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_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:29:13,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:29:13,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:29:13,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:29:13,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:29:13,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:29:13,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:29:13,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:29:13,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:29:13,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:29:13,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:29:13,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:29:13,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:29:13,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:29:13,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:29:13,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:29:13,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:29:13,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:29:13,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:29:13,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:29:13,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:29:13,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:29:13,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:29:13,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:29:13,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:29:13,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:29:13,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:29:13,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:29:13,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:29:13,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:29:13,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:29:13,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:29:13,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:29:13,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:29:13,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:29:13,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:29:13,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:29:13,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:29:13,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:29:13,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:29:13,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:29:13,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:29:13,954 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:29:13,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:29:13,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:29:13,956 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:29:13,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:29:13,957 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:29:13,957 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:29:13,957 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:29:13,957 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:29:13,958 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:29:13,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:29:13,960 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:29:13,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:29:13,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:29:13,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:29:13,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:29:13,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:29:13,962 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:29:13,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:29:13,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:29:13,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:29:13,963 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:29:13,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:29:13,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:13,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:29:13,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:29:13,964 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:29:13,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:29:13,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:29:13,964 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:29:14,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:29:14,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:29:14,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:29:14,044 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:29:14,045 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:29:14,046 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2019-09-20 13:29:14,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/189a16c3d/ad6c4dc51ddb4f5b98daa2039c411d7d/FLAG4a3be44db [2019-09-20 13:29:14,745 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:29:14,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2019-09-20 13:29:14,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/189a16c3d/ad6c4dc51ddb4f5b98daa2039c411d7d/FLAG4a3be44db [2019-09-20 13:29:14,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/189a16c3d/ad6c4dc51ddb4f5b98daa2039c411d7d [2019-09-20 13:29:14,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:29:14,967 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:29:14,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:14,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:29:14,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:29:14,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:14" (1/1) ... [2019-09-20 13:29:14,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8d1e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:14, skipping insertion in model container [2019-09-20 13:29:14,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:14" (1/1) ... [2019-09-20 13:29:14,989 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:29:15,067 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:29:15,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:15,795 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:29:15,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:15,974 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:29:15,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:15 WrapperNode [2019-09-20 13:29:15,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:15,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:29:15,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:29:15,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:29:15,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:15" (1/1) ... [2019-09-20 13:29:15,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:15" (1/1) ... [2019-09-20 13:29:16,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:15" (1/1) ... [2019-09-20 13:29:16,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:15" (1/1) ... [2019-09-20 13:29:16,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:15" (1/1) ... [2019-09-20 13:29:16,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:15" (1/1) ... [2019-09-20 13:29:16,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:15" (1/1) ... [2019-09-20 13:29:16,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:29:16,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:29:16,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:29:16,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:29:16,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:29:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:29:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-20 13:29:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-20 13:29:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-20 13:29:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-20 13:29:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-20 13:29:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:29:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:29:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-20 13:29:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:29:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:29:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:29:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:29:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:29:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-20 13:29:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-20 13:29:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-20 13:29:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-20 13:29:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-20 13:29:16,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-20 13:29:16,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-20 13:29:16,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-20 13:29:16,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-20 13:29:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-20 13:29:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-20 13:29:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-20 13:29:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-20 13:29:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-20 13:29:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-20 13:29:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-20 13:29:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-20 13:29:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-20 13:29:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-20 13:29:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-20 13:29:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-20 13:29:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-20 13:29:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-20 13:29:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-20 13:29:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-09-20 13:29:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-20 13:29:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-20 13:29:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-20 13:29:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-20 13:29:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-20 13:29:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-20 13:29:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-20 13:29:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-20 13:29:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-20 13:29:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:29:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-20 13:29:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:29:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:29:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:29:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-20 13:29:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-20 13:29:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-20 13:29:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-20 13:29:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-20 13:29:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-20 13:29:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-20 13:29:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-20 13:29:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-20 13:29:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-20 13:29:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-20 13:29:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-20 13:29:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-20 13:29:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-20 13:29:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-20 13:29:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-20 13:29:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-20 13:29:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-20 13:29:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-20 13:29:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-20 13:29:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-20 13:29:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-20 13:29:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-20 13:29:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-20 13:29:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-20 13:29:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-20 13:29:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-20 13:29:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-20 13:29:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-20 13:29:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-20 13:29:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-20 13:29:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-20 13:29:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-20 13:29:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:29:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:29:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:29:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 13:29:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-20 13:29:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-20 13:29:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:29:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:29:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:29:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-20 13:29:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-20 13:29:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-20 13:29:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-20 13:29:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-20 13:29:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-20 13:29:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-20 13:29:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-20 13:29:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-20 13:29:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-20 13:29:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:29:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:29:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:29:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-20 13:29:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:29:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:29:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-20 13:29:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-20 13:29:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-20 13:29:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-20 13:29:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-20 13:29:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-20 13:29:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-20 13:29:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-20 13:29:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-20 13:29:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-20 13:29:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-20 13:29:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-20 13:29:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-20 13:29:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-20 13:29:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-20 13:29:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-20 13:29:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-20 13:29:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-20 13:29:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-20 13:29:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-20 13:29:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-20 13:29:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-20 13:29:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-20 13:29:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-20 13:29:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-20 13:29:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-20 13:29:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-20 13:29:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-20 13:29:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-20 13:29:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-20 13:29:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-20 13:29:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-09-20 13:29:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-20 13:29:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:29:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-20 13:29:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-20 13:29:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:29:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:29:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:29:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:29:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:29:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:29:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:29:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:29:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:29:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:29:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:29:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:29:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-20 13:29:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-20 13:29:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-20 13:29:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-20 13:29:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-20 13:29:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-20 13:29:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-20 13:29:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-20 13:29:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-20 13:29:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-20 13:29:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-20 13:29:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-20 13:29:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-20 13:29:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-20 13:29:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-20 13:29:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-20 13:29:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-20 13:29:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-20 13:29:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-20 13:29:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-20 13:29:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-20 13:29:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-20 13:29:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-20 13:29:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-20 13:29:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-20 13:29:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-20 13:29:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:29:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:29:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:29:18,523 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:29:18,523 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 13:29:18,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:18 BoogieIcfgContainer [2019-09-20 13:29:18,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:29:18,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:29:18,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:29:18,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:29:18,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:29:14" (1/3) ... [2019-09-20 13:29:18,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d92cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:18, skipping insertion in model container [2019-09-20 13:29:18,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:15" (2/3) ... [2019-09-20 13:29:18,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d92cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:18, skipping insertion in model container [2019-09-20 13:29:18,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:18" (3/3) ... [2019-09-20 13:29:18,536 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2019-09-20 13:29:18,546 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:29:18,560 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:29:18,577 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:29:18,607 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:29:18,607 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:29:18,607 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:29:18,607 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:29:18,608 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:29:18,608 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:29:18,608 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:29:18,608 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:29:18,635 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states. [2019-09-20 13:29:18,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-09-20 13:29:18,663 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:18,667 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:18,669 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:18,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:18,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1055446932, now seen corresponding path program 1 times [2019-09-20 13:29:18,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:18,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:18,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:18,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:18,750 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-20 13:29:19,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:19,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:29:19,277 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:19,284 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:29:19,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:29:19,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:19,303 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 2 states. [2019-09-20 13:29:19,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:19,343 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2019-09-20 13:29:19,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:29:19,344 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-09-20 13:29:19,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:19,358 INFO L225 Difference]: With dead ends: 209 [2019-09-20 13:29:19,359 INFO L226 Difference]: Without dead ends: 200 [2019-09-20 13:29:19,361 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:19,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-09-20 13:29:19,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2019-09-20 13:29:19,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-09-20 13:29:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 248 transitions. [2019-09-20 13:29:19,423 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 248 transitions. Word has length 125 [2019-09-20 13:29:19,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:19,426 INFO L475 AbstractCegarLoop]: Abstraction has 200 states and 248 transitions. [2019-09-20 13:29:19,426 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:29:19,426 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 248 transitions. [2019-09-20 13:29:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-09-20 13:29:19,430 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:19,431 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:19,431 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:19,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:19,432 INFO L82 PathProgramCache]: Analyzing trace with hash -121667894, now seen corresponding path program 1 times [2019-09-20 13:29:19,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:19,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:19,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:19,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:19,437 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:19,627 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-20 13:29:19,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:19,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:19,628 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:19,630 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:19,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:19,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:19,631 INFO L87 Difference]: Start difference. First operand 200 states and 248 transitions. Second operand 3 states. [2019-09-20 13:29:19,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:19,664 INFO L93 Difference]: Finished difference Result 203 states and 251 transitions. [2019-09-20 13:29:19,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:19,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-09-20 13:29:19,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:19,668 INFO L225 Difference]: With dead ends: 203 [2019-09-20 13:29:19,668 INFO L226 Difference]: Without dead ends: 203 [2019-09-20 13:29:19,669 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:19,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-09-20 13:29:19,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 202. [2019-09-20 13:29:19,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-09-20 13:29:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 250 transitions. [2019-09-20 13:29:19,687 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 250 transitions. Word has length 126 [2019-09-20 13:29:19,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:19,688 INFO L475 AbstractCegarLoop]: Abstraction has 202 states and 250 transitions. [2019-09-20 13:29:19,688 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:19,688 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 250 transitions. [2019-09-20 13:29:19,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-09-20 13:29:19,691 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:19,691 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:19,692 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:19,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:19,692 INFO L82 PathProgramCache]: Analyzing trace with hash 164607131, now seen corresponding path program 1 times [2019-09-20 13:29:19,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:19,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:19,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:19,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:19,697 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:19,886 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:29:19,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:19,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:29:19,887 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:19,889 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:29:19,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:29:19,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:29:19,890 INFO L87 Difference]: Start difference. First operand 202 states and 250 transitions. Second operand 6 states. [2019-09-20 13:29:20,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:20,407 INFO L93 Difference]: Finished difference Result 364 states and 457 transitions. [2019-09-20 13:29:20,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:29:20,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2019-09-20 13:29:20,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:20,415 INFO L225 Difference]: With dead ends: 364 [2019-09-20 13:29:20,416 INFO L226 Difference]: Without dead ends: 364 [2019-09-20 13:29:20,416 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:29:20,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-09-20 13:29:20,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 355. [2019-09-20 13:29:20,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2019-09-20 13:29:20,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 449 transitions. [2019-09-20 13:29:20,447 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 449 transitions. Word has length 131 [2019-09-20 13:29:20,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:20,447 INFO L475 AbstractCegarLoop]: Abstraction has 355 states and 449 transitions. [2019-09-20 13:29:20,448 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:29:20,448 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 449 transitions. [2019-09-20 13:29:20,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-09-20 13:29:20,452 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:20,452 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:20,452 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:20,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:20,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1982236929, now seen corresponding path program 1 times [2019-09-20 13:29:20,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:20,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:20,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:20,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:20,458 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:29:20,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:20,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:29:20,622 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:20,623 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:29:20,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:29:20,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:29:20,624 INFO L87 Difference]: Start difference. First operand 355 states and 449 transitions. Second operand 6 states. [2019-09-20 13:29:20,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:20,913 INFO L93 Difference]: Finished difference Result 680 states and 867 transitions. [2019-09-20 13:29:20,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:29:20,914 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2019-09-20 13:29:20,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:20,920 INFO L225 Difference]: With dead ends: 680 [2019-09-20 13:29:20,920 INFO L226 Difference]: Without dead ends: 680 [2019-09-20 13:29:20,920 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:29:20,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2019-09-20 13:29:20,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 661. [2019-09-20 13:29:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2019-09-20 13:29:20,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 849 transitions. [2019-09-20 13:29:20,971 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 849 transitions. Word has length 132 [2019-09-20 13:29:20,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:20,971 INFO L475 AbstractCegarLoop]: Abstraction has 661 states and 849 transitions. [2019-09-20 13:29:20,972 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:29:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 849 transitions. [2019-09-20 13:29:20,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-09-20 13:29:20,979 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:20,980 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:20,980 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:20,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:20,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1303345439, now seen corresponding path program 1 times [2019-09-20 13:29:20,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:20,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:20,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:20,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:20,985 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:29:21,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:21,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:29:21,173 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:21,174 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:29:21,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:29:21,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:29:21,175 INFO L87 Difference]: Start difference. First operand 661 states and 849 transitions. Second operand 6 states. [2019-09-20 13:29:21,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:21,494 INFO L93 Difference]: Finished difference Result 1312 states and 1691 transitions. [2019-09-20 13:29:21,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:29:21,495 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2019-09-20 13:29:21,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:21,508 INFO L225 Difference]: With dead ends: 1312 [2019-09-20 13:29:21,508 INFO L226 Difference]: Without dead ends: 1312 [2019-09-20 13:29:21,509 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:29:21,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2019-09-20 13:29:21,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1273. [2019-09-20 13:29:21,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1273 states. [2019-09-20 13:29:21,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1653 transitions. [2019-09-20 13:29:21,602 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1653 transitions. Word has length 133 [2019-09-20 13:29:21,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:21,604 INFO L475 AbstractCegarLoop]: Abstraction has 1273 states and 1653 transitions. [2019-09-20 13:29:21,604 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:29:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1653 transitions. [2019-09-20 13:29:21,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-09-20 13:29:21,611 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:21,611 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:21,612 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:21,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:21,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1638312160, now seen corresponding path program 1 times [2019-09-20 13:29:21,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:21,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:21,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:21,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:21,618 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:21,782 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:29:21,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:21,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:29:21,783 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:21,785 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:29:21,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:29:21,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:29:21,785 INFO L87 Difference]: Start difference. First operand 1273 states and 1653 transitions. Second operand 8 states. [2019-09-20 13:29:21,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:21,829 INFO L93 Difference]: Finished difference Result 1270 states and 1643 transitions. [2019-09-20 13:29:21,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:29:21,830 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 133 [2019-09-20 13:29:21,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:21,830 INFO L225 Difference]: With dead ends: 1270 [2019-09-20 13:29:21,830 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:29:21,831 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:29:21,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:29:21,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:29:21,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:29:21,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:29:21,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2019-09-20 13:29:21,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:21,833 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:29:21,833 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:29:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:29:21,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:29:21,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:29:21 BoogieIcfgContainer [2019-09-20 13:29:21,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:29:21,852 INFO L168 Benchmark]: Toolchain (without parser) took 6882.03 ms. Allocated memory was 136.3 MB in the beginning and 367.0 MB in the end (delta: 230.7 MB). Free memory was 81.2 MB in the beginning and 213.2 MB in the end (delta: -132.0 MB). Peak memory consumption was 98.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:21,853 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:29:21,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1003.33 ms. Allocated memory was 136.3 MB in the beginning and 198.7 MB in the end (delta: 62.4 MB). Free memory was 81.0 MB in the beginning and 143.8 MB in the end (delta: -62.8 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:21,856 INFO L168 Benchmark]: Boogie Preprocessor took 174.63 ms. Allocated memory is still 198.7 MB. Free memory was 143.8 MB in the beginning and 135.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:21,857 INFO L168 Benchmark]: RCFGBuilder took 2375.15 ms. Allocated memory was 198.7 MB in the beginning and 280.0 MB in the end (delta: 81.3 MB). Free memory was 135.6 MB in the beginning and 239.6 MB in the end (delta: -104.1 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:21,859 INFO L168 Benchmark]: TraceAbstraction took 3319.63 ms. Allocated memory was 280.0 MB in the beginning and 367.0 MB in the end (delta: 87.0 MB). Free memory was 239.6 MB in the beginning and 213.2 MB in the end (delta: 26.5 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:21,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1003.33 ms. Allocated memory was 136.3 MB in the beginning and 198.7 MB in the end (delta: 62.4 MB). Free memory was 81.0 MB in the beginning and 143.8 MB in the end (delta: -62.8 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.63 ms. Allocated memory is still 198.7 MB. Free memory was 143.8 MB in the beginning and 135.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2375.15 ms. Allocated memory was 198.7 MB in the beginning and 280.0 MB in the end (delta: 81.3 MB). Free memory was 135.6 MB in the beginning and 239.6 MB in the end (delta: -104.1 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3319.63 ms. Allocated memory was 280.0 MB in the beginning and 367.0 MB in the end (delta: 87.0 MB). Free memory was 239.6 MB in the beginning and 213.2 MB in the end (delta: 26.5 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1019]: 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 91 procedures, 603 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1568 SDtfs, 643 SDslu, 4474 SDs, 0 SdLazy, 323 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1273occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 68 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 780 NumberOfCodeBlocks, 780 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 774 ConstructedInterpolants, 0 QuantifiedInterpolants, 135798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 104/104 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...