-03 02:56:21,680 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:21,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:21,680 INFO L82 PathProgramCache]: Analyzing trace with hash -494275136, now seen corresponding path program 1 times [2019-10-03 02:56:21,680 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:21,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:21,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:21,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:21,684 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:22,337 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-10-03 02:56:22,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:56:22,338 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:56:22,340 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 319 with the following transitions: [2019-10-03 02:56:22,343 INFO L207 CegarAbsIntRunner]: [29], [30], [66], [69], [79], [103], [106], [116], [117], [120], [125], [127], [129], [146], [149], [150], [151], [153], [263], [265], [268], [269], [272], [273], [274], [277], [283], [284], [285], [305], [307], [310], [313], [322], [333], [335], [338], [342], [343], [345], [346], [349], [359], [360], [361], [395], [397], [409], [431], [451], [454], [620], [622], [623], [624], [625], [627], [628], [629], [632], [634], [639], [643], [645], [681], [684], [698], [727], [728], [739], [741], [743], [745], [756], [758], [761], [765], [789], [793], [796], [804], [807], [832], [835], [860], [863], [866], [875], [879], [881], [883], [886], [893], [900], [903], [1039], [1041], [1058], [1061], [1187], [1241], [1244], [1263], [1274], [1277], [1278], [1281], [1284], [1315], [1316], [1318], [1320], [1327], [1330], [1333], [1335], [1337], [1404], [1407], [1413], [1448], [1451], [1465], [1471], [1474], [1483], [1497], [1498], [1677], [1679], [1681], [1683], [1684], [1712], [1713], [1714], [1715], [1716], [1717], [1718], [1719], [1720], [1722], [1723], [1724], [1725], [1726], [1727], [1730], [1731], [1732], [1733], [1734], [1735], [1736], [1737], [1738], [1739], [1746], [1747], [1752], [1753], [1756], [1757], [1768], [1769], [1782], [1783], [1784], [1785], [1802], [1803], [1804], [1805], [1806], [1807], [1808], [1822], [1823], [1824], [1825], [1826], [1827], [1828], [1829], [1834], [1835], [1836], [1837], [1838], [1839], [1840], [1841], [1842], [1844], [1845], [1846], [1847], [1856], [1857], [1858], [1859], [1870], [1871], [1892], [1894], [1895], [1912], [1913], [1914], [1915], [1916], [1917], [1918], [1919], [1920], [1921], [1922], [1923], [1924], [1925], [1930], [1931], [1932], [1933], [1934], [1935], [1954], [1955], [1956], [1957], [1958], [1959], [1960], [1961], [1962] [2019-10-03 02:56:22,417 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:56:22,418 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:56:22,600 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:56:22,602 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 209 root evaluator evaluations with a maximum evaluation depth of 0. Performed 209 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 390 variables. [2019-10-03 02:56:22,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:22,606 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:56:22,765 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:56:22,765 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:56:22,781 INFO L420 sIntCurrentIteration]: We unified 317 AI predicates to 317 [2019-10-03 02:56:22,781 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:56:22,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:56:22,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [21] total 21 [2019-10-03 02:56:22,783 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:22,784 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:56:22,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:56:22,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:22,786 INFO L87 Difference]: Start difference. First operand 1372 states and 1925 transitions. Second operand 2 states. [2019-10-03 02:56:22,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:22,786 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:56:22,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:56:22,787 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 318 [2019-10-03 02:56:22,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:22,787 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:56:22,787 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:56:22,788 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 317 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 02:56:22,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:56:22,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:56:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:56:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:56:22,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 318 [2019-10-03 02:56:22,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:22,789 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:56:22,789 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:56:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:56:22,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:56:22,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:56:22 BoogieIcfgContainer [2019-10-03 02:56:22,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:56:22,798 INFO L168 Benchmark]: Toolchain (without parser) took 9465.56 ms. Allocated memory was 133.7 MB in the beginning and 413.1 MB in the end (delta: 279.4 MB). Free memory was 86.9 MB in the beginning and 192.4 MB in the end (delta: -105.5 MB). Peak memory consumption was 174.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:22,799 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-03 02:56:22,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1185.48 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 86.5 MB in the beginning and 130.3 MB in the end (delta: -43.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:22,803 INFO L168 Benchmark]: Boogie Preprocessor took 211.48 ms. Allocated memory is still 201.9 MB. Free memory was 130.3 MB in the beginning and 120.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:22,804 INFO L168 Benchmark]: RCFGBuilder took 2255.52 ms. Allocated memory was 201.9 MB in the beginning and 265.8 MB in the end (delta: 64.0 MB). Free memory was 120.9 MB in the beginning and 138.8 MB in the end (delta: -17.9 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:22,810 INFO L168 Benchmark]: TraceAbstraction took 5808.22 ms. Allocated memory was 265.8 MB in the beginning and 413.1 MB in the end (delta: 147.3 MB). Free memory was 138.8 MB in the beginning and 192.4 MB in the end (delta: -53.5 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:22,818 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1185.48 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 86.5 MB in the beginning and 130.3 MB in the end (delta: -43.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 211.48 ms. Allocated memory is still 201.9 MB. Free memory was 130.3 MB in the beginning and 120.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2255.52 ms. Allocated memory was 201.9 MB in the beginning and 265.8 MB in the end (delta: 64.0 MB). Free memory was 120.9 MB in the beginning and 138.8 MB in the end (delta: -17.9 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5808.22 ms. Allocated memory was 265.8 MB in the beginning and 413.1 MB in the end (delta: 147.3 MB). Free memory was 138.8 MB in the beginning and 192.4 MB in the end (delta: -53.5 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3025]: 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, 807 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4687 SDtfs, 2072 SDslu, 10905 SDs, 0 SdLazy, 450 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 367 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1402occurred in iteration=5, 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, 1.889589905362776 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 18 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1621 NumberOfCodeBlocks, 1621 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1614 ConstructedInterpolants, 0 QuantifiedInterpolants, 519214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 462/473 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...