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_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:50:55,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:50:55,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:50:55,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:50:55,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:50:55,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:50:55,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:50:55,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:50:55,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:50:55,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:50:55,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:50:55,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:50:55,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:50:55,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:50:55,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:50:55,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:50:55,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:50:55,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:50:55,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:50:55,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:50:55,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:50:55,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:50:55,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:50:55,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:50:55,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:50:55,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:50:55,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:50:55,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:50:55,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:50:55,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:50:55,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:50:55,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:50:55,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:50:55,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:50:55,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:50:55,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:50:55,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:50:55,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:50:55,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:50:55,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:50:55,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:50:55,888 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 02:50:55,910 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:50:55,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:50:55,910 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:50:55,911 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:50:55,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:50:55,912 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:50:55,912 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:50:55,912 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:50:55,913 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:50:55,913 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:50:55,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:50:55,914 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:50:55,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:50:55,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:50:55,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:50:55,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:50:55,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:50:55,916 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:50:55,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:50:55,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:50:55,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:50:55,917 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:50:55,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:50:55,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:50:55,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:50:55,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:50:55,918 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:50:55,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:50:55,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:50:55,919 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:50:55,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:50:55,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:50:55,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:50:55,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:50:55,975 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:50:55,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product35.cil.c [2019-10-03 02:50:56,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65d4f8012/a472ad77512f4a97a0bd9b09d9ee9e86/FLAGe7c2acce6 [2019-10-03 02:50:56,623 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:50:56,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product35.cil.c [2019-10-03 02:50:56,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65d4f8012/a472ad77512f4a97a0bd9b09d9ee9e86/FLAGe7c2acce6 [2019-10-03 02:50:56,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65d4f8012/a472ad77512f4a97a0bd9b09d9ee9e86 [2019-10-03 02:50:56,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:50:56,884 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:50:56,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:50:56,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:50:56,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:50:56,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:50:56" (1/1) ... [2019-10-03 02:50:56,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592a4aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:56, skipping insertion in model container [2019-10-03 02:50:56,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:50:56" (1/1) ... [2019-10-03 02:50:56,900 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:50:56,980 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:50:57,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:50:57,836 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:50:57,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:50:58,131 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:50:58,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:58 WrapperNode [2019-10-03 02:50:58,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:50:58,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:50:58,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:50:58,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:50:58,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:58" (1/1) ... [2019-10-03 02:50:58,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:58" (1/1) ... [2019-10-03 02:50:58,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:58" (1/1) ... [2019-10-03 02:50:58,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:58" (1/1) ... [2019-10-03 02:50:58,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:58" (1/1) ... [2019-10-03 02:50:58,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:58" (1/1) ... [2019-10-03 02:50:58,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:58" (1/1) ... [2019-10-03 02:50:58,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:50:58,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:50:58,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:50:58,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:50:58,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:58" (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 02:50:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:50:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:50:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:50:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:50:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:50:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:50:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:50:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:50:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:50:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:50:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:50:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:50:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:50:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:50:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:50:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:50:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:50:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:50:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:50:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:50:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:50:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:50:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:50:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:50:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:50:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:50:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:50:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:50:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:50:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:50:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:50:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:50:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:50:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:50:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:50:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:50:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:50:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:50:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:50:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:50:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:50:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:50:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:50:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:50:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:50:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:50:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:50:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:50:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:50:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:50:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:50:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:50:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:50:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-03 02:50:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:50:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:50:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:50:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:50:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:50:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:50:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:50:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:50:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:50:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:50:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:50:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:50:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:50:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:50:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:50:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:50:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:50:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:50:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:50:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:50:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:50:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:50:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:50:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:50:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:50:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:50:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:50:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:50:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:50:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:50:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:50:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:50:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:50:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:50:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:50:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:50:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:50:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:50:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:50:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:50:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:50:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:50:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:50:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:50:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:50:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:50:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:50:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:50:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:50:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:50:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:50:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:50:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:50:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:50:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:50:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:50:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:50:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:50:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:50:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:50:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:50:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:50:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:50:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:50:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:50:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:50:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:50:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:50:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:50:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:50:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:50:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:50:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:50:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:50:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:50:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:50:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:50:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:50:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:50:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:50:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:50:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:50:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:50:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:50:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:50:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:50:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:50:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:50:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:50:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:50:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:50:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:50:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:50:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:50:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:50:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:50:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:50:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:50:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:50:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:50:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:50:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:50:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:50:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:50:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:50:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:50:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:50:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:50:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:50:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:50:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:50:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:50:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:50:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:50:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:50:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:50:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:50:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:50:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:50:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:50:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:50:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:50:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-03 02:50:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:50:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:50:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:50:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:50:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:50:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:50:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:50:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:50:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:50:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:50:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:50:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:50:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:50:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:50:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:50:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:50:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:50:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:50:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:50:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:50:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:50:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:50:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:50:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:50:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:50:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:50:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:50:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:50:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:50:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:50:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:50:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:50:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:50:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:50:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:50:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:50:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:50:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:50:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:50:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:50:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:50:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:50:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:50:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:50:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:50:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:50:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:50:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:50:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:50:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:50:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:50:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:50:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:50:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:50:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:50:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:50:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:50:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:50:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:50:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:50:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:50:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:50:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:50:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:50:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:50:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:50:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:50:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:50:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:50:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:50:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:50:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:50:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:50:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:50:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:50:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:50:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:50:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:50:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:50:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:51:00,724 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:51:00,724 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:51:00,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:00 BoogieIcfgContainer [2019-10-03 02:51:00,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:51:00,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:51:00,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:51:00,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:51:00,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:50:56" (1/3) ... [2019-10-03 02:51:00,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488d1a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:00, skipping insertion in model container [2019-10-03 02:51:00,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:58" (2/3) ... [2019-10-03 02:51:00,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488d1a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:00, skipping insertion in model container [2019-10-03 02:51:00,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:00" (3/3) ... [2019-10-03 02:51:00,741 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product35.cil.c [2019-10-03 02:51:00,753 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:51:00,777 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:51:00,796 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:51:00,835 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:51:00,835 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:51:00,835 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:51:00,835 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:51:00,835 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:51:00,836 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:51:00,836 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:51:00,836 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:51:00,877 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states. [2019-10-03 02:51:00,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-10-03 02:51:00,925 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:00,927 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:51:00,931 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:00,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:00,938 INFO L82 PathProgramCache]: Analyzing trace with hash 425045218, now seen corresponding path program 1 times [2019-10-03 02:51:00,940 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:01,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:01,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:01,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:01,011 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:01,760 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-03 02:51:01,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:01,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:51:01,763 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:01,769 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:01,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:01,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:01,788 INFO L87 Difference]: Start difference. First operand 680 states. Second operand 2 states. [2019-10-03 02:51:01,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:01,853 INFO L93 Difference]: Finished difference Result 660 states and 892 transitions. [2019-10-03 02:51:01,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:01,854 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 227 [2019-10-03 02:51:01,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:01,888 INFO L225 Difference]: With dead ends: 660 [2019-10-03 02:51:01,889 INFO L226 Difference]: Without dead ends: 651 [2019-10-03 02:51:01,890 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 02:51:01,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2019-10-03 02:51:01,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 651. [2019-10-03 02:51:01,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2019-10-03 02:51:02,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 881 transitions. [2019-10-03 02:51:02,002 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 881 transitions. Word has length 227 [2019-10-03 02:51:02,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:02,005 INFO L475 AbstractCegarLoop]: Abstraction has 651 states and 881 transitions. [2019-10-03 02:51:02,005 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 881 transitions. [2019-10-03 02:51:02,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-03 02:51:02,012 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:02,012 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:51:02,012 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:02,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:02,013 INFO L82 PathProgramCache]: Analyzing trace with hash -953379524, now seen corresponding path program 1 times [2019-10-03 02:51:02,013 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:02,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:02,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:02,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:02,018 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:02,345 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-03 02:51:02,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:02,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:02,346 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:02,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:02,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:02,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:02,349 INFO L87 Difference]: Start difference. First operand 651 states and 881 transitions. Second operand 3 states. [2019-10-03 02:51:02,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:02,400 INFO L93 Difference]: Finished difference Result 654 states and 884 transitions. [2019-10-03 02:51:02,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:02,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2019-10-03 02:51:02,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:02,408 INFO L225 Difference]: With dead ends: 654 [2019-10-03 02:51:02,408 INFO L226 Difference]: Without dead ends: 654 [2019-10-03 02:51:02,409 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 02:51:02,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-10-03 02:51:02,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 653. [2019-10-03 02:51:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2019-10-03 02:51:02,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 883 transitions. [2019-10-03 02:51:02,456 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 883 transitions. Word has length 228 [2019-10-03 02:51:02,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:02,457 INFO L475 AbstractCegarLoop]: Abstraction has 653 states and 883 transitions. [2019-10-03 02:51:02,457 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 883 transitions. [2019-10-03 02:51:02,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-10-03 02:51:02,463 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:02,463 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:02,463 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:02,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:02,464 INFO L82 PathProgramCache]: Analyzing trace with hash 416765675, now seen corresponding path program 1 times [2019-10-03 02:51:02,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:02,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:02,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:02,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:02,469 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:02,656 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-03 02:51:02,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:02,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:02,657 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:02,660 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:02,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:02,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:02,662 INFO L87 Difference]: Start difference. First operand 653 states and 883 transitions. Second operand 3 states. [2019-10-03 02:51:02,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:02,700 INFO L93 Difference]: Finished difference Result 698 states and 959 transitions. [2019-10-03 02:51:02,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:02,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2019-10-03 02:51:02,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:02,710 INFO L225 Difference]: With dead ends: 698 [2019-10-03 02:51:02,710 INFO L226 Difference]: Without dead ends: 698 [2019-10-03 02:51:02,710 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 02:51:02,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2019-10-03 02:51:02,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 697. [2019-10-03 02:51:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2019-10-03 02:51:02,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 958 transitions. [2019-10-03 02:51:02,762 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 958 transitions. Word has length 240 [2019-10-03 02:51:02,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:02,765 INFO L475 AbstractCegarLoop]: Abstraction has 697 states and 958 transitions. [2019-10-03 02:51:02,765 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 958 transitions. [2019-10-03 02:51:02,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-10-03 02:51:02,777 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:02,778 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:02,778 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:02,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:02,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1867683247, now seen corresponding path program 1 times [2019-10-03 02:51:02,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:02,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:02,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:02,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:02,786 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-03 02:51:03,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:03,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:03,047 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:03,048 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:03,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:03,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:03,049 INFO L87 Difference]: Start difference. First operand 697 states and 958 transitions. Second operand 3 states. [2019-10-03 02:51:03,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:03,084 INFO L93 Difference]: Finished difference Result 783 states and 1103 transitions. [2019-10-03 02:51:03,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:03,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2019-10-03 02:51:03,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:03,093 INFO L225 Difference]: With dead ends: 783 [2019-10-03 02:51:03,093 INFO L226 Difference]: Without dead ends: 783 [2019-10-03 02:51:03,094 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 02:51:03,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-10-03 02:51:03,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 782. [2019-10-03 02:51:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2019-10-03 02:51:03,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1102 transitions. [2019-10-03 02:51:03,124 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1102 transitions. Word has length 241 [2019-10-03 02:51:03,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:03,124 INFO L475 AbstractCegarLoop]: Abstraction has 782 states and 1102 transitions. [2019-10-03 02:51:03,124 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:03,125 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1102 transitions. [2019-10-03 02:51:03,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-10-03 02:51:03,130 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:03,131 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:03,131 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:03,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:03,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1661984966, now seen corresponding path program 1 times [2019-10-03 02:51:03,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:03,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:03,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:03,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:03,136 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-03 02:51:03,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:03,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-10-03 02:51:03,841 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:03,842 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-03 02:51:03,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-03 02:51:03,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:51:03,844 INFO L87 Difference]: Start difference. First operand 782 states and 1102 transitions. Second operand 19 states. [2019-10-03 02:51:10,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:10,404 INFO L93 Difference]: Finished difference Result 2299 states and 3257 transitions. [2019-10-03 02:51:10,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-10-03 02:51:10,405 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 244 [2019-10-03 02:51:10,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:10,426 INFO L225 Difference]: With dead ends: 2299 [2019-10-03 02:51:10,426 INFO L226 Difference]: Without dead ends: 2299 [2019-10-03 02:51:10,429 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=287, Invalid=2683, Unknown=0, NotChecked=0, Total=2970 [2019-10-03 02:51:10,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2299 states. [2019-10-03 02:51:10,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2299 to 2262. [2019-10-03 02:51:10,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2262 states. [2019-10-03 02:51:10,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3204 transitions. [2019-10-03 02:51:10,564 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3204 transitions. Word has length 244 [2019-10-03 02:51:10,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:10,565 INFO L475 AbstractCegarLoop]: Abstraction has 2262 states and 3204 transitions. [2019-10-03 02:51:10,565 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-03 02:51:10,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3204 transitions. [2019-10-03 02:51:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-10-03 02:51:10,575 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:10,575 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:10,576 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:10,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:10,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1677626999, now seen corresponding path program 1 times [2019-10-03 02:51:10,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:10,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:10,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:10,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:10,582 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:11,019 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-03 02:51:11,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:11,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-10-03 02:51:11,020 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:11,021 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-03 02:51:11,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-03 02:51:11,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2019-10-03 02:51:11,022 INFO L87 Difference]: Start difference. First operand 2262 states and 3204 transitions. Second operand 18 states. [2019-10-03 02:51:11,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:11,615 INFO L93 Difference]: Finished difference Result 2460 states and 3502 transitions. [2019-10-03 02:51:11,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-03 02:51:11,616 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 245 [2019-10-03 02:51:11,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:11,639 INFO L225 Difference]: With dead ends: 2460 [2019-10-03 02:51:11,642 INFO L226 Difference]: Without dead ends: 2444 [2019-10-03 02:51:11,643 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2019-10-03 02:51:11,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2444 states. [2019-10-03 02:51:11,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2444 to 2444. [2019-10-03 02:51:11,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2444 states. [2019-10-03 02:51:11,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3473 transitions. [2019-10-03 02:51:11,758 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3473 transitions. Word has length 245 [2019-10-03 02:51:11,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:11,760 INFO L475 AbstractCegarLoop]: Abstraction has 2444 states and 3473 transitions. [2019-10-03 02:51:11,760 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-03 02:51:11,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3473 transitions. [2019-10-03 02:51:11,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-10-03 02:51:11,815 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:11,816 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:11,816 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:11,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:11,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1407477613, now seen corresponding path program 1 times [2019-10-03 02:51:11,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:11,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:11,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:11,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:11,822 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-03 02:51:12,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:12,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-10-03 02:51:12,154 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:12,154 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-03 02:51:12,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-03 02:51:12,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-03 02:51:12,155 INFO L87 Difference]: Start difference. First operand 2444 states and 3473 transitions. Second operand 15 states. [2019-10-03 02:51:16,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:16,724 INFO L93 Difference]: Finished difference Result 2544 states and 3626 transitions. [2019-10-03 02:51:16,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-10-03 02:51:16,725 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 245 [2019-10-03 02:51:16,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:16,743 INFO L225 Difference]: With dead ends: 2544 [2019-10-03 02:51:16,743 INFO L226 Difference]: Without dead ends: 2544 [2019-10-03 02:51:16,744 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=229, Invalid=1933, Unknown=0, NotChecked=0, Total=2162 [2019-10-03 02:51:16,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2019-10-03 02:51:16,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2514. [2019-10-03 02:51:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2514 states. [2019-10-03 02:51:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3589 transitions. [2019-10-03 02:51:16,836 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3589 transitions. Word has length 245 [2019-10-03 02:51:16,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:16,837 INFO L475 AbstractCegarLoop]: Abstraction has 2514 states and 3589 transitions. [2019-10-03 02:51:16,837 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-03 02:51:16,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3589 transitions. [2019-10-03 02:51:16,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-10-03 02:51:16,845 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:16,845 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:16,846 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:16,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:16,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1698334284, now seen corresponding path program 1 times [2019-10-03 02:51:16,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:16,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:16,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:16,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:16,851 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-03 02:51:17,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:17,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:51:17,222 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:17,223 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:51:17,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:51:17,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:51:17,224 INFO L87 Difference]: Start difference. First operand 2514 states and 3589 transitions. Second operand 5 states. [2019-10-03 02:51:18,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:18,903 INFO L93 Difference]: Finished difference Result 5415 states and 7778 transitions. [2019-10-03 02:51:18,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:51:18,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 245 [2019-10-03 02:51:18,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:18,939 INFO L225 Difference]: With dead ends: 5415 [2019-10-03 02:51:18,939 INFO L226 Difference]: Without dead ends: 5415 [2019-10-03 02:51:18,939 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:51:18,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5415 states. [2019-10-03 02:51:19,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5415 to 5397. [2019-10-03 02:51:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5397 states. [2019-10-03 02:51:19,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5397 states to 5397 states and 7750 transitions. [2019-10-03 02:51:19,177 INFO L78 Accepts]: Start accepts. Automaton has 5397 states and 7750 transitions. Word has length 245 [2019-10-03 02:51:19,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:19,178 INFO L475 AbstractCegarLoop]: Abstraction has 5397 states and 7750 transitions. [2019-10-03 02:51:19,178 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:51:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 5397 states and 7750 transitions. [2019-10-03 02:51:19,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-10-03 02:51:19,197 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:19,197 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:19,197 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:19,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:19,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1684084139, now seen corresponding path program 1 times [2019-10-03 02:51:19,198 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:19,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:19,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:19,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:19,205 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-03 02:51:19,567 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:51:19,567 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:51:19,569 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 246 with the following transitions: [2019-10-03 02:51:19,571 INFO L207 CegarAbsIntRunner]: [44], [85], [88], [98], [116], [119], [129], [130], [159], [162], [163], [164], [166], [276], [278], [282], [285], [286], [287], [290], [296], [318], [321], [324], [332], [334], [336], [343], [347], [349], [350], [353], [362], [373], [375], [378], [382], [383], [385], [386], [389], [399], [400], [401], [412], [414], [419], [439], [441], [453], [475], [477], [497], [670], [672], [673], [674], [712], [715], [729], [768], [770], [773], [774], [785], [787], [790], [794], [818], [822], [825], [833], [836], [854], [876], [878], [903], [909], [918], [922], [924], [926], [929], [936], [943], [946], [948], [1086], [1088], [1105], [1109], [1112], [1126], [1234], [1306], [1310], [1321], [1324], [1325], [1328], [1332], [1336], [1362], [1365], [1367], [1436], [1439], [1445], [1446], [1449], [1459], [1480], [1483], [1497], [1503], [1506], [1515], [1709], [1711], [1713], [1715], [1716], [1728], [1752], [1762], [1763], [1764], [1765], [1766], [1767], [1770], [1771], [1772], [1773], [1774], [1776], [1777], [1778], [1779], [1786], [1787], [1788], [1789], [1790], [1792], [1793], [1794], [1795], [1800], [1802], [1803], [1808], [1809], [1812], [1813], [1818], [1819], [1820], [1822], [1823], [1836], [1837], [1838], [1839], [1840], [1862], [1863], [1878], [1879], [1880], [1882], [1883], [1888], [1889], [1890], [1891], [1892], [1893], [1894], [1895], [1896], [1898], [1899], [1900], [1901], [1916], [1924], [1925], [1936], [1942], [1943], [1962], [1964], [1965], [1982], [1984], [1985], [1986], [1988], [1989], [1990], [1991], [1992], [1993], [1994], [2014], [2015], [2016], [2017], [2018], [2019], [2020], [2021], [2022] [2019-10-03 02:51:19,636 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:51:19,637 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:51:19,837 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:51:19,839 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 297 root evaluator evaluations with a maximum evaluation depth of 0. Performed 297 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 384 variables. [2019-10-03 02:51:19,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:19,846 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:51:20,011 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:51:20,012 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:51:20,023 INFO L420 sIntCurrentIteration]: We unified 244 AI predicates to 244 [2019-10-03 02:51:20,023 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:51:20,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:51:20,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-10-03 02:51:20,025 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:20,026 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:20,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:20,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:20,027 INFO L87 Difference]: Start difference. First operand 5397 states and 7750 transitions. Second operand 2 states. [2019-10-03 02:51:20,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:20,028 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:51:20,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:20,028 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 245 [2019-10-03 02:51:20,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:20,028 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:51:20,028 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:51:20,029 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 244 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 02:51:20,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:51:20,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:51:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:51:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:51:20,030 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2019-10-03 02:51:20,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:20,030 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:51:20,030 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:51:20,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:51:20,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:51:20 BoogieIcfgContainer [2019-10-03 02:51:20,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:51:20,040 INFO L168 Benchmark]: Toolchain (without parser) took 23154.83 ms. Allocated memory was 137.9 MB in the beginning and 673.7 MB in the end (delta: 535.8 MB). Free memory was 82.5 MB in the beginning and 557.5 MB in the end (delta: -475.0 MB). Peak memory consumption was 60.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:20,041 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:51:20,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1249.05 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 82.5 MB in the beginning and 126.3 MB in the end (delta: -43.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:20,045 INFO L168 Benchmark]: Boogie Preprocessor took 214.26 ms. Allocated memory is still 201.9 MB. Free memory was 126.3 MB in the beginning and 116.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:20,046 INFO L168 Benchmark]: RCFGBuilder took 2378.14 ms. Allocated memory was 201.9 MB in the beginning and 265.8 MB in the end (delta: 64.0 MB). Free memory was 116.6 MB in the beginning and 141.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:20,053 INFO L168 Benchmark]: TraceAbstraction took 19308.48 ms. Allocated memory was 265.8 MB in the beginning and 673.7 MB in the end (delta: 407.9 MB). Free memory was 141.0 MB in the beginning and 557.5 MB in the end (delta: -416.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:51:20,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1249.05 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 82.5 MB in the beginning and 126.3 MB in the end (delta: -43.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 214.26 ms. Allocated memory is still 201.9 MB. Free memory was 126.3 MB in the beginning and 116.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2378.14 ms. Allocated memory was 201.9 MB in the beginning and 265.8 MB in the end (delta: 64.0 MB). Free memory was 116.6 MB in the beginning and 141.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19308.48 ms. Allocated memory was 265.8 MB in the beginning and 673.7 MB in the end (delta: 407.9 MB). Free memory was 141.0 MB in the beginning and 557.5 MB in the end (delta: -416.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2761]: 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 121 procedures, 839 locations, 1 error locations. SAFE Result, 19.2s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 13.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9029 SDtfs, 6045 SDslu, 56365 SDs, 0 SdLazy, 8443 SolverSat, 1158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5397occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.098360655737705 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 88 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2160 NumberOfCodeBlocks, 2160 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2151 ConstructedInterpolants, 0 QuantifiedInterpolants, 679838 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 418/424 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...