java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec8_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:55:21,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:55:21,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:55:21,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:55:21,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:55:21,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:55:21,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:55:21,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:55:21,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:55:21,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:55:21,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:55:21,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:55:21,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:55:21,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:55:21,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:55:21,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:55:21,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:55:21,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:55:21,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:55:21,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:55:21,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:55:21,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:55:21,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:55:21,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:55:21,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:55:22,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:55:22,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:55:22,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:55:22,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:55:22,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:55:22,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:55:22,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:55:22,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:55:22,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:55:22,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:55:22,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:55:22,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:55:22,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:55:22,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:55:22,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:55:22,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:55:22,012 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 02:55:22,040 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:55:22,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:55:22,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:55:22,041 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:55:22,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:55:22,042 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:55:22,043 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:55:22,043 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:55:22,043 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:55:22,043 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:55:22,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:55:22,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:55:22,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:55:22,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:55:22,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:55:22,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:55:22,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:55:22,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:55:22,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:55:22,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:55:22,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:55:22,048 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:55:22,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:55:22,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:22,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:55:22,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:55:22,049 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:55:22,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:55:22,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:55:22,050 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:55:22,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:55:22,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:55:22,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:55:22,132 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:55:22,132 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:55:22,133 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product16.cil.c [2019-10-03 02:55:22,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1a5b87f2/e311c0812de8419fae0ad6cf1fa51522/FLAG530511d07 [2019-10-03 02:55:22,839 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:55:22,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product16.cil.c [2019-10-03 02:55:22,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1a5b87f2/e311c0812de8419fae0ad6cf1fa51522/FLAG530511d07 [2019-10-03 02:55:23,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1a5b87f2/e311c0812de8419fae0ad6cf1fa51522 [2019-10-03 02:55:23,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:55:23,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:55:23,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:23,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:55:23,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:55:23,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:23" (1/1) ... [2019-10-03 02:55:23,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218b528e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:23, skipping insertion in model container [2019-10-03 02:55:23,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:23" (1/1) ... [2019-10-03 02:55:23,067 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:55:23,151 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:55:23,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:23,950 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:55:24,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:24,206 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:55:24,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:24 WrapperNode [2019-10-03 02:55:24,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:24,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:55:24,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:55:24,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:55:24,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:24" (1/1) ... [2019-10-03 02:55:24,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:24" (1/1) ... [2019-10-03 02:55:24,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:24" (1/1) ... [2019-10-03 02:55:24,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:24" (1/1) ... [2019-10-03 02:55:24,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:24" (1/1) ... [2019-10-03 02:55:24,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:24" (1/1) ... [2019-10-03 02:55:24,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:24" (1/1) ... [2019-10-03 02:55:24,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:55:24,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:55:24,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:55:24,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:55:24,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:24" (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 02:55:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:55:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:55:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:55:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:55:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:55:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:55:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:55:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:55:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:55:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:55:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:55:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:55:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:55:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:55:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:55:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:55:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:55:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:55:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:55:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:55:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:55:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:55:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:55:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:55:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:55:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:55:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:55:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:55:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:55:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:55:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:55:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:55:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:55:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:55:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:55:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:55:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:55:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:55:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:55:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:55:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:55:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:55:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:55:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:55:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:55:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:55:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:55:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:55:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:55:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:55:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:55:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:55:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:55:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:55:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:55:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:55:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:55:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:55:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:55:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:55:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:55:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:55:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:55:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:55:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:55:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:55:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:55:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:55:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:55:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:55:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:55:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:55:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:55:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:55:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:55:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:55:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:55:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:55:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:55:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:55:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:55:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:55:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:55:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:55:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:55:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:55:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:55:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:55:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:55:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:55:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:55:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:55:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:55:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:55:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:55:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:55:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:55:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:55:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:55:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:55:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:55:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:55:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:55:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:55:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:55:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:55:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:55:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:55:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:55:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:55:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:55:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:55:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:55:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:55:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:55:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:55:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:55:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:55:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:55:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:55:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:55:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:55:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:55:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:55:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:55:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:55:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:55:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:55:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:55:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:55:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:55:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:55:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:55:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:55:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:55:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:55:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:55:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:55:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:55:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:55:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:55:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:55:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:55:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:55:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:55:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:55:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:55:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:55:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:55:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:55:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:55:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:55:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:55:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:55:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:55:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:55:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:55:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:55:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:55:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:55:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:55:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:55:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:55:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:55:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:55:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:55:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:55:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:55:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:55:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:55:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:55:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:55:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:55:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:55:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:55:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:55:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:55:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:55:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:55:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:55:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:55:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:55:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:55:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:55:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:55:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:55:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:55:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:55:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:55:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:55:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:55:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:55:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:55:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:55:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:55:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:55:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:55:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:55:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:55:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:55:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:55:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:55:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:55:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:55:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:55:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:55:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:55:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:55:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:55:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:55:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:55:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:55:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:55:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:55:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:55:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:55:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:55:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:55:24,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:55:26,626 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:55:26,626 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:55:26,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:26 BoogieIcfgContainer [2019-10-03 02:55:26,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:55:26,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:55:26,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:55:26,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:55:26,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:55:23" (1/3) ... [2019-10-03 02:55:26,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f5e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:26, skipping insertion in model container [2019-10-03 02:55:26,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:24" (2/3) ... [2019-10-03 02:55:26,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f5e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:26, skipping insertion in model container [2019-10-03 02:55:26,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:26" (3/3) ... [2019-10-03 02:55:26,640 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product16.cil.c [2019-10-03 02:55:26,652 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:55:26,669 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:55:26,686 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:55:26,718 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:55:26,718 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:55:26,719 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:55:26,719 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:55:26,719 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:55:26,719 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:55:26,719 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:55:26,719 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:55:26,758 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2019-10-03 02:55:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-03 02:55:26,800 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:26,801 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 02:55:26,805 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:26,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:26,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1079816034, now seen corresponding path program 1 times [2019-10-03 02:55:26,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:26,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:26,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:26,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:26,892 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:27,459 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 02:55:27,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:27,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:55:27,462 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:27,470 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:27,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:27,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:27,490 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 2 states. [2019-10-03 02:55:27,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:27,570 INFO L93 Difference]: Finished difference Result 466 states and 616 transitions. [2019-10-03 02:55:27,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:27,573 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-10-03 02:55:27,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:27,606 INFO L225 Difference]: With dead ends: 466 [2019-10-03 02:55:27,607 INFO L226 Difference]: Without dead ends: 457 [2019-10-03 02:55:27,610 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 02:55:27,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2019-10-03 02:55:27,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2019-10-03 02:55:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2019-10-03 02:55:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 605 transitions. [2019-10-03 02:55:27,740 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 605 transitions. Word has length 145 [2019-10-03 02:55:27,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:27,743 INFO L475 AbstractCegarLoop]: Abstraction has 457 states and 605 transitions. [2019-10-03 02:55:27,743 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 605 transitions. [2019-10-03 02:55:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-03 02:55:27,755 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:27,755 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 02:55:27,756 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:27,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:27,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1252139373, now seen corresponding path program 1 times [2019-10-03 02:55:27,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:27,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:27,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:27,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:27,767 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:28,082 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 02:55:28,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:28,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:28,083 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:28,085 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:28,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:28,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:28,086 INFO L87 Difference]: Start difference. First operand 457 states and 605 transitions. Second operand 3 states. [2019-10-03 02:55:28,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:28,117 INFO L93 Difference]: Finished difference Result 460 states and 608 transitions. [2019-10-03 02:55:28,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:28,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-03 02:55:28,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:28,121 INFO L225 Difference]: With dead ends: 460 [2019-10-03 02:55:28,122 INFO L226 Difference]: Without dead ends: 460 [2019-10-03 02:55:28,123 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 02:55:28,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-10-03 02:55:28,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2019-10-03 02:55:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2019-10-03 02:55:28,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 607 transitions. [2019-10-03 02:55:28,141 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 607 transitions. Word has length 146 [2019-10-03 02:55:28,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:28,142 INFO L475 AbstractCegarLoop]: Abstraction has 459 states and 607 transitions. [2019-10-03 02:55:28,142 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 607 transitions. [2019-10-03 02:55:28,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-03 02:55:28,145 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:28,145 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 02:55:28,146 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:28,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:28,146 INFO L82 PathProgramCache]: Analyzing trace with hash -88146113, now seen corresponding path program 1 times [2019-10-03 02:55:28,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:28,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:28,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:28,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:28,152 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:28,291 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 02:55:28,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:28,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:28,292 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:28,292 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:28,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:28,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:28,295 INFO L87 Difference]: Start difference. First operand 459 states and 607 transitions. Second operand 3 states. [2019-10-03 02:55:28,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:28,323 INFO L93 Difference]: Finished difference Result 500 states and 677 transitions. [2019-10-03 02:55:28,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:28,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-10-03 02:55:28,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:28,327 INFO L225 Difference]: With dead ends: 500 [2019-10-03 02:55:28,328 INFO L226 Difference]: Without dead ends: 500 [2019-10-03 02:55:28,328 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 02:55:28,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-10-03 02:55:28,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 499. [2019-10-03 02:55:28,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2019-10-03 02:55:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 676 transitions. [2019-10-03 02:55:28,346 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 676 transitions. Word has length 152 [2019-10-03 02:55:28,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:28,347 INFO L475 AbstractCegarLoop]: Abstraction has 499 states and 676 transitions. [2019-10-03 02:55:28,347 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:28,347 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 676 transitions. [2019-10-03 02:55:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-03 02:55:28,350 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:28,350 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 02:55:28,350 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:28,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:28,351 INFO L82 PathProgramCache]: Analyzing trace with hash -981912952, now seen corresponding path program 1 times [2019-10-03 02:55:28,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:28,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:28,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:28,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:28,356 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:28,594 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 02:55:28,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:28,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:28,595 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:28,596 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:28,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:28,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:28,596 INFO L87 Difference]: Start difference. First operand 499 states and 676 transitions. Second operand 3 states. [2019-10-03 02:55:28,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:28,620 INFO L93 Difference]: Finished difference Result 576 states and 783 transitions. [2019-10-03 02:55:28,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:28,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-03 02:55:28,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:28,625 INFO L225 Difference]: With dead ends: 576 [2019-10-03 02:55:28,625 INFO L226 Difference]: Without dead ends: 565 [2019-10-03 02:55:28,626 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 02:55:28,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2019-10-03 02:55:28,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2019-10-03 02:55:28,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2019-10-03 02:55:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 764 transitions. [2019-10-03 02:55:28,645 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 764 transitions. Word has length 153 [2019-10-03 02:55:28,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:28,646 INFO L475 AbstractCegarLoop]: Abstraction has 565 states and 764 transitions. [2019-10-03 02:55:28,646 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:28,646 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 764 transitions. [2019-10-03 02:55:28,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-10-03 02:55:28,651 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:28,652 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:55:28,652 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:28,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:28,652 INFO L82 PathProgramCache]: Analyzing trace with hash -766929263, now seen corresponding path program 1 times [2019-10-03 02:55:28,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:28,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:28,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:28,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:28,658 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:29,260 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-10-03 02:55:29,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:55:29,261 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:55:29,263 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2019-10-03 02:55:29,268 INFO L207 CegarAbsIntRunner]: [29], [30], [44], [47], [54], [56], [72], [75], [85], [123], [126], [131], [133], [135], [139], [142], [156], [157], [159], [269], [271], [274], [275], [278], [279], [280], [283], [289], [290], [291], [313], [315], [326], [329], [338], [349], [351], [352], [355], [365], [366], [367], [394], [397], [399], [404], [408], [410], [424], [426], [427], [603], [605], [606], [607], [645], [648], [662], [691], [692], [703], [705], [707], [709], [743], [747], [750], [758], [761], [772], [775], [785], [786], [789], [814], [817], [820], [829], [833], [835], [837], [840], [847], [854], [857], [1118], [1190], [1192], [1194], [1201], [1204], [1205], [1216], [1219], [1220], [1223], [1226], [1257], [1258], [1260], [1262], [1343], [1346], [1352], [1373], [1376], [1390], [1398], [1401], [1410], [1424], [1425], [1599], [1601], [1603], [1605], [1606], [1618], [1619], [1620], [1621], [1636], [1637], [1638], [1639], [1640], [1641], [1642], [1643], [1644], [1646], [1647], [1648], [1649], [1650], [1651], [1654], [1655], [1656], [1657], [1658], [1659], [1660], [1661], [1662], [1663], [1670], [1671], [1680], [1681], [1686], [1687], [1688], [1690], [1691], [1712], [1713], [1728], [1729], [1730], [1731], [1732], [1733], [1734], [1735], [1736], [1737], [1738], [1739], [1740], [1741], [1742], [1744], [1745], [1746], [1747], [1756], [1757], [1758], [1759], [1770], [1771], [1792], [1794], [1795], [1796], [1797], [1802], [1803], [1804], [1805], [1806], [1807], [1808], [1809], [1810], [1811], [1824], [1825], [1826], [1827], [1828], [1829], [1830], [1831], [1832] [2019-10-03 02:55:29,360 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:55:29,361 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:55:29,615 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:55:29,617 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 267 root evaluator evaluations with a maximum evaluation depth of 0. Performed 267 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 374 variables. [2019-10-03 02:55:29,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:29,621 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:55:29,795 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:55:29,795 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:55:29,802 INFO L420 sIntCurrentIteration]: We unified 259 AI predicates to 259 [2019-10-03 02:55:29,803 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:55:29,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:55:29,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-10-03 02:55:29,804 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:29,805 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:29,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:29,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:29,806 INFO L87 Difference]: Start difference. First operand 565 states and 764 transitions. Second operand 2 states. [2019-10-03 02:55:29,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:29,807 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:55:29,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:29,807 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 260 [2019-10-03 02:55:29,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:29,808 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:55:29,808 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:55:29,808 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 259 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 02:55:29,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:55:29,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:55:29,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:55:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:55:29,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 260 [2019-10-03 02:55:29,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:29,810 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:55:29,810 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:55:29,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:55:29,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:55:29 BoogieIcfgContainer [2019-10-03 02:55:29,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:55:29,819 INFO L168 Benchmark]: Toolchain (without parser) took 6768.24 ms. Allocated memory was 139.5 MB in the beginning and 345.5 MB in the end (delta: 206.0 MB). Free memory was 84.5 MB in the beginning and 63.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 227.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:29,820 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:55:29,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1155.41 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 84.3 MB in the beginning and 137.3 MB in the end (delta: -53.0 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:29,822 INFO L168 Benchmark]: Boogie Preprocessor took 158.91 ms. Allocated memory is still 200.3 MB. Free memory was 137.3 MB in the beginning and 128.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:29,823 INFO L168 Benchmark]: RCFGBuilder took 2263.42 ms. Allocated memory was 200.3 MB in the beginning and 268.4 MB in the end (delta: 68.2 MB). Free memory was 128.2 MB in the beginning and 178.3 MB in the end (delta: -50.0 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:29,825 INFO L168 Benchmark]: TraceAbstraction took 3184.47 ms. Allocated memory was 268.4 MB in the beginning and 345.5 MB in the end (delta: 77.1 MB). Free memory was 176.0 MB in the beginning and 63.2 MB in the end (delta: 112.9 MB). Peak memory consumption was 189.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:29,829 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1155.41 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 84.3 MB in the beginning and 137.3 MB in the end (delta: -53.0 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 158.91 ms. Allocated memory is still 200.3 MB. Free memory was 137.3 MB in the beginning and 128.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2263.42 ms. Allocated memory was 200.3 MB in the beginning and 268.4 MB in the end (delta: 68.2 MB). Free memory was 128.2 MB in the beginning and 178.3 MB in the end (delta: -50.0 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3184.47 ms. Allocated memory was 268.4 MB in the beginning and 345.5 MB in the end (delta: 77.1 MB). Free memory was 176.0 MB in the beginning and 63.2 MB in the end (delta: 112.9 MB). Peak memory consumption was 189.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2313]: 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 110 procedures, 744 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2452 SDtfs, 450 SDslu, 1467 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=565occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.9343629343629343 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 856 NumberOfCodeBlocks, 856 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 851 ConstructedInterpolants, 0 QuantifiedInterpolants, 211092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 187/195 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...