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_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:51:12,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:51:12,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:51:12,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:51:12,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:51:12,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:51:12,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:51:12,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:51:12,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:51:12,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:51:12,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:51:12,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:51:12,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:51:12,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:51:12,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:51:12,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:51:12,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:51:12,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:51:12,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:51:12,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:51:12,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:51:12,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:51:12,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:51:12,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:51:12,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:51:12,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:51:12,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:51:12,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:51:12,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:51:12,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:51:12,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:51:12,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:51:12,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:51:12,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:51:12,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:51:12,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:51:12,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:51:12,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:51:12,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:51:12,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:51:12,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:51:12,489 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 02:51:12,515 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:51:12,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:51:12,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:51:12,516 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:51:12,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:51:12,517 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:51:12,517 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:51:12,518 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:51:12,518 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:51:12,518 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:51:12,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:51:12,521 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:51:12,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:51:12,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:51:12,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:51:12,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:51:12,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:51:12,523 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:51:12,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:51:12,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:51:12,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:51:12,524 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:51:12,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:51:12,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:51:12,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:51:12,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:51:12,525 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:51:12,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:51:12,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:51:12,525 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:51:12,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:51:12,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:51:12,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:51:12,605 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:51:12,606 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:51:12,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c [2019-10-03 02:51:12,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67a77a926/50742e52145848fd922b902f1bf4d834/FLAG300f7907f [2019-10-03 02:51:13,357 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:51:13,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c [2019-10-03 02:51:13,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67a77a926/50742e52145848fd922b902f1bf4d834/FLAG300f7907f [2019-10-03 02:51:13,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67a77a926/50742e52145848fd922b902f1bf4d834 [2019-10-03 02:51:13,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:51:13,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:51:13,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:13,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:51:13,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:51:13,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:13" (1/1) ... [2019-10-03 02:51:13,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d01eef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:13, skipping insertion in model container [2019-10-03 02:51:13,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:13" (1/1) ... [2019-10-03 02:51:13,555 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:51:13,636 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:51:14,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:14,483 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:51:14,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:14,694 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:51:14,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:14 WrapperNode [2019-10-03 02:51:14,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:14,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:51:14,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:51:14,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:51:14,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:14" (1/1) ... [2019-10-03 02:51:14,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:14" (1/1) ... [2019-10-03 02:51:14,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:14" (1/1) ... [2019-10-03 02:51:14,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:14" (1/1) ... [2019-10-03 02:51:14,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:14" (1/1) ... [2019-10-03 02:51:14,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:14" (1/1) ... [2019-10-03 02:51:14,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:14" (1/1) ... [2019-10-03 02:51:14,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:51:14,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:51:14,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:51:14,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:51:14,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:14" (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 02:51:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:51:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:51:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:51:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:51:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:51:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:51:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:51:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:51:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:51:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:51:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:14,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:51:14,955 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:51:14,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:51:14,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:51:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:51:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:51:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:51:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:51:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:51:14,957 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:51:14,957 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:51:14,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:51:14,957 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:51:14,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:51:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:51:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:51:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:51:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:51:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:51:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:51:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:51:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:51:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:51:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:51:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:51:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:51:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:51:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:51:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:51:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:51:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:51:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:51:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:51:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:51:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:51:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:51:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:51:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:51:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:51:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:51:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:51:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:51:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:51:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:51:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:51:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:51:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:51:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:51:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:51:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:51:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:51:14,965 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:51:14,965 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:51:14,965 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:51:14,965 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:51:14,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:51:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:51:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:51:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:51:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:51:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:51:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:51:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:51:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:51:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:51:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:51:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:51:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:51:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:51:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:51:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:51:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:51:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:51:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:51:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:51:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:51:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:51:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:51:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:51:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:14,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:51:14,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:51:14,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:51:14,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:51:14,971 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:51:14,971 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:51:14,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:51:14,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:51:14,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:51:14,972 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:51:14,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-03 02:51:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:51:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:51:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:51:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:51:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:51:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:51:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:51:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:51:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:51:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:51:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:51:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:51:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:51:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:51:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:51:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:51:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:51:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:51:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:51:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:51:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:51:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:51:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:51:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:51:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:51:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:51:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:51:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:51:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:51:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:51:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:51:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:51:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:51:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:51:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:51:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:51:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:51:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:51:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:51:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:51:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:51:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:51:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:51:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:51:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:51:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:51:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:51:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:51:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:51:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:51:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:51:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:51:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:51:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:51:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:51:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:51:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:51:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:51:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:51:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:51:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:51:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:51:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:51:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:51:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:51:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:51:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:51:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:51:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:51:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:51:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:51:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:51:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:51:14,985 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:51:14,985 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:51:14,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-03 02:51:14,985 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:51:14,985 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:51:14,985 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:51:14,985 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:51:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:51:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:51:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:51:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:51:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:51:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:51:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:51:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:51:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:51:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:51:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:51:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:51:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:51:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:51:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:51:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:51:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:51:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:51:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:51:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:51:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:51:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:51:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:51:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:51:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:51:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:51:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:51:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:51:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:51:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:51:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:51:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:51:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:51:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:51:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:51:17,120 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:51:17,120 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:51:17,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:17 BoogieIcfgContainer [2019-10-03 02:51:17,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:51:17,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:51:17,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:51:17,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:51:17,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:51:13" (1/3) ... [2019-10-03 02:51:17,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee1a3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:17, skipping insertion in model container [2019-10-03 02:51:17,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:14" (2/3) ... [2019-10-03 02:51:17,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee1a3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:17, skipping insertion in model container [2019-10-03 02:51:17,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:17" (3/3) ... [2019-10-03 02:51:17,132 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product12.cil.c [2019-10-03 02:51:17,144 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:51:17,157 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:51:17,177 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:51:17,213 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:51:17,214 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:51:17,215 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:51:17,215 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:51:17,215 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:51:17,215 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:51:17,215 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:51:17,215 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:51:17,257 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states. [2019-10-03 02:51:17,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-03 02:51:17,302 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:17,304 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] [2019-10-03 02:51:17,307 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:17,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:17,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1292534618, now seen corresponding path program 1 times [2019-10-03 02:51:17,317 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:17,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:17,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:17,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:17,407 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:17,999 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 02:51:18,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:18,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:51:18,003 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:18,011 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:18,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:18,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:18,034 INFO L87 Difference]: Start difference. First operand 424 states. Second operand 2 states. [2019-10-03 02:51:18,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:18,085 INFO L93 Difference]: Finished difference Result 388 states and 521 transitions. [2019-10-03 02:51:18,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:18,087 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-10-03 02:51:18,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:18,110 INFO L225 Difference]: With dead ends: 388 [2019-10-03 02:51:18,110 INFO L226 Difference]: Without dead ends: 379 [2019-10-03 02:51:18,112 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:18,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-10-03 02:51:18,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2019-10-03 02:51:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-10-03 02:51:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 510 transitions. [2019-10-03 02:51:18,216 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 510 transitions. Word has length 145 [2019-10-03 02:51:18,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:18,218 INFO L475 AbstractCegarLoop]: Abstraction has 379 states and 510 transitions. [2019-10-03 02:51:18,218 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 510 transitions. [2019-10-03 02:51:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-03 02:51:18,223 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:18,224 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] [2019-10-03 02:51:18,224 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:18,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:18,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1702693606, now seen corresponding path program 1 times [2019-10-03 02:51:18,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:18,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:18,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:18,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:18,230 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:18,543 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 02:51:18,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:18,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:18,544 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:18,546 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:18,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:18,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:18,547 INFO L87 Difference]: Start difference. First operand 379 states and 510 transitions. Second operand 3 states. [2019-10-03 02:51:18,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:18,593 INFO L93 Difference]: Finished difference Result 382 states and 513 transitions. [2019-10-03 02:51:18,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:18,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-03 02:51:18,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:18,605 INFO L225 Difference]: With dead ends: 382 [2019-10-03 02:51:18,606 INFO L226 Difference]: Without dead ends: 382 [2019-10-03 02:51:18,606 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:18,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-10-03 02:51:18,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2019-10-03 02:51:18,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-10-03 02:51:18,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 512 transitions. [2019-10-03 02:51:18,634 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 512 transitions. Word has length 146 [2019-10-03 02:51:18,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:18,635 INFO L475 AbstractCegarLoop]: Abstraction has 381 states and 512 transitions. [2019-10-03 02:51:18,635 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:18,635 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 512 transitions. [2019-10-03 02:51:18,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-03 02:51:18,638 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:18,638 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] [2019-10-03 02:51:18,639 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:18,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:18,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1477290126, now seen corresponding path program 1 times [2019-10-03 02:51:18,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:18,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:18,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:18,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:18,644 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:18,815 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 02:51:18,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:18,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:18,816 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:18,817 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:18,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:18,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:18,818 INFO L87 Difference]: Start difference. First operand 381 states and 512 transitions. Second operand 3 states. [2019-10-03 02:51:18,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:18,840 INFO L93 Difference]: Finished difference Result 420 states and 579 transitions. [2019-10-03 02:51:18,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:18,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-10-03 02:51:18,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:18,844 INFO L225 Difference]: With dead ends: 420 [2019-10-03 02:51:18,845 INFO L226 Difference]: Without dead ends: 420 [2019-10-03 02:51:18,845 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:18,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2019-10-03 02:51:18,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 419. [2019-10-03 02:51:18,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-03 02:51:18,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 578 transitions. [2019-10-03 02:51:18,883 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 578 transitions. Word has length 152 [2019-10-03 02:51:18,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:18,886 INFO L475 AbstractCegarLoop]: Abstraction has 419 states and 578 transitions. [2019-10-03 02:51:18,886 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 578 transitions. [2019-10-03 02:51:18,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-03 02:51:18,893 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:18,893 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] [2019-10-03 02:51:18,893 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:18,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:18,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1886930768, now seen corresponding path program 1 times [2019-10-03 02:51:18,894 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:18,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:18,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:18,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:18,905 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-03 02:51:19,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:19,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-03 02:51:19,982 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:19,982 INFO L454 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-03 02:51:19,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-03 02:51:19,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=801, Unknown=0, NotChecked=0, Total=870 [2019-10-03 02:51:19,984 INFO L87 Difference]: Start difference. First operand 419 states and 578 transitions. Second operand 30 states. [2019-10-03 02:51:24,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:24,629 INFO L93 Difference]: Finished difference Result 817 states and 1148 transitions. [2019-10-03 02:51:24,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-10-03 02:51:24,630 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 153 [2019-10-03 02:51:24,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:24,637 INFO L225 Difference]: With dead ends: 817 [2019-10-03 02:51:24,637 INFO L226 Difference]: Without dead ends: 812 [2019-10-03 02:51:24,639 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=254, Invalid=3052, Unknown=0, NotChecked=0, Total=3306 [2019-10-03 02:51:24,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2019-10-03 02:51:24,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 629. [2019-10-03 02:51:24,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2019-10-03 02:51:24,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 914 transitions. [2019-10-03 02:51:24,673 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 914 transitions. Word has length 153 [2019-10-03 02:51:24,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:24,674 INFO L475 AbstractCegarLoop]: Abstraction has 629 states and 914 transitions. [2019-10-03 02:51:24,674 INFO L476 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-03 02:51:24,674 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 914 transitions. [2019-10-03 02:51:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-03 02:51:24,678 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:24,678 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-10-03 02:51:24,679 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:24,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:24,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1456150513, now seen corresponding path program 1 times [2019-10-03 02:51:24,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:24,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:24,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:24,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:24,683 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:25,408 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 02:51:25,408 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:51:25,409 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:51:25,410 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2019-10-03 02:51:25,412 INFO L207 CegarAbsIntRunner]: [110], [126], [129], [143], [144], [146], [256], [258], [262], [265], [266], [267], [270], [276], [300], [307], [309], [312], [331], [334], [343], [354], [356], [357], [360], [370], [583], [585], [586], [587], [623], [626], [628], [631], [640], [669], [670], [671], [711], [715], [718], [736], [739], [797], [806], [810], [812], [814], [817], [824], [831], [834], [1093], [1147], [1149], [1151], [1158], [1180], [1191], [1194], [1195], [1198], [1201], [1232], [1233], [1235], [1318], [1321], [1327], [1348], [1351], [1365], [1373], [1376], [1385], [1574], [1576], [1578], [1580], [1581], [1603], [1613], [1614], [1615], [1616], [1617], [1618], [1621], [1622], [1623], [1624], [1625], [1627], [1628], [1629], [1630], [1639], [1640], [1641], [1653], [1654], [1675], [1676], [1689], [1695], [1696], [1697], [1698], [1699], [1700], [1701], [1702], [1703], [1705], [1706], [1707], [1708], [1749], [1751], [1752], [1753], [1754], [1759], [1761], [1762], [1763], [1764], [1765], [1766], [1767], [1781], [1782], [1783], [1784], [1785], [1786], [1787], [1788], [1789] [2019-10-03 02:51:25,468 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:51:25,469 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:51:25,617 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:51:25,619 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 196 root evaluator evaluations with a maximum evaluation depth of 0. Performed 196 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 358 variables. [2019-10-03 02:51:25,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:25,626 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:51:25,694 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:51:25,694 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:51:25,699 INFO L420 sIntCurrentIteration]: We unified 153 AI predicates to 153 [2019-10-03 02:51:25,699 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:51:25,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:51:25,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [30] total 30 [2019-10-03 02:51:25,701 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:25,701 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:25,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:25,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:25,702 INFO L87 Difference]: Start difference. First operand 629 states and 914 transitions. Second operand 2 states. [2019-10-03 02:51:25,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:25,703 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:51:25,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:25,703 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-10-03 02:51:25,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:25,704 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:51:25,704 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:51:25,704 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:25,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:51:25,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:51:25,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:51:25,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:51:25,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2019-10-03 02:51:25,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:25,705 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:51:25,706 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:25,706 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:51:25,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:51:25,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:51:25 BoogieIcfgContainer [2019-10-03 02:51:25,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:51:25,715 INFO L168 Benchmark]: Toolchain (without parser) took 12178.11 ms. Allocated memory was 140.5 MB in the beginning and 388.0 MB in the end (delta: 247.5 MB). Free memory was 85.3 MB in the beginning and 289.0 MB in the end (delta: -203.7 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:25,716 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:51:25,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1159.58 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 85.1 MB in the beginning and 138.5 MB in the end (delta: -53.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:25,718 INFO L168 Benchmark]: Boogie Preprocessor took 162.97 ms. Allocated memory is still 201.9 MB. Free memory was 138.5 MB in the beginning and 130.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:25,719 INFO L168 Benchmark]: RCFGBuilder took 2262.52 ms. Allocated memory was 201.9 MB in the beginning and 263.2 MB in the end (delta: 61.3 MB). Free memory was 130.1 MB in the beginning and 180.8 MB in the end (delta: -50.6 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:25,720 INFO L168 Benchmark]: TraceAbstraction took 8587.25 ms. Allocated memory was 263.2 MB in the beginning and 388.0 MB in the end (delta: 124.8 MB). Free memory was 180.8 MB in the beginning and 289.0 MB in the end (delta: -108.2 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:25,725 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1159.58 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 85.1 MB in the beginning and 138.5 MB in the end (delta: -53.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 162.97 ms. Allocated memory is still 201.9 MB. Free memory was 138.5 MB in the beginning and 130.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2262.52 ms. Allocated memory was 201.9 MB in the beginning and 263.2 MB in the end (delta: 61.3 MB). Free memory was 130.1 MB in the beginning and 180.8 MB in the end (delta: -50.6 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8587.25 ms. Allocated memory was 263.2 MB in the beginning and 388.0 MB in the end (delta: 124.8 MB). Free memory was 180.8 MB in the beginning and 289.0 MB in the end (delta: -108.2 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2690]: 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 106 procedures, 721 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2169 SDtfs, 1223 SDslu, 14985 SDs, 0 SdLazy, 2686 SolverSat, 305 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=629occurred 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, 2.3594771241830066 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 185 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 750 NumberOfCodeBlocks, 750 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 745 ConstructedInterpolants, 0 QuantifiedInterpolants, 192770 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 143/146 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...