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_spec7_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:54:28,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:54:28,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:54:28,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:54:28,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:54:28,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:54:28,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:54:28,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:54:28,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:54:28,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:54:28,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:54:28,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:54:28,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:54:28,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:54:28,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:54:29,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:54:29,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:54:29,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:54:29,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:54:29,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:54:29,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:54:29,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:54:29,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:54:29,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:54:29,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:54:29,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:54:29,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:54:29,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:54:29,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:54:29,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:54:29,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:54:29,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:54:29,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:54:29,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:54:29,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:54:29,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:54:29,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:54:29,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:54:29,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:54:29,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:54:29,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:54:29,030 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 02:54:29,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:54:29,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:54:29,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:54:29,062 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:54:29,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:54:29,064 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:54:29,064 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:54:29,064 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:54:29,064 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:54:29,064 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:54:29,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:54:29,065 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:54:29,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:54:29,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:54:29,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:54:29,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:54:29,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:54:29,067 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:54:29,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:54:29,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:54:29,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:54:29,069 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:54:29,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:54:29,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:54:29,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:54:29,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:54:29,070 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:54:29,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:54:29,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:54:29,071 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:54:29,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:54:29,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:54:29,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:54:29,147 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:54:29,148 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:54:29,149 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product18.cil.c [2019-10-03 02:54:29,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a676ce05/dda58d1f81fc402f90bedc62602c4b4a/FLAGe5a0da0c4 [2019-10-03 02:54:29,843 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:54:29,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product18.cil.c [2019-10-03 02:54:29,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a676ce05/dda58d1f81fc402f90bedc62602c4b4a/FLAGe5a0da0c4 [2019-10-03 02:54:30,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a676ce05/dda58d1f81fc402f90bedc62602c4b4a [2019-10-03 02:54:30,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:54:30,012 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:54:30,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:54:30,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:54:30,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:54:30,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:54:30" (1/1) ... [2019-10-03 02:54:30,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca28fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:30, skipping insertion in model container [2019-10-03 02:54:30,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:54:30" (1/1) ... [2019-10-03 02:54:30,030 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:54:30,109 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:54:30,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:54:30,907 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:54:31,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:54:31,174 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:54:31,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:31 WrapperNode [2019-10-03 02:54:31,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:54:31,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:54:31,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:54:31,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:54:31,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:31" (1/1) ... [2019-10-03 02:54:31,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:31" (1/1) ... [2019-10-03 02:54:31,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:31" (1/1) ... [2019-10-03 02:54:31,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:31" (1/1) ... [2019-10-03 02:54:31,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:31" (1/1) ... [2019-10-03 02:54:31,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:31" (1/1) ... [2019-10-03 02:54:31,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:31" (1/1) ... [2019-10-03 02:54:31,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:54:31,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:54:31,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:54:31,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:54:31,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:31" (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 02:54:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:54:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:54:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:54:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:54:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:54:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:54:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:54:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:54:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:54:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:54:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:54:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:54:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:54:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:54:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:54:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:54:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:54:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:54:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:54:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:54:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:54:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:54:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:54:31,463 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:54:31,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:54:31,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:54:31,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:54:31,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:54:31,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:54:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:54:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:54:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:54:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:54:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:54:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:54:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:54:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:54:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:54:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:54:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:54:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:54:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:54:31,468 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:54:31,468 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:54:31,468 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:54:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:54:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:54:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:54:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:54:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:54:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:54:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:54:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:54:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:54:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:54:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:54:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:54:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:54:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:54:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:54:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:54:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:54:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:54:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:54:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:54:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:54:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:54:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:54:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:54:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:54:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:54:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:54:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:54:31,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:54:31,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:54:31,475 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:54:31,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:54:31,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:54:31,476 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:54:31,476 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:54:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:54:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:54:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:54:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:54:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:54:31,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-03 02:54:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-03 02:54:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:54:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:54:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:54:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:54:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:54:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:54:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:54:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:54:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-03 02:54:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:54:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:54:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:54:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:54:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:54:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:54:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:54:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:54:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:54:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:54:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:54:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:54:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:54:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:54:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-03 02:54:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:54:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:54:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:54:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:54:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:54:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:54:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:54:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:54:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:54:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:54:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:54:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:54:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:54:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:54:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:54:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:54:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:54:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:54:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:54:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:54:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:54:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:54:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:54:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:54:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:54:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:54:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:54:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:54:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:54:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:54:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:54:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:54:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:54:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:54:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:54:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:54:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:54:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:54:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:54:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:54:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:54:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:54:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:54:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:54:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:54:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:54:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:54:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:54:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:54:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:54:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:54:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:54:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:54:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:54:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:54:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:54:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:54:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:54:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:54:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:54:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:54:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:54:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:54:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:54:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:54:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:54:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:54:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:54:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:54:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:54:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:54:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:54:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:54:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:54:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:54:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:54:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:54:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:54:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:54:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:54:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:54:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:54:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:54:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:54:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:54:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:54:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:54:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:54:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:54:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:54:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:54:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:54:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:54:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:54:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:54:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:54:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:54:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:54:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:54:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:54:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:54:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:54:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:54:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:54:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:54:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:54:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:54:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:54:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-03 02:54:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-03 02:54:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:54:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:54:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:54:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:54:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:54:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:54:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:54:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:54:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:54:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:54:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-03 02:54:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:54:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-03 02:54:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:54:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:54:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:54:33,677 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:54:33,677 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:54:33,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:54:33 BoogieIcfgContainer [2019-10-03 02:54:33,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:54:33,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:54:33,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:54:33,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:54:33,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:54:30" (1/3) ... [2019-10-03 02:54:33,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d17951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:54:33, skipping insertion in model container [2019-10-03 02:54:33,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:31" (2/3) ... [2019-10-03 02:54:33,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d17951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:54:33, skipping insertion in model container [2019-10-03 02:54:33,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:54:33" (3/3) ... [2019-10-03 02:54:33,688 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product18.cil.c [2019-10-03 02:54:33,700 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:54:33,714 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:54:33,731 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:54:33,766 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:54:33,766 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:54:33,767 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:54:33,767 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:54:33,767 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:54:33,767 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:54:33,767 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:54:33,767 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:54:33,806 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states. [2019-10-03 02:54:33,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-03 02:54:33,847 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:33,848 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:54:33,852 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:33,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:33,862 INFO L82 PathProgramCache]: Analyzing trace with hash -416032173, now seen corresponding path program 1 times [2019-10-03 02:54:33,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:33,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:33,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:33,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:33,935 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:34,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:34,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:54:34,446 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:34,454 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:54:34,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:54:34,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:54:34,472 INFO L87 Difference]: Start difference. First operand 478 states. Second operand 2 states. [2019-10-03 02:54:34,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:34,521 INFO L93 Difference]: Finished difference Result 442 states and 584 transitions. [2019-10-03 02:54:34,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:54:34,523 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 150 [2019-10-03 02:54:34,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:34,555 INFO L225 Difference]: With dead ends: 442 [2019-10-03 02:54:34,555 INFO L226 Difference]: Without dead ends: 433 [2019-10-03 02:54:34,560 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 02:54:34,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-10-03 02:54:34,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2019-10-03 02:54:34,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2019-10-03 02:54:34,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 573 transitions. [2019-10-03 02:54:34,679 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 573 transitions. Word has length 150 [2019-10-03 02:54:34,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:34,682 INFO L475 AbstractCegarLoop]: Abstraction has 433 states and 573 transitions. [2019-10-03 02:54:34,682 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:54:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 573 transitions. [2019-10-03 02:54:34,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-03 02:54:34,693 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:34,693 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:54:34,694 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:34,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:34,697 INFO L82 PathProgramCache]: Analyzing trace with hash -280393341, now seen corresponding path program 1 times [2019-10-03 02:54:34,697 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:34,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:34,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:34,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:34,703 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:34,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:34,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:54:34,977 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:34,979 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:54:34,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:54:34,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:54:34,980 INFO L87 Difference]: Start difference. First operand 433 states and 573 transitions. Second operand 3 states. [2019-10-03 02:54:35,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:35,018 INFO L93 Difference]: Finished difference Result 436 states and 576 transitions. [2019-10-03 02:54:35,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:54:35,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2019-10-03 02:54:35,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:35,023 INFO L225 Difference]: With dead ends: 436 [2019-10-03 02:54:35,023 INFO L226 Difference]: Without dead ends: 436 [2019-10-03 02:54:35,024 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 02:54:35,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2019-10-03 02:54:35,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 435. [2019-10-03 02:54:35,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-10-03 02:54:35,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 575 transitions. [2019-10-03 02:54:35,059 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 575 transitions. Word has length 151 [2019-10-03 02:54:35,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:35,062 INFO L475 AbstractCegarLoop]: Abstraction has 435 states and 575 transitions. [2019-10-03 02:54:35,062 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:54:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 575 transitions. [2019-10-03 02:54:35,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-03 02:54:35,066 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:35,066 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:54:35,066 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:35,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:35,067 INFO L82 PathProgramCache]: Analyzing trace with hash 666657427, now seen corresponding path program 1 times [2019-10-03 02:54:35,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:35,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:35,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:35,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:35,072 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:35,304 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:35,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:35,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:54:35,306 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:35,307 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:54:35,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:54:35,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:54:35,311 INFO L87 Difference]: Start difference. First operand 435 states and 575 transitions. Second operand 3 states. [2019-10-03 02:54:35,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:35,349 INFO L93 Difference]: Finished difference Result 476 states and 645 transitions. [2019-10-03 02:54:35,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:54:35,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-03 02:54:35,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:35,353 INFO L225 Difference]: With dead ends: 476 [2019-10-03 02:54:35,353 INFO L226 Difference]: Without dead ends: 476 [2019-10-03 02:54:35,353 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 02:54:35,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2019-10-03 02:54:35,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 475. [2019-10-03 02:54:35,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2019-10-03 02:54:35,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 644 transitions. [2019-10-03 02:54:35,370 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 644 transitions. Word has length 161 [2019-10-03 02:54:35,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:35,371 INFO L475 AbstractCegarLoop]: Abstraction has 475 states and 644 transitions. [2019-10-03 02:54:35,371 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:54:35,371 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 644 transitions. [2019-10-03 02:54:35,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-03 02:54:35,375 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:35,375 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:54:35,375 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:35,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:35,376 INFO L82 PathProgramCache]: Analyzing trace with hash -212387997, now seen corresponding path program 1 times [2019-10-03 02:54:35,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:35,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:35,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:35,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:35,380 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:35,658 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:35,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:35,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:54:35,659 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:35,661 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:54:35,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:54:35,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:54:35,662 INFO L87 Difference]: Start difference. First operand 475 states and 644 transitions. Second operand 3 states. [2019-10-03 02:54:35,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:35,695 INFO L93 Difference]: Finished difference Result 553 states and 777 transitions. [2019-10-03 02:54:35,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:54:35,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-03 02:54:35,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:35,711 INFO L225 Difference]: With dead ends: 553 [2019-10-03 02:54:35,711 INFO L226 Difference]: Without dead ends: 553 [2019-10-03 02:54:35,712 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 02:54:35,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2019-10-03 02:54:35,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 552. [2019-10-03 02:54:35,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2019-10-03 02:54:35,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 776 transitions. [2019-10-03 02:54:35,745 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 776 transitions. Word has length 162 [2019-10-03 02:54:35,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:35,746 INFO L475 AbstractCegarLoop]: Abstraction has 552 states and 776 transitions. [2019-10-03 02:54:35,746 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:54:35,747 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 776 transitions. [2019-10-03 02:54:35,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-03 02:54:35,757 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:35,758 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:54:35,758 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:35,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:35,759 INFO L82 PathProgramCache]: Analyzing trace with hash -729540045, now seen corresponding path program 1 times [2019-10-03 02:54:35,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:35,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:35,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:35,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:35,767 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:35,975 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:35,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:35,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:54:35,976 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:35,976 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:54:35,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:54:35,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:54:35,977 INFO L87 Difference]: Start difference. First operand 552 states and 776 transitions. Second operand 3 states. [2019-10-03 02:54:36,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:36,004 INFO L93 Difference]: Finished difference Result 701 states and 1029 transitions. [2019-10-03 02:54:36,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:54:36,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-10-03 02:54:36,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:36,010 INFO L225 Difference]: With dead ends: 701 [2019-10-03 02:54:36,010 INFO L226 Difference]: Without dead ends: 701 [2019-10-03 02:54:36,011 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 02:54:36,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2019-10-03 02:54:36,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 700. [2019-10-03 02:54:36,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2019-10-03 02:54:36,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1028 transitions. [2019-10-03 02:54:36,047 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1028 transitions. Word has length 163 [2019-10-03 02:54:36,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:36,047 INFO L475 AbstractCegarLoop]: Abstraction has 700 states and 1028 transitions. [2019-10-03 02:54:36,047 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:54:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1028 transitions. [2019-10-03 02:54:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-03 02:54:36,052 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:36,052 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:54:36,053 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:36,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:36,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1419526083, now seen corresponding path program 1 times [2019-10-03 02:54:36,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:36,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:36,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:36,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:36,058 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:36,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:36,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:54:36,188 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:36,190 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:54:36,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:54:36,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:54:36,191 INFO L87 Difference]: Start difference. First operand 700 states and 1028 transitions. Second operand 3 states. [2019-10-03 02:54:36,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:36,217 INFO L93 Difference]: Finished difference Result 985 states and 1509 transitions. [2019-10-03 02:54:36,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:54:36,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2019-10-03 02:54:36,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:36,226 INFO L225 Difference]: With dead ends: 985 [2019-10-03 02:54:36,227 INFO L226 Difference]: Without dead ends: 985 [2019-10-03 02:54:36,227 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 02:54:36,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2019-10-03 02:54:36,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 984. [2019-10-03 02:54:36,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2019-10-03 02:54:36,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1508 transitions. [2019-10-03 02:54:36,266 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1508 transitions. Word has length 164 [2019-10-03 02:54:36,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:36,269 INFO L475 AbstractCegarLoop]: Abstraction has 984 states and 1508 transitions. [2019-10-03 02:54:36,269 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:54:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1508 transitions. [2019-10-03 02:54:36,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-03 02:54:36,278 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:36,278 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:54:36,279 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:36,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:36,280 INFO L82 PathProgramCache]: Analyzing trace with hash -2032086573, now seen corresponding path program 1 times [2019-10-03 02:54:36,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:36,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:36,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:36,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:36,341 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:36,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:36,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:54:36,541 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:36,542 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:54:36,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:54:36,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:54:36,543 INFO L87 Difference]: Start difference. First operand 984 states and 1508 transitions. Second operand 3 states. [2019-10-03 02:54:36,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:36,582 INFO L93 Difference]: Finished difference Result 1529 states and 2421 transitions. [2019-10-03 02:54:36,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:54:36,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-03 02:54:36,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:36,594 INFO L225 Difference]: With dead ends: 1529 [2019-10-03 02:54:36,594 INFO L226 Difference]: Without dead ends: 1529 [2019-10-03 02:54:36,594 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 02:54:36,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2019-10-03 02:54:36,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1528. [2019-10-03 02:54:36,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1528 states. [2019-10-03 02:54:36,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 2420 transitions. [2019-10-03 02:54:36,668 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 2420 transitions. Word has length 165 [2019-10-03 02:54:36,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:36,668 INFO L475 AbstractCegarLoop]: Abstraction has 1528 states and 2420 transitions. [2019-10-03 02:54:36,668 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:54:36,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2420 transitions. [2019-10-03 02:54:36,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-03 02:54:36,675 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:36,676 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:54:36,676 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:36,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:36,677 INFO L82 PathProgramCache]: Analyzing trace with hash 319322736, now seen corresponding path program 1 times [2019-10-03 02:54:36,677 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:36,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:36,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:36,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:36,681 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:54:36,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:36,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:54:36,926 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:36,927 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:54:36,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:54:36,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:54:36,928 INFO L87 Difference]: Start difference. First operand 1528 states and 2420 transitions. Second operand 8 states. [2019-10-03 02:54:36,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:36,986 INFO L93 Difference]: Finished difference Result 1525 states and 2417 transitions. [2019-10-03 02:54:36,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:54:36,987 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 167 [2019-10-03 02:54:36,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:36,987 INFO L225 Difference]: With dead ends: 1525 [2019-10-03 02:54:36,988 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:54:36,988 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:54:36,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:54:36,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:54:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:54:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:54:36,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2019-10-03 02:54:36,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:36,989 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:54:36,989 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:54:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:54:36,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:54:36,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:54:36 BoogieIcfgContainer [2019-10-03 02:54:36,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:54:37,000 INFO L168 Benchmark]: Toolchain (without parser) took 6985.71 ms. Allocated memory was 141.0 MB in the beginning and 328.2 MB in the end (delta: 187.2 MB). Free memory was 86.4 MB in the beginning and 104.5 MB in the end (delta: -18.0 MB). Peak memory consumption was 169.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:37,002 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:54:37,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1161.81 ms. Allocated memory was 141.0 MB in the beginning and 202.9 MB in the end (delta: 61.9 MB). Free memory was 86.2 MB in the beginning and 140.1 MB in the end (delta: -53.9 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:37,010 INFO L168 Benchmark]: Boogie Preprocessor took 191.85 ms. Allocated memory is still 202.9 MB. Free memory was 140.1 MB in the beginning and 131.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:37,011 INFO L168 Benchmark]: RCFGBuilder took 2311.44 ms. Allocated memory was 202.9 MB in the beginning and 261.6 MB in the end (delta: 58.7 MB). Free memory was 131.2 MB in the beginning and 171.9 MB in the end (delta: -40.7 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:37,018 INFO L168 Benchmark]: TraceAbstraction took 3315.64 ms. Allocated memory was 261.6 MB in the beginning and 328.2 MB in the end (delta: 66.6 MB). Free memory was 171.9 MB in the beginning and 104.5 MB in the end (delta: 67.4 MB). Peak memory consumption was 134.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:37,024 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1161.81 ms. Allocated memory was 141.0 MB in the beginning and 202.9 MB in the end (delta: 61.9 MB). Free memory was 86.2 MB in the beginning and 140.1 MB in the end (delta: -53.9 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.85 ms. Allocated memory is still 202.9 MB. Free memory was 140.1 MB in the beginning and 131.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2311.44 ms. Allocated memory was 202.9 MB in the beginning and 261.6 MB in the end (delta: 58.7 MB). Free memory was 131.2 MB in the beginning and 171.9 MB in the end (delta: -40.7 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3315.64 ms. Allocated memory was 261.6 MB in the beginning and 328.2 MB in the end (delta: 66.6 MB). Free memory was 171.9 MB in the beginning and 104.5 MB in the end (delta: 67.4 MB). Peak memory consumption was 134.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1968]: 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 111 procedures, 745 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4631 SDtfs, 244 SDslu, 6785 SDs, 0 SdLazy, 46 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1528occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 6 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1283 NumberOfCodeBlocks, 1283 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1275 ConstructedInterpolants, 0 QuantifiedInterpolants, 220075 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 236/236 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...