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 0.1.24-673a906-m [2019-10-03 02:49:54,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:49:54,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:49:54,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:49:54,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:49:54,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:49:54,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:49:54,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:49:54,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:49:54,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:49:54,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:49:54,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:49:54,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:49:54,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:49:54,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:49:54,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:49:54,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:49:54,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:49:54,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:49:54,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:49:54,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:49:54,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:49:54,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:49:54,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:49:54,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:49:54,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:49:54,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:49:54,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:49:54,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:49:54,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:49:54,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:49:54,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:49:54,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:49:54,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:49:54,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:49:54,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:49:54,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:49:54,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:49:54,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:49:54,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:49:54,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:49:54,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:49:54,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:49:54,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:49:54,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:49:54,974 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:49:54,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:49:54,974 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:49:54,975 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:49:54,975 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:49:54,975 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:49:54,975 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:49:54,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:49:54,976 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:49:54,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:49:54,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:49:54,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:49:54,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:49:54,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:49:54,977 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:49:54,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:49:54,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:49:54,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:49:54,978 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:49:54,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:49:54,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:49:54,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:49:54,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:49:54,979 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:49:54,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:49:54,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:49:54,980 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:49:55,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:49:55,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:49:55,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:49:55,031 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:49:55,033 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:49:55,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product38.cil.c [2019-10-03 02:49:55,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab429f435/875ac4f9f9f2400896b38fa588883662/FLAG8fd6b1dea [2019-10-03 02:49:55,737 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:49:55,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product38.cil.c [2019-10-03 02:49:55,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab429f435/875ac4f9f9f2400896b38fa588883662/FLAG8fd6b1dea [2019-10-03 02:49:55,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab429f435/875ac4f9f9f2400896b38fa588883662 [2019-10-03 02:49:55,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:49:55,965 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:49:55,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:49:55,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:49:55,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:49:55,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:49:55" (1/1) ... [2019-10-03 02:49:55,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373369a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:55, skipping insertion in model container [2019-10-03 02:49:55,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:49:55" (1/1) ... [2019-10-03 02:49:55,983 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:49:56,062 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:49:56,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:49:56,808 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:49:57,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:49:57,099 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:49:57,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:57 WrapperNode [2019-10-03 02:49:57,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:49:57,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:49:57,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:49:57,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:49:57,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:57" (1/1) ... [2019-10-03 02:49:57,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:57" (1/1) ... [2019-10-03 02:49:57,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:57" (1/1) ... [2019-10-03 02:49:57,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:57" (1/1) ... [2019-10-03 02:49:57,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:57" (1/1) ... [2019-10-03 02:49:57,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:57" (1/1) ... [2019-10-03 02:49:57,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:57" (1/1) ... [2019-10-03 02:49:57,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:49:57,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:49:57,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:49:57,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:49:57,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:49:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:49:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:49:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:49:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:49:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:49:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:49:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:49:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:49:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:49:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:49:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:49:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:49:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:49:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:49:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:49:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:49:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:49:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:49:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:49:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:49:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:49:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:49:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:49:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:49:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:49:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:49:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:49:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:49:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:49:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:49:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:49:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:49:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:49:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:49:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:49:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:49:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:49:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:49:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:49:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:49:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:49:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:49:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:49:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:49:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:49:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:49:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:49:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:49:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:49:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:49:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:49:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:49:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:49:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:49:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:49:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:49:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:49:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:49:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:49:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:49:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:49:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:49:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:49:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:49:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:49:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:49:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:49:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:49:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:49:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:49:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:49:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:49:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:49:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:49:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:49:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:49:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:49:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:49:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:49:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:49:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:49:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:49:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-03 02:49:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:49:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:49:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:49:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:49:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:49:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:49:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:49:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:49:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-03 02:49:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:49:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:49:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:49:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:49:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:49:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:49:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:49:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:49:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:49:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:49:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:49:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:49:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:49:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:49:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:49:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:49:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:49:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:49:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:49:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:49:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:49:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:49:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:49:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:49:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:49:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:49:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:49:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:49:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:49:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:49:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:49:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:49:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:49:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:49:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:49:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:49:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:49:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:49:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:49:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:49:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:49:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:49:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:49:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:49:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:49:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:49:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:49:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:49:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:49:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:49:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:49:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:49:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:49:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:49:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:49:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:49:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:49:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:49:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:49:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:49:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:49:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:49:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:49:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:49:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:49:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:49:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:49:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:49:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:49:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:49:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:49:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:49:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:49:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:49:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:49:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:49:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:49:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:49:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:49:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:49:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:49:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:49:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:49:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:49:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:49:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:49:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:49:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:49:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:49:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:49:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:49:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:49:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:49:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:49:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:49:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:49:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:49:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:49:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:49:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:49:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:49:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:49:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:49:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:49:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:49:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:49:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:49:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:49:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:49:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:49:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:49:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:49:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:49:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:49:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:49:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:49:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:49:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:49:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:49:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:49:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-03 02:49:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:49:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:49:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:49:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:49:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:49:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:49:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:49:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:49:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:49:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:49:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:49:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:49:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-03 02:49:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:49:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:49:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:49:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:49:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:49:59,440 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:49:59,441 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:49:59,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:49:59 BoogieIcfgContainer [2019-10-03 02:49:59,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:49:59,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:49:59,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:49:59,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:49:59,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:49:55" (1/3) ... [2019-10-03 02:49:59,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23685762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:49:59, skipping insertion in model container [2019-10-03 02:49:59,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:57" (2/3) ... [2019-10-03 02:49:59,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23685762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:49:59, skipping insertion in model container [2019-10-03 02:49:59,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:49:59" (3/3) ... [2019-10-03 02:49:59,457 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product38.cil.c [2019-10-03 02:49:59,470 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:49:59,489 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:49:59,509 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:49:59,549 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:49:59,550 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:49:59,550 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:49:59,550 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:49:59,550 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:49:59,550 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:49:59,550 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:49:59,550 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:49:59,595 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states. [2019-10-03 02:49:59,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-03 02:49:59,644 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:49:59,647 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:49:59,651 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:49:59,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:49:59,659 INFO L82 PathProgramCache]: Analyzing trace with hash 396221068, now seen corresponding path program 1 times [2019-10-03 02:49:59,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:49:59,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:59,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:49:59,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:59,733 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:50:00,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:00,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:50:00,380 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:00,395 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:50:00,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:50:00,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:50:00,414 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 2 states. [2019-10-03 02:50:00,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:00,491 INFO L93 Difference]: Finished difference Result 459 states and 624 transitions. [2019-10-03 02:50:00,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:50:00,493 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 166 [2019-10-03 02:50:00,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:00,515 INFO L225 Difference]: With dead ends: 459 [2019-10-03 02:50:00,515 INFO L226 Difference]: Without dead ends: 450 [2019-10-03 02:50:00,517 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:50:00,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2019-10-03 02:50:00,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2019-10-03 02:50:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2019-10-03 02:50:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 613 transitions. [2019-10-03 02:50:00,605 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 613 transitions. Word has length 166 [2019-10-03 02:50:00,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:00,608 INFO L475 AbstractCegarLoop]: Abstraction has 450 states and 613 transitions. [2019-10-03 02:50:00,608 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:50:00,608 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 613 transitions. [2019-10-03 02:50:00,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-03 02:50:00,613 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:00,614 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:50:00,614 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:00,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:00,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1790187133, now seen corresponding path program 1 times [2019-10-03 02:50:00,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:00,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:00,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:00,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:00,621 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:50:00,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:00,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:50:00,966 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:00,972 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:50:00,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:50:00,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:00,973 INFO L87 Difference]: Start difference. First operand 450 states and 613 transitions. Second operand 3 states. [2019-10-03 02:50:01,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:01,037 INFO L93 Difference]: Finished difference Result 453 states and 616 transitions. [2019-10-03 02:50:01,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:50:01,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-10-03 02:50:01,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:01,050 INFO L225 Difference]: With dead ends: 453 [2019-10-03 02:50:01,051 INFO L226 Difference]: Without dead ends: 453 [2019-10-03 02:50:01,052 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:01,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2019-10-03 02:50:01,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 452. [2019-10-03 02:50:01,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-10-03 02:50:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 615 transitions. [2019-10-03 02:50:01,094 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 615 transitions. Word has length 167 [2019-10-03 02:50:01,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:01,095 INFO L475 AbstractCegarLoop]: Abstraction has 452 states and 615 transitions. [2019-10-03 02:50:01,095 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:50:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 615 transitions. [2019-10-03 02:50:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-03 02:50:01,098 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:01,099 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:50:01,099 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:01,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:01,099 INFO L82 PathProgramCache]: Analyzing trace with hash 699187799, now seen corresponding path program 1 times [2019-10-03 02:50:01,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:01,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:01,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:01,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:01,104 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:50:01,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:01,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:50:01,267 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:01,271 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:50:01,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:50:01,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:01,274 INFO L87 Difference]: Start difference. First operand 452 states and 615 transitions. Second operand 3 states. [2019-10-03 02:50:01,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:01,309 INFO L93 Difference]: Finished difference Result 495 states and 688 transitions. [2019-10-03 02:50:01,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:50:01,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-10-03 02:50:01,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:01,314 INFO L225 Difference]: With dead ends: 495 [2019-10-03 02:50:01,315 INFO L226 Difference]: Without dead ends: 495 [2019-10-03 02:50:01,315 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:01,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-10-03 02:50:01,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 494. [2019-10-03 02:50:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2019-10-03 02:50:01,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 687 transitions. [2019-10-03 02:50:01,345 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 687 transitions. Word has length 173 [2019-10-03 02:50:01,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:01,348 INFO L475 AbstractCegarLoop]: Abstraction has 494 states and 687 transitions. [2019-10-03 02:50:01,348 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:50:01,348 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 687 transitions. [2019-10-03 02:50:01,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-03 02:50:01,361 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:01,361 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:50:01,361 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:01,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:01,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1804320706, now seen corresponding path program 1 times [2019-10-03 02:50:01,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:01,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:01,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:01,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:01,371 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:50:01,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:01,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:50:01,726 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:01,726 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:50:01,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:50:01,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:50:01,727 INFO L87 Difference]: Start difference. First operand 494 states and 687 transitions. Second operand 6 states. [2019-10-03 02:50:02,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:02,437 INFO L93 Difference]: Finished difference Result 933 states and 1314 transitions. [2019-10-03 02:50:02,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:50:02,439 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2019-10-03 02:50:02,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:02,445 INFO L225 Difference]: With dead ends: 933 [2019-10-03 02:50:02,446 INFO L226 Difference]: Without dead ends: 933 [2019-10-03 02:50:02,446 INFO L640 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 [2019-10-03 02:50:02,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2019-10-03 02:50:02,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 924. [2019-10-03 02:50:02,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2019-10-03 02:50:02,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1306 transitions. [2019-10-03 02:50:02,491 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1306 transitions. Word has length 174 [2019-10-03 02:50:02,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:02,492 INFO L475 AbstractCegarLoop]: Abstraction has 924 states and 1306 transitions. [2019-10-03 02:50:02,492 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:50:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1306 transitions. [2019-10-03 02:50:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-03 02:50:02,497 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:02,498 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:50:02,498 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:02,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:02,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1661976437, now seen corresponding path program 1 times [2019-10-03 02:50:02,499 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:02,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:02,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:02,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:02,503 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:50:02,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:02,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:50:02,768 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:02,769 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:50:02,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:50:02,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:50:02,770 INFO L87 Difference]: Start difference. First operand 924 states and 1306 transitions. Second operand 6 states. [2019-10-03 02:50:03,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:03,509 INFO L93 Difference]: Finished difference Result 1807 states and 2569 transitions. [2019-10-03 02:50:03,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:50:03,510 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2019-10-03 02:50:03,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:03,529 INFO L225 Difference]: With dead ends: 1807 [2019-10-03 02:50:03,530 INFO L226 Difference]: Without dead ends: 1807 [2019-10-03 02:50:03,531 INFO L640 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 [2019-10-03 02:50:03,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2019-10-03 02:50:03,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1784. [2019-10-03 02:50:03,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2019-10-03 02:50:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2547 transitions. [2019-10-03 02:50:03,642 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2547 transitions. Word has length 175 [2019-10-03 02:50:03,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:03,644 INFO L475 AbstractCegarLoop]: Abstraction has 1784 states and 2547 transitions. [2019-10-03 02:50:03,644 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:50:03,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2547 transitions. [2019-10-03 02:50:03,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-03 02:50:03,653 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:03,653 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:50:03,653 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:03,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:03,654 INFO L82 PathProgramCache]: Analyzing trace with hash -2114252390, now seen corresponding path program 1 times [2019-10-03 02:50:03,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:03,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:03,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:03,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:03,662 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:03,860 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:50:03,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:03,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:50:03,860 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:03,861 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:50:03,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:50:03,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:50:03,862 INFO L87 Difference]: Start difference. First operand 1784 states and 2547 transitions. Second operand 6 states. [2019-10-03 02:50:04,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:04,468 INFO L93 Difference]: Finished difference Result 3505 states and 5026 transitions. [2019-10-03 02:50:04,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:50:04,469 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2019-10-03 02:50:04,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:04,492 INFO L225 Difference]: With dead ends: 3505 [2019-10-03 02:50:04,492 INFO L226 Difference]: Without dead ends: 3368 [2019-10-03 02:50:04,493 INFO L640 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 [2019-10-03 02:50:04,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2019-10-03 02:50:04,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3327. [2019-10-03 02:50:04,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3327 states. [2019-10-03 02:50:04,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 3327 states and 4808 transitions. [2019-10-03 02:50:04,660 INFO L78 Accepts]: Start accepts. Automaton has 3327 states and 4808 transitions. Word has length 176 [2019-10-03 02:50:04,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:04,661 INFO L475 AbstractCegarLoop]: Abstraction has 3327 states and 4808 transitions. [2019-10-03 02:50:04,661 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:50:04,661 INFO L276 IsEmpty]: Start isEmpty. Operand 3327 states and 4808 transitions. [2019-10-03 02:50:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-03 02:50:04,675 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:04,675 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:50:04,675 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:04,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:04,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1406568143, now seen corresponding path program 1 times [2019-10-03 02:50:04,676 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:04,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:04,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:04,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:04,681 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:50:04,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:04,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:50:04,825 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:04,826 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:50:04,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:50:04,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:04,827 INFO L87 Difference]: Start difference. First operand 3327 states and 4808 transitions. Second operand 3 states. [2019-10-03 02:50:04,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:04,876 INFO L93 Difference]: Finished difference Result 4014 states and 5985 transitions. [2019-10-03 02:50:04,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:50:04,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-10-03 02:50:04,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:04,907 INFO L225 Difference]: With dead ends: 4014 [2019-10-03 02:50:04,907 INFO L226 Difference]: Without dead ends: 4014 [2019-10-03 02:50:04,908 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:04,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4014 states. [2019-10-03 02:50:05,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4014 to 4007. [2019-10-03 02:50:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4007 states. [2019-10-03 02:50:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 4007 states and 5978 transitions. [2019-10-03 02:50:05,075 INFO L78 Accepts]: Start accepts. Automaton has 4007 states and 5978 transitions. Word has length 187 [2019-10-03 02:50:05,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:05,076 INFO L475 AbstractCegarLoop]: Abstraction has 4007 states and 5978 transitions. [2019-10-03 02:50:05,076 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:50:05,076 INFO L276 IsEmpty]: Start isEmpty. Operand 4007 states and 5978 transitions. [2019-10-03 02:50:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-03 02:50:05,094 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:05,094 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:50:05,094 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:05,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:05,095 INFO L82 PathProgramCache]: Analyzing trace with hash 2013302072, now seen corresponding path program 1 times [2019-10-03 02:50:05,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:05,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:05,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:05,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:05,099 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:50:05,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:05,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:50:05,260 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:05,261 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:50:05,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:50:05,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:05,262 INFO L87 Difference]: Start difference. First operand 4007 states and 5978 transitions. Second operand 3 states. [2019-10-03 02:50:05,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:05,376 INFO L93 Difference]: Finished difference Result 5294 states and 8181 transitions. [2019-10-03 02:50:05,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:50:05,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-10-03 02:50:05,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:05,414 INFO L225 Difference]: With dead ends: 5294 [2019-10-03 02:50:05,414 INFO L226 Difference]: Without dead ends: 5294 [2019-10-03 02:50:05,415 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:05,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5294 states. [2019-10-03 02:50:05,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5294 to 5287. [2019-10-03 02:50:05,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5287 states. [2019-10-03 02:50:05,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5287 states to 5287 states and 8174 transitions. [2019-10-03 02:50:05,699 INFO L78 Accepts]: Start accepts. Automaton has 5287 states and 8174 transitions. Word has length 188 [2019-10-03 02:50:05,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:05,700 INFO L475 AbstractCegarLoop]: Abstraction has 5287 states and 8174 transitions. [2019-10-03 02:50:05,700 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:50:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand 5287 states and 8174 transitions. [2019-10-03 02:50:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-03 02:50:05,732 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:05,732 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:50:05,733 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:05,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:05,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1348080013, now seen corresponding path program 1 times [2019-10-03 02:50:05,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:05,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:05,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:05,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:05,737 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:50:05,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:05,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:50:05,936 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:05,937 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:50:05,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:50:05,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:05,938 INFO L87 Difference]: Start difference. First operand 5287 states and 8174 transitions. Second operand 3 states. [2019-10-03 02:50:06,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:06,022 INFO L93 Difference]: Finished difference Result 7758 states and 12381 transitions. [2019-10-03 02:50:06,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:50:06,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-03 02:50:06,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:06,095 INFO L225 Difference]: With dead ends: 7758 [2019-10-03 02:50:06,095 INFO L226 Difference]: Without dead ends: 7758 [2019-10-03 02:50:06,096 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:06,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7758 states. [2019-10-03 02:50:06,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7758 to 7751. [2019-10-03 02:50:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7751 states. [2019-10-03 02:50:06,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7751 states to 7751 states and 12374 transitions. [2019-10-03 02:50:06,555 INFO L78 Accepts]: Start accepts. Automaton has 7751 states and 12374 transitions. Word has length 189 [2019-10-03 02:50:06,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:06,556 INFO L475 AbstractCegarLoop]: Abstraction has 7751 states and 12374 transitions. [2019-10-03 02:50:06,556 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:50:06,556 INFO L276 IsEmpty]: Start isEmpty. Operand 7751 states and 12374 transitions. [2019-10-03 02:50:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-03 02:50:06,598 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:06,598 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:50:06,598 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:06,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:06,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1765260552, now seen corresponding path program 1 times [2019-10-03 02:50:06,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:06,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:06,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:06,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:06,606 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:06,848 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:50:06,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:06,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:50:06,849 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:06,850 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:50:06,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:50:06,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:06,850 INFO L87 Difference]: Start difference. First operand 7751 states and 12374 transitions. Second operand 3 states. [2019-10-03 02:50:06,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:06,944 INFO L93 Difference]: Finished difference Result 12494 states and 20397 transitions. [2019-10-03 02:50:06,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:50:06,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-10-03 02:50:06,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:07,025 INFO L225 Difference]: With dead ends: 12494 [2019-10-03 02:50:07,025 INFO L226 Difference]: Without dead ends: 12494 [2019-10-03 02:50:07,026 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:07,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12494 states. [2019-10-03 02:50:07,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12494 to 12487. [2019-10-03 02:50:07,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12487 states. [2019-10-03 02:50:07,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12487 states to 12487 states and 20390 transitions. [2019-10-03 02:50:07,517 INFO L78 Accepts]: Start accepts. Automaton has 12487 states and 20390 transitions. Word has length 190 [2019-10-03 02:50:07,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:07,517 INFO L475 AbstractCegarLoop]: Abstraction has 12487 states and 20390 transitions. [2019-10-03 02:50:07,517 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:50:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 12487 states and 20390 transitions. [2019-10-03 02:50:07,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-03 02:50:07,569 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:07,569 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:50:07,569 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:07,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:07,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1257874611, now seen corresponding path program 1 times [2019-10-03 02:50:07,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:07,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:07,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:07,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:07,578 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:50:07,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:07,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:50:07,808 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:07,809 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:50:07,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:50:07,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:50:07,810 INFO L87 Difference]: Start difference. First operand 12487 states and 20390 transitions. Second operand 8 states. [2019-10-03 02:50:07,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:07,961 INFO L93 Difference]: Finished difference Result 12484 states and 20381 transitions. [2019-10-03 02:50:07,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:50:07,962 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2019-10-03 02:50:07,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:07,964 INFO L225 Difference]: With dead ends: 12484 [2019-10-03 02:50:07,964 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:50:07,965 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:50:07,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:50:07,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:50:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:50:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:50:07,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2019-10-03 02:50:07,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:07,967 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:50:07,967 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:50:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:50:07,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:50:07,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:50:07 BoogieIcfgContainer [2019-10-03 02:50:07,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:50:07,978 INFO L168 Benchmark]: Toolchain (without parser) took 12010.48 ms. Allocated memory was 133.2 MB in the beginning and 503.8 MB in the end (delta: 370.7 MB). Free memory was 85.9 MB in the beginning and 45.6 MB in the end (delta: 40.3 MB). Peak memory consumption was 411.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:07,979 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 133.2 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:50:07,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1133.25 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 85.5 MB in the beginning and 136.8 MB in the end (delta: -51.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:07,983 INFO L168 Benchmark]: Boogie Preprocessor took 213.19 ms. Allocated memory is still 201.3 MB. Free memory was 136.8 MB in the beginning and 128.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:07,985 INFO L168 Benchmark]: RCFGBuilder took 2128.93 ms. Allocated memory was 201.3 MB in the beginning and 265.3 MB in the end (delta: 64.0 MB). Free memory was 128.3 MB in the beginning and 180.1 MB in the end (delta: -51.8 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:07,990 INFO L168 Benchmark]: TraceAbstraction took 8527.99 ms. Allocated memory was 265.3 MB in the beginning and 503.8 MB in the end (delta: 238.6 MB). Free memory was 180.1 MB in the beginning and 45.6 MB in the end (delta: 134.5 MB). Peak memory consumption was 373.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:07,996 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 133.2 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1133.25 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 85.5 MB in the beginning and 136.8 MB in the end (delta: -51.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 213.19 ms. Allocated memory is still 201.3 MB. Free memory was 136.8 MB in the beginning and 128.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2128.93 ms. Allocated memory was 201.3 MB in the beginning and 265.3 MB in the end (delta: 64.0 MB). Free memory was 128.3 MB in the beginning and 180.1 MB in the end (delta: -51.8 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8527.99 ms. Allocated memory was 265.3 MB in the beginning and 503.8 MB in the end (delta: 238.6 MB). Free memory was 180.1 MB in the beginning and 45.6 MB in the end (delta: 134.5 MB). Peak memory consumption was 373.0 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, 8.4s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7015 SDtfs, 1962 SDslu, 14498 SDs, 0 SdLazy, 656 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s 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: 1.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 103 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.4s 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...