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_spec4_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:53:07,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:53:07,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:53:07,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:53:07,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:53:07,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:53:07,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:53:07,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:53:07,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:53:07,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:53:07,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:53:07,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:53:07,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:53:07,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:53:07,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:53:07,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:53:07,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:53:07,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:53:07,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:53:07,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:53:07,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:53:07,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:53:07,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:53:07,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:53:07,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:53:07,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:53:07,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:53:07,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:53:07,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:53:07,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:53:07,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:53:07,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:53:07,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:53:07,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:53:07,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:53:07,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:53:07,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:53:07,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:53:07,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:53:07,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:53:07,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:53:07,375 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 02:53:07,392 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:53:07,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:53:07,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:53:07,393 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:53:07,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:53:07,394 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:53:07,394 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:53:07,394 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:53:07,394 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:53:07,395 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:53:07,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:53:07,396 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:53:07,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:53:07,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:53:07,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:53:07,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:53:07,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:53:07,397 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:53:07,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:53:07,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:53:07,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:53:07,398 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:53:07,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:53:07,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:53:07,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:53:07,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:53:07,399 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:53:07,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:53:07,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:53:07,400 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:53:07,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:53:07,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:53:07,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:53:07,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:53:07,452 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:53:07,453 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product24.cil.c [2019-10-03 02:53:07,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02ab01ac/79ebe9e272b8434087e1d1cb0e1c115d/FLAG9b57c71a3 [2019-10-03 02:53:08,186 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:53:08,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product24.cil.c [2019-10-03 02:53:08,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02ab01ac/79ebe9e272b8434087e1d1cb0e1c115d/FLAG9b57c71a3 [2019-10-03 02:53:08,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02ab01ac/79ebe9e272b8434087e1d1cb0e1c115d [2019-10-03 02:53:08,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:53:08,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:53:08,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:53:08,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:53:08,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:53:08,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:53:08" (1/1) ... [2019-10-03 02:53:08,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39589b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:08, skipping insertion in model container [2019-10-03 02:53:08,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:53:08" (1/1) ... [2019-10-03 02:53:08,426 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:53:08,515 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:53:09,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:53:09,348 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:53:09,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:53:09,532 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:53:09,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:09 WrapperNode [2019-10-03 02:53:09,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:53:09,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:53:09,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:53:09,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:53:09,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:09" (1/1) ... [2019-10-03 02:53:09,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:09" (1/1) ... [2019-10-03 02:53:09,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:09" (1/1) ... [2019-10-03 02:53:09,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:09" (1/1) ... [2019-10-03 02:53:09,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:09" (1/1) ... [2019-10-03 02:53:09,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:09" (1/1) ... [2019-10-03 02:53:09,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:09" (1/1) ... [2019-10-03 02:53:09,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:53:09,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:53:09,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:53:09,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:53:09,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:09" (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 02:53:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:53:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:53:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:53:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:53:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:53:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:53:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:53:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:53:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:53:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:53:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:53:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:53:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:53:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:53:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:53:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:53:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:53:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:53:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:53:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:53:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:53:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:53:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:53:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:53:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:53:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:53:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:53:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:53:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:53:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:53:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:53:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:53:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:53:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:53:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:53:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:53:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:53:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:53:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:53:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:53:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:53:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:53:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:53:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:53:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:53:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:53:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:53:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:53:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:53:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:53:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:53:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:53:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:53:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:53:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:53:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:53:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:53:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:53:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:53:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:53:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:53:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:53:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:53:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:53:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:53:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:53:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:53:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:53:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:53:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:53:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:53:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:53:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:53:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:53:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:53:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:53:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:53:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:53:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:53:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:53:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:53:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:53:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:53:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:53:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:53:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:53:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:53:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-10-03 02:53:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-03 02:53:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:53:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:53:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:53:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:53:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:53:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:53:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:53:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:53:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:53:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-03 02:53:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:53:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:53:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:53:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:53:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:53:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:53:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:53:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:53:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:53:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:53:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:53:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:53:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:53:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:53:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:53:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:53:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:53:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:53:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:53:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:53:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:53:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:53:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:53:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:53:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:53:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:53:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:53:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:53:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:53:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:53:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:53:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:53:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:53:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:53:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:53:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:53:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:53:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:53:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:53:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:53:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:53:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:53:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:53:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:53:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:53:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:53:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:53:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:53:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:53:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:53:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:53:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:53:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:53:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:53:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:53:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:53:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:53:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:53:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:53:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:53:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:53:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:53:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:53:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:53:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:53:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:53:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:53:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:53:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:53:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:53:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:53:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:53:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:53:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:53:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:53:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:53:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:53:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:53:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:53:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:53:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:53:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:53:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:53:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:53:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:53:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:53:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:53:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:53:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:53:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:53:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:53:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:53:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:53:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:53:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:53:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:53:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:53:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:53:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:53:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:53:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:53:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:53:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:53:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:53:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:53:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:53:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:53:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:53:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:53:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:53:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:53:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:53:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:53:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:53:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:53:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:53:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:53:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:53:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:53:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:53:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-10-03 02:53:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:53:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:53:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:53:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:53:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-03 02:53:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:53:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:53:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:53:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:53:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:53:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:53:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:53:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:53:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:53:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:53:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:53:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:53:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-03 02:53:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:53:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:53:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:53:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:53:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:53:12,360 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:53:12,361 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:53:12,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:12 BoogieIcfgContainer [2019-10-03 02:53:12,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:53:12,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:53:12,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:53:12,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:53:12,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:53:08" (1/3) ... [2019-10-03 02:53:12,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e6ad21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:12, skipping insertion in model container [2019-10-03 02:53:12,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:09" (2/3) ... [2019-10-03 02:53:12,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e6ad21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:12, skipping insertion in model container [2019-10-03 02:53:12,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:12" (3/3) ... [2019-10-03 02:53:12,373 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product24.cil.c [2019-10-03 02:53:12,384 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:53:12,398 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:53:12,418 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:53:12,442 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:53:12,443 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:53:12,443 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:53:12,443 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:53:12,443 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:53:12,443 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:53:12,443 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:53:12,443 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:53:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states. [2019-10-03 02:53:12,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-03 02:53:12,498 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:12,500 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:12,502 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:12,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:12,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1143948929, now seen corresponding path program 1 times [2019-10-03 02:53:12,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:12,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:12,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:12,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:12,574 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:13,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:13,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:53:13,216 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:13,223 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:13,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:13,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:13,242 INFO L87 Difference]: Start difference. First operand 526 states. Second operand 2 states. [2019-10-03 02:53:13,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:13,308 INFO L93 Difference]: Finished difference Result 512 states and 674 transitions. [2019-10-03 02:53:13,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:13,312 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 148 [2019-10-03 02:53:13,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:13,341 INFO L225 Difference]: With dead ends: 512 [2019-10-03 02:53:13,341 INFO L226 Difference]: Without dead ends: 503 [2019-10-03 02:53:13,343 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 02:53:13,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2019-10-03 02:53:13,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2019-10-03 02:53:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2019-10-03 02:53:13,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 663 transitions. [2019-10-03 02:53:13,437 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 663 transitions. Word has length 148 [2019-10-03 02:53:13,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:13,439 INFO L475 AbstractCegarLoop]: Abstraction has 503 states and 663 transitions. [2019-10-03 02:53:13,439 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:13,440 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 663 transitions. [2019-10-03 02:53:13,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-03 02:53:13,447 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:13,447 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:13,447 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:13,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:13,448 INFO L82 PathProgramCache]: Analyzing trace with hash 400393156, now seen corresponding path program 1 times [2019-10-03 02:53:13,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:13,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:13,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:13,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:13,454 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:13,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:13,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:13,792 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:13,795 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:13,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:13,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:13,796 INFO L87 Difference]: Start difference. First operand 503 states and 663 transitions. Second operand 3 states. [2019-10-03 02:53:13,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:13,865 INFO L93 Difference]: Finished difference Result 506 states and 666 transitions. [2019-10-03 02:53:13,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:13,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-03 02:53:13,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:13,877 INFO L225 Difference]: With dead ends: 506 [2019-10-03 02:53:13,877 INFO L226 Difference]: Without dead ends: 506 [2019-10-03 02:53:13,878 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 02:53:13,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2019-10-03 02:53:13,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 505. [2019-10-03 02:53:13,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2019-10-03 02:53:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 665 transitions. [2019-10-03 02:53:13,933 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 665 transitions. Word has length 149 [2019-10-03 02:53:13,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:13,934 INFO L475 AbstractCegarLoop]: Abstraction has 505 states and 665 transitions. [2019-10-03 02:53:13,934 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:13,934 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 665 transitions. [2019-10-03 02:53:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-03 02:53:13,941 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:13,941 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:13,942 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:13,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:13,942 INFO L82 PathProgramCache]: Analyzing trace with hash 801384450, now seen corresponding path program 1 times [2019-10-03 02:53:13,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:13,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:13,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:13,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:13,948 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:14,142 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:14,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:14,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:14,143 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:14,145 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:14,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:14,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:14,149 INFO L87 Difference]: Start difference. First operand 505 states and 665 transitions. Second operand 3 states. [2019-10-03 02:53:14,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:14,188 INFO L93 Difference]: Finished difference Result 548 states and 738 transitions. [2019-10-03 02:53:14,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:14,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-03 02:53:14,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:14,200 INFO L225 Difference]: With dead ends: 548 [2019-10-03 02:53:14,200 INFO L226 Difference]: Without dead ends: 548 [2019-10-03 02:53:14,200 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 02:53:14,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2019-10-03 02:53:14,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 547. [2019-10-03 02:53:14,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2019-10-03 02:53:14,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 737 transitions. [2019-10-03 02:53:14,238 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 737 transitions. Word has length 161 [2019-10-03 02:53:14,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:14,239 INFO L475 AbstractCegarLoop]: Abstraction has 547 states and 737 transitions. [2019-10-03 02:53:14,239 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 737 transitions. [2019-10-03 02:53:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-03 02:53:14,245 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:14,245 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:14,245 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:14,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:14,246 INFO L82 PathProgramCache]: Analyzing trace with hash 710621825, now seen corresponding path program 1 times [2019-10-03 02:53:14,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:14,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:14,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:14,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:14,251 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:14,471 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:14,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:14,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:14,472 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:14,473 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:14,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:14,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:14,474 INFO L87 Difference]: Start difference. First operand 547 states and 737 transitions. Second operand 3 states. [2019-10-03 02:53:14,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:14,518 INFO L93 Difference]: Finished difference Result 629 states and 876 transitions. [2019-10-03 02:53:14,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:14,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-03 02:53:14,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:14,528 INFO L225 Difference]: With dead ends: 629 [2019-10-03 02:53:14,528 INFO L226 Difference]: Without dead ends: 629 [2019-10-03 02:53:14,529 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 02:53:14,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2019-10-03 02:53:14,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 628. [2019-10-03 02:53:14,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-10-03 02:53:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 875 transitions. [2019-10-03 02:53:14,573 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 875 transitions. Word has length 162 [2019-10-03 02:53:14,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:14,574 INFO L475 AbstractCegarLoop]: Abstraction has 628 states and 875 transitions. [2019-10-03 02:53:14,574 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 875 transitions. [2019-10-03 02:53:14,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-03 02:53:14,583 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:14,584 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:14,586 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:14,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:14,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1652131102, now seen corresponding path program 1 times [2019-10-03 02:53:14,587 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:14,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:14,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:14,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:14,593 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:53:14,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:14,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:53:14,912 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:14,913 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:53:14,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:53:14,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:53:14,914 INFO L87 Difference]: Start difference. First operand 628 states and 875 transitions. Second operand 7 states. [2019-10-03 02:53:18,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:18,510 INFO L93 Difference]: Finished difference Result 893 states and 1210 transitions. [2019-10-03 02:53:18,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 02:53:18,511 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 165 [2019-10-03 02:53:18,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:18,517 INFO L225 Difference]: With dead ends: 893 [2019-10-03 02:53:18,517 INFO L226 Difference]: Without dead ends: 891 [2019-10-03 02:53:18,518 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:53:18,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2019-10-03 02:53:18,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 882. [2019-10-03 02:53:18,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2019-10-03 02:53:18,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1198 transitions. [2019-10-03 02:53:18,550 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1198 transitions. Word has length 165 [2019-10-03 02:53:18,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:18,551 INFO L475 AbstractCegarLoop]: Abstraction has 882 states and 1198 transitions. [2019-10-03 02:53:18,551 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:53:18,551 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1198 transitions. [2019-10-03 02:53:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-03 02:53:18,555 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:18,555 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:18,555 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:18,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:18,556 INFO L82 PathProgramCache]: Analyzing trace with hash -179891340, now seen corresponding path program 1 times [2019-10-03 02:53:18,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:18,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:18,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:18,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:18,560 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:53:18,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:18,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-03 02:53:18,827 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:18,828 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-03 02:53:18,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-03 02:53:18,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-10-03 02:53:18,828 INFO L87 Difference]: Start difference. First operand 882 states and 1198 transitions. Second operand 16 states. [2019-10-03 02:53:19,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:19,179 INFO L93 Difference]: Finished difference Result 940 states and 1273 transitions. [2019-10-03 02:53:19,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-03 02:53:19,179 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 166 [2019-10-03 02:53:19,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:19,186 INFO L225 Difference]: With dead ends: 940 [2019-10-03 02:53:19,186 INFO L226 Difference]: Without dead ends: 914 [2019-10-03 02:53:19,187 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2019-10-03 02:53:19,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2019-10-03 02:53:19,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 910. [2019-10-03 02:53:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2019-10-03 02:53:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1235 transitions. [2019-10-03 02:53:19,224 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1235 transitions. Word has length 166 [2019-10-03 02:53:19,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:19,224 INFO L475 AbstractCegarLoop]: Abstraction has 910 states and 1235 transitions. [2019-10-03 02:53:19,225 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-03 02:53:19,225 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1235 transitions. [2019-10-03 02:53:19,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-03 02:53:19,229 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:19,229 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:19,229 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:19,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:19,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1824277491, now seen corresponding path program 1 times [2019-10-03 02:53:19,230 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:19,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:19,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:19,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:19,234 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:19,486 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:53:19,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:19,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:53:19,487 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:19,487 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:53:19,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:53:19,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:53:19,489 INFO L87 Difference]: Start difference. First operand 910 states and 1235 transitions. Second operand 8 states. [2019-10-03 02:53:20,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:20,804 INFO L93 Difference]: Finished difference Result 1476 states and 1962 transitions. [2019-10-03 02:53:20,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-03 02:53:20,805 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2019-10-03 02:53:20,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:20,819 INFO L225 Difference]: With dead ends: 1476 [2019-10-03 02:53:20,819 INFO L226 Difference]: Without dead ends: 1474 [2019-10-03 02:53:20,819 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:53:20,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2019-10-03 02:53:20,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1461. [2019-10-03 02:53:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1461 states. [2019-10-03 02:53:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 1946 transitions. [2019-10-03 02:53:20,889 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 1946 transitions. Word has length 175 [2019-10-03 02:53:20,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:20,892 INFO L475 AbstractCegarLoop]: Abstraction has 1461 states and 1946 transitions. [2019-10-03 02:53:20,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:53:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1946 transitions. [2019-10-03 02:53:20,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-03 02:53:20,896 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:20,896 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:20,897 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:20,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:20,897 INFO L82 PathProgramCache]: Analyzing trace with hash -819623501, now seen corresponding path program 1 times [2019-10-03 02:53:20,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:20,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:20,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:20,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:20,902 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:21,258 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-03 02:53:21,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:21,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-10-03 02:53:21,259 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:21,260 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-03 02:53:21,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-03 02:53:21,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2019-10-03 02:53:21,261 INFO L87 Difference]: Start difference. First operand 1461 states and 1946 transitions. Second operand 15 states. [2019-10-03 02:53:21,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:21,920 INFO L93 Difference]: Finished difference Result 1460 states and 1942 transitions. [2019-10-03 02:53:21,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-03 02:53:21,920 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 176 [2019-10-03 02:53:21,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:21,930 INFO L225 Difference]: With dead ends: 1460 [2019-10-03 02:53:21,930 INFO L226 Difference]: Without dead ends: 1460 [2019-10-03 02:53:21,931 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2019-10-03 02:53:21,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2019-10-03 02:53:21,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1459. [2019-10-03 02:53:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1459 states. [2019-10-03 02:53:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 1941 transitions. [2019-10-03 02:53:21,980 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 1941 transitions. Word has length 176 [2019-10-03 02:53:21,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:21,981 INFO L475 AbstractCegarLoop]: Abstraction has 1459 states and 1941 transitions. [2019-10-03 02:53:21,981 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-03 02:53:21,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1941 transitions. [2019-10-03 02:53:21,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-03 02:53:21,987 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:21,987 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:21,987 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:21,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:21,988 INFO L82 PathProgramCache]: Analyzing trace with hash -429039633, now seen corresponding path program 2 times [2019-10-03 02:53:21,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:21,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:21,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:21,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:21,993 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-03 02:53:22,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:22,234 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:53:22,235 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-10-03 02:53:22,237 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-10-03 02:53:22,237 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:22,237 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-03 02:53:22,400 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-03 02:53:22,400 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-10-03 02:53:22,713 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2019-10-03 02:53:22,714 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-03 02:53:22,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 1962 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-03 02:53:22,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-03 02:53:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-03 02:53:23,004 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-03 02:53:23,643 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-03 02:53:23,652 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:53:23,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [11] total 23 [2019-10-03 02:53:23,652 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:23,653 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:53:23,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:53:23,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2019-10-03 02:53:23,654 INFO L87 Difference]: Start difference. First operand 1459 states and 1941 transitions. Second operand 8 states. [2019-10-03 02:53:24,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:24,573 INFO L93 Difference]: Finished difference Result 2876 states and 3852 transitions. [2019-10-03 02:53:24,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-03 02:53:24,573 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2019-10-03 02:53:24,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:24,597 INFO L225 Difference]: With dead ends: 2876 [2019-10-03 02:53:24,597 INFO L226 Difference]: Without dead ends: 2874 [2019-10-03 02:53:24,598 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 341 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=714, Unknown=0, NotChecked=0, Total=812 [2019-10-03 02:53:24,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2019-10-03 02:53:24,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2865. [2019-10-03 02:53:24,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2865 states. [2019-10-03 02:53:24,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2865 states and 3841 transitions. [2019-10-03 02:53:24,709 INFO L78 Accepts]: Start accepts. Automaton has 2865 states and 3841 transitions. Word has length 176 [2019-10-03 02:53:24,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:24,709 INFO L475 AbstractCegarLoop]: Abstraction has 2865 states and 3841 transitions. [2019-10-03 02:53:24,709 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:53:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2865 states and 3841 transitions. [2019-10-03 02:53:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-03 02:53:24,717 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:24,717 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-10-03 02:53:24,718 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:24,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:24,718 INFO L82 PathProgramCache]: Analyzing trace with hash 2011209086, now seen corresponding path program 1 times [2019-10-03 02:53:24,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:24,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:24,723 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-03 02:53:24,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:24,723 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:24,990 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-03 02:53:24,990 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:24,991 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:53:24,992 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2019-10-03 02:53:24,995 INFO L207 CegarAbsIntRunner]: [72], [75], [76], [79], [85], [86], [89], [98], [133], [162], [165], [166], [167], [169], [279], [282], [283], [327], [329], [343], [346], [355], [358], [360], [361], [364], [374], [441], [630], [632], [633], [634], [672], [675], [689], [718], [719], [720], [723], [729], [730], [747], [749], [753], [756], [780], [784], [787], [795], [798], [832], [841], [845], [847], [849], [852], [859], [866], [869], [871], [1007], [1010], [1024], [1081], [1083], [1086], [1088], [1091], [1151], [1223], [1227], [1238], [1241], [1280], [1282], [1395], [1398], [1400], [1403], [1412], [1418], [1421], [1430], [1484], [1487], [1496], [1619], [1621], [1623], [1625], [1626], [1667], [1677], [1678], [1679], [1680], [1681], [1682], [1685], [1686], [1687], [1688], [1701], [1702], [1703], [1704], [1705], [1711], [1712], [1731], [1732], [1753], [1754], [1769], [1775], [1776], [1777], [1778], [1779], [1780], [1781], [1782], [1783], [1784], [1785], [1786], [1787], [1788], [1789], [1791], [1792], [1793], [1794], [1815], [1816], [1833], [1835], [1836], [1837], [1838], [1839], [1841], [1842], [1843], [1845], [1846], [1847], [1848], [1849], [1850], [1851], [1863], [1864], [1865], [1866], [1867], [1868], [1869], [1870], [1871] [2019-10-03 02:53:25,055 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:53:25,056 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:53:25,302 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:53:25,304 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 253 root evaluator evaluations with a maximum evaluation depth of 0. Performed 253 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 368 variables. [2019-10-03 02:53:25,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:25,311 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:53:25,433 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:53:25,433 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:53:25,441 INFO L420 sIntCurrentIteration]: We unified 176 AI predicates to 176 [2019-10-03 02:53:25,442 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:53:25,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:53:25,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 11 [2019-10-03 02:53:25,443 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:25,444 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:25,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:25,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:25,446 INFO L87 Difference]: Start difference. First operand 2865 states and 3841 transitions. Second operand 2 states. [2019-10-03 02:53:25,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:25,446 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:53:25,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:25,447 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 177 [2019-10-03 02:53:25,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:25,447 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:53:25,447 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:53:25,448 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 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 02:53:25,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:53:25,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:53:25,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:53:25,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:53:25,449 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2019-10-03 02:53:25,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:25,449 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:53:25,449 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:25,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:53:25,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:53:25,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:53:25 BoogieIcfgContainer [2019-10-03 02:53:25,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:53:25,459 INFO L168 Benchmark]: Toolchain (without parser) took 17047.62 ms. Allocated memory was 140.0 MB in the beginning and 481.3 MB in the end (delta: 341.3 MB). Free memory was 84.3 MB in the beginning and 99.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 326.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:25,459 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:53:25,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1122.99 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 83.9 MB in the beginning and 136.5 MB in the end (delta: -52.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:25,462 INFO L168 Benchmark]: Boogie Preprocessor took 229.11 ms. Allocated memory is still 201.9 MB. Free memory was 136.5 MB in the beginning and 127.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:25,469 INFO L168 Benchmark]: RCFGBuilder took 2599.78 ms. Allocated memory was 201.9 MB in the beginning and 265.8 MB in the end (delta: 64.0 MB). Free memory was 127.5 MB in the beginning and 171.2 MB in the end (delta: -43.7 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:25,470 INFO L168 Benchmark]: TraceAbstraction took 13091.14 ms. Allocated memory was 265.8 MB in the beginning and 481.3 MB in the end (delta: 215.5 MB). Free memory was 171.2 MB in the beginning and 99.5 MB in the end (delta: 71.7 MB). Peak memory consumption was 287.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:25,482 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 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1122.99 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 83.9 MB in the beginning and 136.5 MB in the end (delta: -52.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 229.11 ms. Allocated memory is still 201.9 MB. Free memory was 136.5 MB in the beginning and 127.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2599.78 ms. Allocated memory was 201.9 MB in the beginning and 265.8 MB in the end (delta: 64.0 MB). Free memory was 127.5 MB in the beginning and 171.2 MB in the end (delta: -43.7 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13091.14 ms. Allocated memory was 265.8 MB in the beginning and 481.3 MB in the end (delta: 215.5 MB). Free memory was 171.2 MB in the beginning and 99.5 MB in the end (delta: 71.7 MB). Peak memory consumption was 287.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1419]: 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 114 procedures, 768 locations, 1 error locations. SAFE Result, 13.0s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 7.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6257 SDtfs, 2563 SDslu, 27387 SDs, 0 SdLazy, 4137 SolverSat, 480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 641 GetRequests, 542 SyntacticMatches, 2 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2865occurred in iteration=9, 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, 2.164772727272727 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 39 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1831 NumberOfCodeBlocks, 1731 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1995 ConstructedInterpolants, 0 QuantifiedInterpolants, 480174 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1962 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 398/404 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...