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_spec8_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:55:08,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:55:08,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:55:08,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:55:08,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:55:08,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:55:08,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:55:08,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:55:08,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:55:08,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:55:08,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:55:08,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:55:08,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:55:08,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:55:08,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:55:08,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:55:08,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:55:08,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:55:08,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:55:08,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:55:08,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:55:08,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:55:08,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:55:08,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:55:08,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:55:08,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:55:08,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:55:08,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:55:08,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:55:08,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:55:08,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:55:08,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:55:08,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:55:08,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:55:08,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:55:08,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:55:08,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:55:08,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:55:08,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:55:08,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:55:08,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:55:08,883 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 02:55:08,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:55:08,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:55:08,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:55:08,899 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:55:08,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:55:08,900 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:55:08,900 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:55:08,900 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:55:08,900 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:55:08,900 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:55:08,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:55:08,901 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:55:08,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:55:08,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:55:08,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:55:08,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:55:08,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:55:08,903 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:55:08,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:55:08,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:55:08,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:55:08,903 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:55:08,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:55:08,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:08,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:55:08,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:55:08,904 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:55:08,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:55:08,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:55:08,905 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:55:08,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:55:08,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:55:08,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:55:08,955 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:55:08,955 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:55:08,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product12.cil.c [2019-10-03 02:55:09,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cf3caf90/c021890b1ad04289a66140899c5f2151/FLAG83bf70506 [2019-10-03 02:55:09,706 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:55:09,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product12.cil.c [2019-10-03 02:55:09,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cf3caf90/c021890b1ad04289a66140899c5f2151/FLAG83bf70506 [2019-10-03 02:55:09,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cf3caf90/c021890b1ad04289a66140899c5f2151 [2019-10-03 02:55:09,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:55:09,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:55:09,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:09,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:55:09,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:55:09,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:09" (1/1) ... [2019-10-03 02:55:09,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d01eef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:09, skipping insertion in model container [2019-10-03 02:55:09,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:09" (1/1) ... [2019-10-03 02:55:09,955 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:55:10,038 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:55:10,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:10,929 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:55:11,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:11,110 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:55:11,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:11 WrapperNode [2019-10-03 02:55:11,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:11,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:55:11,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:55:11,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:55:11,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:11" (1/1) ... [2019-10-03 02:55:11,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:11" (1/1) ... [2019-10-03 02:55:11,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:11" (1/1) ... [2019-10-03 02:55:11,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:11" (1/1) ... [2019-10-03 02:55:11,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:11" (1/1) ... [2019-10-03 02:55:11,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:11" (1/1) ... [2019-10-03 02:55:11,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:11" (1/1) ... [2019-10-03 02:55:11,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:55:11,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:55:11,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:55:11,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:55:11,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:11" (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 02:55:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:55:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:55:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:55:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:55:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:55:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:55:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:55:11,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:11,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:55:11,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:11,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:55:11,346 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:55:11,346 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:55:11,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:55:11,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:55:11,347 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:55:11,347 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:55:11,347 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:55:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:55:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:55:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:55:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:55:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:55:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:55:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:55:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:55:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:55:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:55:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:55:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:55:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:55:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:55:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:55:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:55:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:55:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:55:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:55:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:55:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:55:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:55:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:55:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:55:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:55:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:55:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:55:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:55:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:55:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:55:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:55:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:55:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:55:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:55:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:55:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:55:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:55:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:55:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:55:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:55:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:55:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:55:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:55:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:55:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:55:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:55:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:55:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:55:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:55:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:55:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:55:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:55:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:55:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:55:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:55:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:55:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:55:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:55:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:55:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:55:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:55:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:55:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:55:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:55:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:55:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:55:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:55:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:55:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:55:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:55:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:55:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:55:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:55:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:55:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:55:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:55:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:55:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:55:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:55:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:55:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:55:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:55:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:55:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:55:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:55:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:55:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:55:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:55:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:55:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:55:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:55:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:55:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:55:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:55:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:55:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:55:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:55:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:55:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:55:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:55:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:55:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:55:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:55:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:55:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:55:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:55:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:55:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:55:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:55:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:55:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:55:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:55:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:55:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:55:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:55:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:55:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:55:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:55:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:55:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:55:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:55:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:55:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:55:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:55:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:55:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:55:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:55:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:55:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:55:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:55:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:55:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:55:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:55:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:55:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:55:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:55:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:55:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:55:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:55:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:55:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:55:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:55:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:55:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:55:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:55:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:55:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:55:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:55:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:55:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:55:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:55:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:55:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:55:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:55:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:55:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:55:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:55:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:55:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:55:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:55:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:55:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:55:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:55:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:55:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:55:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:55:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:55:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:55:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:55:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:55:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:55:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:55:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:55:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:55:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:55:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:55:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:55:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:55:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:55:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:55:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:55:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:55:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:55:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:55:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:55:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:55:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:55:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:55:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:55:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:55:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:55:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:55:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:55:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:55:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:55:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:55:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:55:13,644 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:55:13,645 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:55:13,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:13 BoogieIcfgContainer [2019-10-03 02:55:13,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:55:13,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:55:13,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:55:13,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:55:13,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:55:09" (1/3) ... [2019-10-03 02:55:13,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320d62b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:13, skipping insertion in model container [2019-10-03 02:55:13,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:11" (2/3) ... [2019-10-03 02:55:13,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320d62b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:13, skipping insertion in model container [2019-10-03 02:55:13,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:13" (3/3) ... [2019-10-03 02:55:13,656 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product12.cil.c [2019-10-03 02:55:13,666 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:55:13,676 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:55:13,694 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:55:13,723 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:55:13,723 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:55:13,723 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:55:13,724 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:55:13,724 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:55:13,724 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:55:13,724 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:55:13,724 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:55:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states. [2019-10-03 02:55:13,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-03 02:55:13,775 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:13,776 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:13,779 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:13,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:13,784 INFO L82 PathProgramCache]: Analyzing trace with hash 469498935, now seen corresponding path program 1 times [2019-10-03 02:55:13,787 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:13,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:13,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:13,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:13,855 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:14,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:14,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:55:14,419 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:14,426 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:14,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:14,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:14,445 INFO L87 Difference]: Start difference. First operand 428 states. Second operand 2 states. [2019-10-03 02:55:14,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:14,498 INFO L93 Difference]: Finished difference Result 392 states and 525 transitions. [2019-10-03 02:55:14,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:14,500 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-10-03 02:55:14,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:14,523 INFO L225 Difference]: With dead ends: 392 [2019-10-03 02:55:14,523 INFO L226 Difference]: Without dead ends: 383 [2019-10-03 02:55:14,526 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 02:55:14,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-10-03 02:55:14,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2019-10-03 02:55:14,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-10-03 02:55:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 514 transitions. [2019-10-03 02:55:14,647 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 514 transitions. Word has length 145 [2019-10-03 02:55:14,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:14,650 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 514 transitions. [2019-10-03 02:55:14,650 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 514 transitions. [2019-10-03 02:55:14,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-03 02:55:14,656 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:14,657 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:14,657 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:14,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:14,658 INFO L82 PathProgramCache]: Analyzing trace with hash 312738911, now seen corresponding path program 1 times [2019-10-03 02:55:14,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:14,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:14,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:14,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:14,664 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:14,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:14,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:14,941 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:14,946 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:14,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:14,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:14,948 INFO L87 Difference]: Start difference. First operand 383 states and 514 transitions. Second operand 3 states. [2019-10-03 02:55:15,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:15,005 INFO L93 Difference]: Finished difference Result 386 states and 517 transitions. [2019-10-03 02:55:15,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:15,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-03 02:55:15,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:15,011 INFO L225 Difference]: With dead ends: 386 [2019-10-03 02:55:15,011 INFO L226 Difference]: Without dead ends: 386 [2019-10-03 02:55:15,012 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 02:55:15,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-10-03 02:55:15,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 385. [2019-10-03 02:55:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-10-03 02:55:15,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 516 transitions. [2019-10-03 02:55:15,043 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 516 transitions. Word has length 146 [2019-10-03 02:55:15,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:15,044 INFO L475 AbstractCegarLoop]: Abstraction has 385 states and 516 transitions. [2019-10-03 02:55:15,044 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:15,044 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 516 transitions. [2019-10-03 02:55:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-03 02:55:15,052 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:15,052 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:15,052 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:15,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:15,053 INFO L82 PathProgramCache]: Analyzing trace with hash 19675627, now seen corresponding path program 1 times [2019-10-03 02:55:15,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:15,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:15,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:15,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:15,058 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:15,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:15,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:15,252 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:15,253 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:15,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:15,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:15,254 INFO L87 Difference]: Start difference. First operand 385 states and 516 transitions. Second operand 3 states. [2019-10-03 02:55:15,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:15,290 INFO L93 Difference]: Finished difference Result 424 states and 583 transitions. [2019-10-03 02:55:15,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:15,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-10-03 02:55:15,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:15,296 INFO L225 Difference]: With dead ends: 424 [2019-10-03 02:55:15,296 INFO L226 Difference]: Without dead ends: 424 [2019-10-03 02:55:15,297 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 02:55:15,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2019-10-03 02:55:15,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2019-10-03 02:55:15,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2019-10-03 02:55:15,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 582 transitions. [2019-10-03 02:55:15,333 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 582 transitions. Word has length 152 [2019-10-03 02:55:15,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:15,333 INFO L475 AbstractCegarLoop]: Abstraction has 423 states and 582 transitions. [2019-10-03 02:55:15,334 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:15,334 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 582 transitions. [2019-10-03 02:55:15,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-03 02:55:15,339 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:15,339 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:15,340 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:15,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:15,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1390914625, now seen corresponding path program 1 times [2019-10-03 02:55:15,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:15,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:15,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:15,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:15,346 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:55:15,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:15,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:15,576 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:15,577 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:15,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:15,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:15,578 INFO L87 Difference]: Start difference. First operand 423 states and 582 transitions. Second operand 3 states. [2019-10-03 02:55:15,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:15,603 INFO L93 Difference]: Finished difference Result 495 states and 683 transitions. [2019-10-03 02:55:15,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:15,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-03 02:55:15,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:15,608 INFO L225 Difference]: With dead ends: 495 [2019-10-03 02:55:15,608 INFO L226 Difference]: Without dead ends: 484 [2019-10-03 02:55:15,608 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 02:55:15,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2019-10-03 02:55:15,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2019-10-03 02:55:15,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-10-03 02:55:15,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 664 transitions. [2019-10-03 02:55:15,630 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 664 transitions. Word has length 153 [2019-10-03 02:55:15,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:15,631 INFO L475 AbstractCegarLoop]: Abstraction has 484 states and 664 transitions. [2019-10-03 02:55:15,631 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:15,632 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 664 transitions. [2019-10-03 02:55:15,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-03 02:55:15,637 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:15,637 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-03 02:55:15,637 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:15,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:15,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1588169878, now seen corresponding path program 1 times [2019-10-03 02:55:15,638 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:15,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:15,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:15,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:15,642 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-10-03 02:55:16,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:55:16,269 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:55:16,271 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2019-10-03 02:55:16,284 INFO L207 CegarAbsIntRunner]: [29], [30], [72], [75], [85], [110], [113], [118], [120], [122], [126], [129], [143], [144], [146], [256], [258], [261], [262], [265], [266], [267], [270], [276], [277], [278], [300], [302], [303], [306], [315], [336], [338], [339], [342], [352], [353], [354], [381], [384], [386], [391], [395], [397], [411], [413], [414], [586], [588], [589], [590], [626], [629], [643], [672], [673], [684], [686], [688], [690], [714], [718], [721], [739], [742], [767], [770], [795], [798], [801], [810], [814], [816], [818], [821], [828], [835], [838], [1097], [1151], [1153], [1155], [1162], [1165], [1184], [1195], [1198], [1199], [1202], [1205], [1236], [1237], [1239], [1241], [1308], [1311], [1317], [1352], [1355], [1369], [1377], [1380], [1389], [1403], [1404], [1578], [1580], [1582], [1584], [1585], [1607], [1608], [1609], [1610], [1611], [1612], [1613], [1614], [1615], [1617], [1618], [1619], [1620], [1621], [1622], [1625], [1626], [1627], [1628], [1629], [1630], [1631], [1632], [1633], [1634], [1641], [1642], [1651], [1652], [1657], [1658], [1659], [1661], [1662], [1679], [1680], [1693], [1694], [1695], [1696], [1697], [1698], [1699], [1700], [1701], [1702], [1703], [1704], [1705], [1706], [1707], [1709], [1710], [1711], [1712], [1721], [1722], [1723], [1724], [1735], [1736], [1755], [1757], [1758], [1759], [1760], [1765], [1766], [1767], [1768], [1769], [1770], [1771], [1772], [1773], [1774], [1787], [1788], [1789], [1790], [1791], [1792], [1793], [1794], [1795] [2019-10-03 02:55:16,374 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:55:16,375 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:55:16,675 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:55:16,676 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 190 root evaluator evaluations with a maximum evaluation depth of 0. Performed 190 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 370 variables. [2019-10-03 02:55:16,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:16,680 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:55:16,793 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:55:16,794 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:55:16,803 INFO L420 sIntCurrentIteration]: We unified 248 AI predicates to 248 [2019-10-03 02:55:16,803 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:55:16,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:55:16,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [21] total 21 [2019-10-03 02:55:16,806 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:16,807 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:16,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:16,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:16,810 INFO L87 Difference]: Start difference. First operand 484 states and 664 transitions. Second operand 2 states. [2019-10-03 02:55:16,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:16,810 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:55:16,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:16,811 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 249 [2019-10-03 02:55:16,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:16,811 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:55:16,811 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:55:16,812 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 248 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 02:55:16,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:55:16,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:55:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:55:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:55:16,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2019-10-03 02:55:16,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:16,814 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:55:16,814 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:55:16,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:55:16,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:55:16 BoogieIcfgContainer [2019-10-03 02:55:16,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:55:16,824 INFO L168 Benchmark]: Toolchain (without parser) took 6886.48 ms. Allocated memory was 134.2 MB in the beginning and 329.8 MB in the end (delta: 195.6 MB). Free memory was 86.0 MB in the beginning and 259.7 MB in the end (delta: -173.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:16,825 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:55:16,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1174.07 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 85.6 MB in the beginning and 137.9 MB in the end (delta: -52.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:16,829 INFO L168 Benchmark]: Boogie Preprocessor took 152.99 ms. Allocated memory is still 201.3 MB. Free memory was 137.9 MB in the beginning and 129.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:16,831 INFO L168 Benchmark]: RCFGBuilder took 2381.80 ms. Allocated memory was 201.3 MB in the beginning and 261.6 MB in the end (delta: 60.3 MB). Free memory was 129.0 MB in the beginning and 167.7 MB in the end (delta: -38.8 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:16,832 INFO L168 Benchmark]: TraceAbstraction took 3172.56 ms. Allocated memory was 261.6 MB in the beginning and 329.8 MB in the end (delta: 68.2 MB). Free memory was 165.7 MB in the beginning and 259.7 MB in the end (delta: -94.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:55:16,841 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 134.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1174.07 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 85.6 MB in the beginning and 137.9 MB in the end (delta: -52.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.99 ms. Allocated memory is still 201.3 MB. Free memory was 137.9 MB in the beginning and 129.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2381.80 ms. Allocated memory was 201.3 MB in the beginning and 261.6 MB in the end (delta: 60.3 MB). Free memory was 129.0 MB in the beginning and 167.7 MB in the end (delta: -38.8 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3172.56 ms. Allocated memory was 261.6 MB in the beginning and 329.8 MB in the end (delta: 68.2 MB). Free memory was 165.7 MB in the beginning and 259.7 MB in the end (delta: -94.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 747]: 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 107 procedures, 725 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2087 SDtfs, 435 SDslu, 1202 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=484occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.9556451612903225 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 845 NumberOfCodeBlocks, 845 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 840 ConstructedInterpolants, 0 QuantifiedInterpolants, 199302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 187/195 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...