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_spec0_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:38:41,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:38:41,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:38:41,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:38:41,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:38:41,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:38:41,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:38:41,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:38:41,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:38:41,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:38:41,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:38:41,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:38:41,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:38:41,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:38:41,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:38:41,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:38:41,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:38:41,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:38:41,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:38:41,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:38:41,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:38:41,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:38:41,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:38:41,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:38:42,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:38:42,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:38:42,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:38:42,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:38:42,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:38:42,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:38:42,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:38:42,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:38:42,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:38:42,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:38:42,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:38:42,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:38:42,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:38:42,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:38:42,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:38:42,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:38:42,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:38:42,018 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 [2019-09-10 02:38:42,051 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:38:42,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:38:42,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:38:42,052 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:38:42,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:38:42,056 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:38:42,056 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:38:42,056 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:38:42,057 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:38:42,057 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:38:42,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:38:42,058 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:38:42,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:38:42,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:38:42,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:38:42,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:38:42,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:38:42,059 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:38:42,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:38:42,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:38:42,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:38:42,064 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:38:42,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:38:42,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:38:42,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:38:42,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:38:42,065 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:38:42,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:38:42,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:38:42,066 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:38:42,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:38:42,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:38:42,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:38:42,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:38:42,150 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:38:42,151 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product38.cil.c [2019-09-10 02:38:42,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/322b3bcc2/925c240093544a6f9135ddbe8567a18e/FLAG4a29c73d1 [2019-09-10 02:38:42,803 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:38:42,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product38.cil.c [2019-09-10 02:38:42,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/322b3bcc2/925c240093544a6f9135ddbe8567a18e/FLAG4a29c73d1 [2019-09-10 02:38:43,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/322b3bcc2/925c240093544a6f9135ddbe8567a18e [2019-09-10 02:38:43,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:38:43,024 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:38:43,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:38:43,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:38:43,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:38:43,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:38:43" (1/1) ... [2019-09-10 02:38:43,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af350f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:43, skipping insertion in model container [2019-09-10 02:38:43,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:38:43" (1/1) ... [2019-09-10 02:38:43,041 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:38:43,136 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:38:43,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:38:43,960 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:38:44,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:38:44,198 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:38:44,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:44 WrapperNode [2019-09-10 02:38:44,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:38:44,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:38:44,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:38:44,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:38:44,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:44" (1/1) ... [2019-09-10 02:38:44,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:44" (1/1) ... [2019-09-10 02:38:44,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:44" (1/1) ... [2019-09-10 02:38:44,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:44" (1/1) ... [2019-09-10 02:38:44,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:44" (1/1) ... [2019-09-10 02:38:44,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:44" (1/1) ... [2019-09-10 02:38:44,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:44" (1/1) ... [2019-09-10 02:38:44,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:38:44,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:38:44,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:38:44,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:38:44,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:44" (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 [2019-09-10 02:38:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:38:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:38:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:38:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:38:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:38:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:38:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:38:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:38:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:38:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:38:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:38:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:38:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:38:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:38:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:38:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:38:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:38:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:38:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:38:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:38:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:38:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:38:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:38:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:38:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:38:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:38:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:38:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:38:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:38:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:38:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:38:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:38:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:38:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:38:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:38:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:38:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:38:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:38:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:38:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:38:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:38:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:38:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:38:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:38:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:38:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:38:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:38:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:38:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:38:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:38:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:38:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:38:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:38:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:38:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:38:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:38:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:38:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:38:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:38:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:38:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:38:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:38:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:38:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:38:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:38:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:38:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:38:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:38:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:38:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:38:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:38:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:38:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:38:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:38:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:38:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:38:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:38:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:38:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:38:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:38:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:38:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:38:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-09-10 02:38:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:38:44,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:38:44,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:38:44,462 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:38:44,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:38:44,462 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:38:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:38:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:38:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-09-10 02:38:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:38:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:38:44,464 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:38:44,464 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:38:44,464 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:38:44,464 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:38:44,464 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:38:44,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:38:44,465 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:38:44,465 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:38:44,465 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:38:44,465 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:38:44,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:38:44,466 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:38:44,466 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:38:44,466 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:38:44,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:38:44,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:38:44,466 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:38:44,466 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:38:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:38:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:38:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:38:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:38:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:38:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:38:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:38:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:38:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:38:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:38:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:38:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:38:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:38:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:38:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:38:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:38:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:38:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:38:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:38:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:38:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:38:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:38:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:38:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:38:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:38:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:38:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:38:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:38:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:38:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:38:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:38:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:38:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:38:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:38:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:38:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:38:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:38:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:38:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:38:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:38:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:38:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:38:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:38:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:38:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:38:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:38:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:38:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:38:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:38:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:38:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:38:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:38:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:38:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:38:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:38:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:38:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:38:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:38:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:38:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:38:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:38:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:38:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:38:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:38:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:38:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:38:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:38:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:38:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:38:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:38:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:38:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:38:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:38:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:38:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:38:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:38:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:38:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:38:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:38:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:38:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:38:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:38:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:38:44,480 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:38:44,480 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:38:44,480 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:38:44,480 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:38:44,480 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:38:44,480 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:38:44,480 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:38:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:38:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:38:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:38:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:38:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:38:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:38:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:38:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:38:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:38:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:38:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-09-10 02:38:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:38:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:38:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:38:44,483 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:38:44,483 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:38:44,483 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:38:44,483 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:38:44,483 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:38:44,483 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:38:44,483 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-09-10 02:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:38:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:38:46,642 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:38:46,642 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:38:46,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:38:46 BoogieIcfgContainer [2019-09-10 02:38:46,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:38:46,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:38:46,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:38:46,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:38:46,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:38:43" (1/3) ... [2019-09-10 02:38:46,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663e2733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:38:46, skipping insertion in model container [2019-09-10 02:38:46,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:44" (2/3) ... [2019-09-10 02:38:46,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663e2733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:38:46, skipping insertion in model container [2019-09-10 02:38:46,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:38:46" (3/3) ... [2019-09-10 02:38:46,655 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product38.cil.c [2019-09-10 02:38:46,666 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:38:46,679 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:38:46,699 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:38:46,732 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:38:46,732 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:38:46,732 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:38:46,732 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:38:46,732 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:38:46,733 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:38:46,733 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:38:46,733 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:38:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states. [2019-09-10 02:38:46,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-09-10 02:38:46,789 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:46,790 INFO L399 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] [2019-09-10 02:38:46,793 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:46,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:46,799 INFO L82 PathProgramCache]: Analyzing trace with hash 396221068, now seen corresponding path program 1 times [2019-09-10 02:38:46,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:46,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:46,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:46,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:46,843 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:38:47,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:47,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:38:47,444 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:47,451 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:38:47,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:38:47,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:38:47,470 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 2 states. [2019-09-10 02:38:47,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:47,531 INFO L93 Difference]: Finished difference Result 459 states and 624 transitions. [2019-09-10 02:38:47,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:38:47,533 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 166 [2019-09-10 02:38:47,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:47,562 INFO L225 Difference]: With dead ends: 459 [2019-09-10 02:38:47,563 INFO L226 Difference]: Without dead ends: 450 [2019-09-10 02:38:47,567 INFO L628 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 [2019-09-10 02:38:47,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2019-09-10 02:38:47,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2019-09-10 02:38:47,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2019-09-10 02:38:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 613 transitions. [2019-09-10 02:38:47,659 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 613 transitions. Word has length 166 [2019-09-10 02:38:47,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:47,662 INFO L475 AbstractCegarLoop]: Abstraction has 450 states and 613 transitions. [2019-09-10 02:38:47,662 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:38:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 613 transitions. [2019-09-10 02:38:47,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-09-10 02:38:47,669 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:47,670 INFO L399 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] [2019-09-10 02:38:47,670 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:47,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:47,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1790187133, now seen corresponding path program 1 times [2019-09-10 02:38:47,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:47,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:47,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:47,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:47,673 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:48,002 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:38:48,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:48,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:38:48,003 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:48,005 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:38:48,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:38:48,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:38:48,006 INFO L87 Difference]: Start difference. First operand 450 states and 613 transitions. Second operand 3 states. [2019-09-10 02:38:48,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:48,046 INFO L93 Difference]: Finished difference Result 453 states and 616 transitions. [2019-09-10 02:38:48,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:38:48,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-09-10 02:38:48,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:48,051 INFO L225 Difference]: With dead ends: 453 [2019-09-10 02:38:48,052 INFO L226 Difference]: Without dead ends: 453 [2019-09-10 02:38:48,052 INFO L628 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 [2019-09-10 02:38:48,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2019-09-10 02:38:48,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 452. [2019-09-10 02:38:48,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-09-10 02:38:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 615 transitions. [2019-09-10 02:38:48,087 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 615 transitions. Word has length 167 [2019-09-10 02:38:48,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:48,088 INFO L475 AbstractCegarLoop]: Abstraction has 452 states and 615 transitions. [2019-09-10 02:38:48,088 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:38:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 615 transitions. [2019-09-10 02:38:48,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-09-10 02:38:48,098 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:48,098 INFO L399 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] [2019-09-10 02:38:48,098 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:48,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:48,099 INFO L82 PathProgramCache]: Analyzing trace with hash 699187799, now seen corresponding path program 1 times [2019-09-10 02:38:48,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:48,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:48,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:48,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:48,101 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:38:48,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:48,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:38:48,329 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:48,330 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:38:48,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:38:48,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:38:48,333 INFO L87 Difference]: Start difference. First operand 452 states and 615 transitions. Second operand 3 states. [2019-09-10 02:38:48,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:48,375 INFO L93 Difference]: Finished difference Result 495 states and 688 transitions. [2019-09-10 02:38:48,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:38:48,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-09-10 02:38:48,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:48,385 INFO L225 Difference]: With dead ends: 495 [2019-09-10 02:38:48,385 INFO L226 Difference]: Without dead ends: 495 [2019-09-10 02:38:48,386 INFO L628 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 [2019-09-10 02:38:48,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-09-10 02:38:48,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 494. [2019-09-10 02:38:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2019-09-10 02:38:48,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 687 transitions. [2019-09-10 02:38:48,436 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 687 transitions. Word has length 173 [2019-09-10 02:38:48,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:48,437 INFO L475 AbstractCegarLoop]: Abstraction has 494 states and 687 transitions. [2019-09-10 02:38:48,437 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:38:48,437 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 687 transitions. [2019-09-10 02:38:48,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-10 02:38:48,444 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:48,444 INFO L399 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] [2019-09-10 02:38:48,445 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:48,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:48,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1804320706, now seen corresponding path program 1 times [2019-09-10 02:38:48,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:48,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:48,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:48,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:48,446 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:48,745 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 02:38:48,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:48,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:38:48,746 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:48,747 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:38:48,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:38:48,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:38:48,748 INFO L87 Difference]: Start difference. First operand 494 states and 687 transitions. Second operand 6 states. [2019-09-10 02:38:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:49,416 INFO L93 Difference]: Finished difference Result 933 states and 1314 transitions. [2019-09-10 02:38:49,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:38:49,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2019-09-10 02:38:49,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:49,424 INFO L225 Difference]: With dead ends: 933 [2019-09-10 02:38:49,424 INFO L226 Difference]: Without dead ends: 933 [2019-09-10 02:38:49,425 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:38:49,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2019-09-10 02:38:49,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 924. [2019-09-10 02:38:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2019-09-10 02:38:49,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1306 transitions. [2019-09-10 02:38:49,469 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1306 transitions. Word has length 174 [2019-09-10 02:38:49,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:49,470 INFO L475 AbstractCegarLoop]: Abstraction has 924 states and 1306 transitions. [2019-09-10 02:38:49,470 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:38:49,470 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1306 transitions. [2019-09-10 02:38:49,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-09-10 02:38:49,476 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:49,476 INFO L399 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] [2019-09-10 02:38:49,476 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:49,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:49,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1661976437, now seen corresponding path program 1 times [2019-09-10 02:38:49,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:49,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:49,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:49,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:49,478 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 02:38:49,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:49,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:38:49,707 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:49,708 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:38:49,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:38:49,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:38:49,763 INFO L87 Difference]: Start difference. First operand 924 states and 1306 transitions. Second operand 6 states. [2019-09-10 02:38:50,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:50,327 INFO L93 Difference]: Finished difference Result 1807 states and 2569 transitions. [2019-09-10 02:38:50,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:38:50,328 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2019-09-10 02:38:50,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:50,341 INFO L225 Difference]: With dead ends: 1807 [2019-09-10 02:38:50,341 INFO L226 Difference]: Without dead ends: 1807 [2019-09-10 02:38:50,341 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:38:50,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2019-09-10 02:38:50,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1784. [2019-09-10 02:38:50,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2019-09-10 02:38:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2547 transitions. [2019-09-10 02:38:50,418 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2547 transitions. Word has length 175 [2019-09-10 02:38:50,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:50,419 INFO L475 AbstractCegarLoop]: Abstraction has 1784 states and 2547 transitions. [2019-09-10 02:38:50,419 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:38:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2547 transitions. [2019-09-10 02:38:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-09-10 02:38:50,428 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:50,429 INFO L399 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, 1] [2019-09-10 02:38:50,429 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:50,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:50,429 INFO L82 PathProgramCache]: Analyzing trace with hash -2114252390, now seen corresponding path program 1 times [2019-09-10 02:38:50,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:50,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:50,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:50,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:50,431 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 02:38:50,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:50,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:38:50,596 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:50,597 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:38:50,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:38:50,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:38:50,598 INFO L87 Difference]: Start difference. First operand 1784 states and 2547 transitions. Second operand 6 states. [2019-09-10 02:38:51,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:51,207 INFO L93 Difference]: Finished difference Result 3505 states and 5026 transitions. [2019-09-10 02:38:51,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:38:51,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2019-09-10 02:38:51,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:51,241 INFO L225 Difference]: With dead ends: 3505 [2019-09-10 02:38:51,241 INFO L226 Difference]: Without dead ends: 3368 [2019-09-10 02:38:51,242 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:38:51,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2019-09-10 02:38:51,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3327. [2019-09-10 02:38:51,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3327 states. [2019-09-10 02:38:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 3327 states and 4808 transitions. [2019-09-10 02:38:51,414 INFO L78 Accepts]: Start accepts. Automaton has 3327 states and 4808 transitions. Word has length 176 [2019-09-10 02:38:51,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:51,414 INFO L475 AbstractCegarLoop]: Abstraction has 3327 states and 4808 transitions. [2019-09-10 02:38:51,414 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:38:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 3327 states and 4808 transitions. [2019-09-10 02:38:51,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-09-10 02:38:51,428 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:51,429 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:38:51,429 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:51,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:51,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1406568143, now seen corresponding path program 1 times [2019-09-10 02:38:51,430 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:51,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:51,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:51,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:51,433 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:38:51,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:51,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:38:51,566 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:51,567 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:38:51,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:38:51,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:38:51,568 INFO L87 Difference]: Start difference. First operand 3327 states and 4808 transitions. Second operand 3 states. [2019-09-10 02:38:51,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:51,616 INFO L93 Difference]: Finished difference Result 4014 states and 5985 transitions. [2019-09-10 02:38:51,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:38:51,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-09-10 02:38:51,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:51,648 INFO L225 Difference]: With dead ends: 4014 [2019-09-10 02:38:51,649 INFO L226 Difference]: Without dead ends: 4014 [2019-09-10 02:38:51,649 INFO L628 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 [2019-09-10 02:38:51,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4014 states. [2019-09-10 02:38:51,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4014 to 4007. [2019-09-10 02:38:51,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4007 states. [2019-09-10 02:38:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 4007 states and 5978 transitions. [2019-09-10 02:38:51,847 INFO L78 Accepts]: Start accepts. Automaton has 4007 states and 5978 transitions. Word has length 187 [2019-09-10 02:38:51,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:51,847 INFO L475 AbstractCegarLoop]: Abstraction has 4007 states and 5978 transitions. [2019-09-10 02:38:51,847 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:38:51,847 INFO L276 IsEmpty]: Start isEmpty. Operand 4007 states and 5978 transitions. [2019-09-10 02:38:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-09-10 02:38:51,868 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:51,869 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:38:51,869 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:51,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:51,870 INFO L82 PathProgramCache]: Analyzing trace with hash 2013302072, now seen corresponding path program 1 times [2019-09-10 02:38:51,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:51,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:51,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:51,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:51,872 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:38:52,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:52,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:38:52,174 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:52,174 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:38:52,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:38:52,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:38:52,175 INFO L87 Difference]: Start difference. First operand 4007 states and 5978 transitions. Second operand 3 states. [2019-09-10 02:38:52,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:52,223 INFO L93 Difference]: Finished difference Result 5294 states and 8181 transitions. [2019-09-10 02:38:52,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:38:52,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-09-10 02:38:52,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:52,259 INFO L225 Difference]: With dead ends: 5294 [2019-09-10 02:38:52,260 INFO L226 Difference]: Without dead ends: 5294 [2019-09-10 02:38:52,260 INFO L628 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 [2019-09-10 02:38:52,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5294 states. [2019-09-10 02:38:52,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5294 to 5287. [2019-09-10 02:38:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5287 states. [2019-09-10 02:38:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5287 states to 5287 states and 8174 transitions. [2019-09-10 02:38:52,459 INFO L78 Accepts]: Start accepts. Automaton has 5287 states and 8174 transitions. Word has length 188 [2019-09-10 02:38:52,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:52,460 INFO L475 AbstractCegarLoop]: Abstraction has 5287 states and 8174 transitions. [2019-09-10 02:38:52,460 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:38:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 5287 states and 8174 transitions. [2019-09-10 02:38:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-09-10 02:38:52,483 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:52,483 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:38:52,484 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:52,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:52,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1348080013, now seen corresponding path program 1 times [2019-09-10 02:38:52,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:52,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:52,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:52,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:52,486 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:38:52,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:52,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:38:52,611 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:52,612 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:38:52,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:38:52,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:38:52,613 INFO L87 Difference]: Start difference. First operand 5287 states and 8174 transitions. Second operand 3 states. [2019-09-10 02:38:52,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:52,670 INFO L93 Difference]: Finished difference Result 7758 states and 12381 transitions. [2019-09-10 02:38:52,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:38:52,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-09-10 02:38:52,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:52,720 INFO L225 Difference]: With dead ends: 7758 [2019-09-10 02:38:52,720 INFO L226 Difference]: Without dead ends: 7758 [2019-09-10 02:38:52,721 INFO L628 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 [2019-09-10 02:38:52,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7758 states. [2019-09-10 02:38:52,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7758 to 7751. [2019-09-10 02:38:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7751 states. [2019-09-10 02:38:52,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7751 states to 7751 states and 12374 transitions. [2019-09-10 02:38:52,986 INFO L78 Accepts]: Start accepts. Automaton has 7751 states and 12374 transitions. Word has length 189 [2019-09-10 02:38:52,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:52,987 INFO L475 AbstractCegarLoop]: Abstraction has 7751 states and 12374 transitions. [2019-09-10 02:38:52,987 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:38:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 7751 states and 12374 transitions. [2019-09-10 02:38:53,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-09-10 02:38:53,082 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:53,083 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:38:53,083 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:53,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:53,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1765260552, now seen corresponding path program 1 times [2019-09-10 02:38:53,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:53,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:53,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:53,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:53,085 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:38:53,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:53,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:38:53,214 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:53,214 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:38:53,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:38:53,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:38:53,215 INFO L87 Difference]: Start difference. First operand 7751 states and 12374 transitions. Second operand 3 states. [2019-09-10 02:38:53,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:53,298 INFO L93 Difference]: Finished difference Result 12494 states and 20397 transitions. [2019-09-10 02:38:53,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:38:53,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-09-10 02:38:53,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:53,360 INFO L225 Difference]: With dead ends: 12494 [2019-09-10 02:38:53,360 INFO L226 Difference]: Without dead ends: 12494 [2019-09-10 02:38:53,361 INFO L628 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 [2019-09-10 02:38:53,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12494 states. [2019-09-10 02:38:53,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12494 to 12487. [2019-09-10 02:38:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12487 states. [2019-09-10 02:38:53,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12487 states to 12487 states and 20390 transitions. [2019-09-10 02:38:53,802 INFO L78 Accepts]: Start accepts. Automaton has 12487 states and 20390 transitions. Word has length 190 [2019-09-10 02:38:53,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:53,802 INFO L475 AbstractCegarLoop]: Abstraction has 12487 states and 20390 transitions. [2019-09-10 02:38:53,802 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:38:53,802 INFO L276 IsEmpty]: Start isEmpty. Operand 12487 states and 20390 transitions. [2019-09-10 02:38:53,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-09-10 02:38:53,861 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:53,862 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:38:53,862 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:53,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:53,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1257874611, now seen corresponding path program 1 times [2019-09-10 02:38:53,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:53,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:53,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:53,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:53,864 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:54,050 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 02:38:54,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:54,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 02:38:54,051 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:54,051 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:38:54,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:38:54,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:38:54,052 INFO L87 Difference]: Start difference. First operand 12487 states and 20390 transitions. Second operand 8 states. [2019-09-10 02:38:54,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:54,191 INFO L93 Difference]: Finished difference Result 12484 states and 20381 transitions. [2019-09-10 02:38:54,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:38:54,192 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2019-09-10 02:38:54,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:54,193 INFO L225 Difference]: With dead ends: 12484 [2019-09-10 02:38:54,193 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:38:54,194 INFO L628 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 [2019-09-10 02:38:54,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:38:54,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:38:54,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:38:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:38:54,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2019-09-10 02:38:54,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:54,195 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:38:54,195 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:38:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:38:54,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:38:54,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:38:54 BoogieIcfgContainer [2019-09-10 02:38:54,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:38:54,206 INFO L168 Benchmark]: Toolchain (without parser) took 11180.05 ms. Allocated memory was 133.7 MB in the beginning and 501.7 MB in the end (delta: 368.1 MB). Free memory was 87.0 MB in the beginning and 42.8 MB in the end (delta: 44.2 MB). Peak memory consumption was 412.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:38:54,207 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 133.7 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:38:54,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1173.53 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 137.8 MB in the end (delta: -51.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:38:54,209 INFO L168 Benchmark]: Boogie Preprocessor took 172.09 ms. Allocated memory is still 201.3 MB. Free memory was 137.8 MB in the beginning and 129.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:38:54,210 INFO L168 Benchmark]: RCFGBuilder took 2273.69 ms. Allocated memory was 201.3 MB in the beginning and 261.1 MB in the end (delta: 59.8 MB). Free memory was 129.3 MB in the beginning and 181.5 MB in the end (delta: -52.2 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:38:54,211 INFO L168 Benchmark]: TraceAbstraction took 7556.05 ms. Allocated memory was 261.1 MB in the beginning and 501.7 MB in the end (delta: 240.6 MB). Free memory was 181.5 MB in the beginning and 42.8 MB in the end (delta: 138.7 MB). Peak memory consumption was 379.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:38:54,215 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 133.7 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1173.53 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 137.8 MB in the end (delta: -51.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 172.09 ms. Allocated memory is still 201.3 MB. Free memory was 137.8 MB in the beginning and 129.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2273.69 ms. Allocated memory was 201.3 MB in the beginning and 261.1 MB in the end (delta: 59.8 MB). Free memory was 129.3 MB in the beginning and 181.5 MB in the end (delta: -52.2 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7556.05 ms. Allocated memory was 261.1 MB in the beginning and 501.7 MB in the end (delta: 240.6 MB). Free memory was 181.5 MB in the beginning and 42.8 MB in the end (delta: 138.7 MB). Peak memory consumption was 379.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 455]: 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 108 procedures, 723 locations, 1 error locations. SAFE Result, 7.4s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7015 SDtfs, 1962 SDslu, 14498 SDs, 0 SdLazy, 656 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12487occurred in iteration=10, 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: 1.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 103 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1976 NumberOfCodeBlocks, 1976 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1965 ConstructedInterpolants, 0 QuantifiedInterpolants, 422061 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 370/370 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...