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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec27_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:27:29,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:27:29,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:27:29,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:27:29,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:27:29,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:27:29,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:27:29,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:27:29,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:27:29,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:27:29,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:27:29,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:27:29,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:27:29,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:27:29,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:27:29,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:27:29,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:27:29,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:27:29,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:27:29,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:27:29,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:27:29,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:27:29,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:27:29,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:27:29,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:27:29,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:27:29,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:27:29,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:27:29,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:27:29,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:27:29,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:27:29,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:27:29,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:27:29,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:27:29,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:27:29,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:27:29,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:27:29,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:27:29,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:27:29,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:27:29,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:27:29,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:27:29,124 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:27:29,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:27:29,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:27:29,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:27:29,130 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:27:29,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:27:29,130 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:27:29,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:27:29,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:27:29,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:27:29,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:27:29,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:27:29,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:27:29,132 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:27:29,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:27:29,132 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:27:29,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:27:29,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:27:29,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:27:29,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:27:29,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:27:29,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:27:29,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:27:29,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:27:29,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:27:29,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:27:29,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:27:29,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:27:29,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:27:29,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:27:29,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:27:29,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:27:29,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:27:29,418 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:27:29,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product18.cil.c [2019-10-13 19:27:29,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68533c750/c524a20f31434a89bdcd56b1c311c8eb/FLAGea9c79e06 [2019-10-13 19:27:30,159 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:27:30,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product18.cil.c [2019-10-13 19:27:30,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68533c750/c524a20f31434a89bdcd56b1c311c8eb/FLAGea9c79e06 [2019-10-13 19:27:30,394 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68533c750/c524a20f31434a89bdcd56b1c311c8eb [2019-10-13 19:27:30,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:27:30,406 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:27:30,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:27:30,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:27:30,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:27:30,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:30" (1/1) ... [2019-10-13 19:27:30,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64daa632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:30, skipping insertion in model container [2019-10-13 19:27:30,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:30" (1/1) ... [2019-10-13 19:27:30,422 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:27:30,497 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:27:31,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:27:31,348 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:27:31,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:27:31,595 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:27:31,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:31 WrapperNode [2019-10-13 19:27:31,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:27:31,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:27:31,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:27:31,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:27:31,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:31" (1/1) ... [2019-10-13 19:27:31,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:31" (1/1) ... [2019-10-13 19:27:31,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:31" (1/1) ... [2019-10-13 19:27:31,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:31" (1/1) ... [2019-10-13 19:27:31,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:31" (1/1) ... [2019-10-13 19:27:31,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:31" (1/1) ... [2019-10-13 19:27:31,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:31" (1/1) ... [2019-10-13 19:27:31,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:27:31,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:27:31,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:27:31,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:27:31,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:31" (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 [2019-10-13 19:27:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:27:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:27:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:27:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 19:27:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 19:27:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 19:27:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 19:27:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 19:27:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 19:27:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 19:27:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 19:27:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:27:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:27:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 19:27:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 19:27:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 19:27:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 19:27:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 19:27:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 19:27:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 19:27:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 19:27:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 19:27:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 19:27:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:27:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:27:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:27:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:27:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:27:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:27:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 19:27:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 19:27:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 19:27:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 19:27:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 19:27:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 19:27:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 19:27:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 19:27:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 19:27:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 19:27:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 19:27:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 19:27:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 19:27:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 19:27:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 19:27:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 19:27:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 19:27:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 19:27:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 19:27:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 19:27:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 19:27:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 19:27:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 19:27:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 19:27:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 19:27:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 19:27:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 19:27:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 19:27:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 19:27:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-13 19:27:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-13 19:27:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 19:27:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 19:27:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 19:27:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 19:27:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 19:27:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 19:27:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 19:27:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 19:27:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 19:27:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 19:27:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 19:27:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 19:27:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 19:27:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 19:27:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 19:27:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 19:27:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 19:27:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 19:27:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 19:27:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 19:27:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 19:27:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 19:27:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 19:27:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 19:27:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 19:27:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 19:27:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:27:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 19:27:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 19:27:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 19:27:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 19:27:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-13 19:27:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 19:27:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 19:27:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 19:27:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 19:27:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 19:27:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 19:27:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 19:27:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 19:27:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 19:27:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 19:27:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 19:27:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 19:27:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 19:27:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-13 19:27:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:27:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:27:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:27:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:27:31,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:27:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:27:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:27:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:27:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 19:27:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 19:27:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 19:27:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 19:27:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 19:27:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 19:27:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 19:27:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 19:27:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 19:27:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:27:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:27:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:27:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 19:27:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 19:27:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 19:27:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 19:27:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 19:27:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 19:27:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 19:27:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 19:27:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 19:27:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 19:27:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 19:27:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:27:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:27:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:27:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 19:27:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 19:27:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 19:27:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 19:27:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 19:27:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 19:27:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 19:27:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 19:27:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 19:27:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 19:27:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 19:27:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 19:27:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 19:27:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:27:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:27:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:27:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:27:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:27:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:27:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:27:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:27:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:27:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:27:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:27:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:27:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:27:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:27:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:27:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:27:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:27:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 19:27:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 19:27:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 19:27:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 19:27:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 19:27:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 19:27:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 19:27:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 19:27:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 19:27:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 19:27:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 19:27:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 19:27:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 19:27:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 19:27:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 19:27:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 19:27:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 19:27:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 19:27:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 19:27:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 19:27:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 19:27:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 19:27:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 19:27:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 19:27:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 19:27:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 19:27:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 19:27:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 19:27:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 19:27:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 19:27:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 19:27:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 19:27:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 19:27:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-13 19:27:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-13 19:27:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 19:27:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 19:27:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 19:27:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 19:27:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 19:27:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 19:27:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 19:27:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 19:27:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 19:27:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 19:27:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 19:27:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 19:27:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 19:27:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 19:27:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 19:27:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 19:27:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 19:27:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 19:27:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 19:27:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 19:27:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 19:27:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 19:27:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 19:27:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 19:27:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-13 19:27:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-13 19:27:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 19:27:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:27:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:27:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:27:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:27:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:27:33,947 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:27:33,948 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 19:27:33,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:27:33 BoogieIcfgContainer [2019-10-13 19:27:33,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:27:33,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:27:33,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:27:33,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:27:33,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:27:30" (1/3) ... [2019-10-13 19:27:33,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76588077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:27:33, skipping insertion in model container [2019-10-13 19:27:33,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:31" (2/3) ... [2019-10-13 19:27:33,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76588077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:27:33, skipping insertion in model container [2019-10-13 19:27:33,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:27:33" (3/3) ... [2019-10-13 19:27:33,960 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product18.cil.c [2019-10-13 19:27:33,970 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:27:33,981 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:27:33,993 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:27:34,037 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:27:34,037 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:27:34,037 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:27:34,038 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:27:34,038 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:27:34,038 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:27:34,038 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:27:34,038 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:27:34,077 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states. [2019-10-13 19:27:34,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-13 19:27:34,110 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:27:34,112 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:27:34,115 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:27:34,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:27:34,122 INFO L82 PathProgramCache]: Analyzing trace with hash 4882894, now seen corresponding path program 1 times [2019-10-13 19:27:34,134 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:27:34,135 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63779649] [2019-10-13 19:27:34,136 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:27:34,137 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:27:34,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:27:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,534 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 541 [2019-10-13 19:27:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 19:27:37,047 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63779649] [2019-10-13 19:27:37,048 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:27:37,049 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:27:37,050 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770266431] [2019-10-13 19:27:37,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:27:37,060 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:27:37,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:27:37,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:27:37,078 INFO L87 Difference]: Start difference. First operand 484 states. Second operand 12 states. [2019-10-13 19:27:55,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:27:55,945 INFO L93 Difference]: Finished difference Result 1418 states and 2371 transitions. [2019-10-13 19:27:55,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2019-10-13 19:27:55,947 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 179 [2019-10-13 19:27:55,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:27:55,974 INFO L225 Difference]: With dead ends: 1418 [2019-10-13 19:27:55,975 INFO L226 Difference]: Without dead ends: 898 [2019-10-13 19:27:55,989 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2380 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=1215, Invalid=5427, Unknown=0, NotChecked=0, Total=6642 [2019-10-13 19:27:56,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2019-10-13 19:27:56,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 444. [2019-10-13 19:27:56,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2019-10-13 19:27:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 588 transitions. [2019-10-13 19:27:56,400 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 588 transitions. Word has length 179 [2019-10-13 19:27:56,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:27:56,403 INFO L462 AbstractCegarLoop]: Abstraction has 444 states and 588 transitions. [2019-10-13 19:27:56,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:27:56,403 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 588 transitions. [2019-10-13 19:27:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-10-13 19:27:56,415 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:27:56,415 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:27:56,416 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:27:56,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:27:56,417 INFO L82 PathProgramCache]: Analyzing trace with hash -372709569, now seen corresponding path program 1 times [2019-10-13 19:27:56,417 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:27:56,417 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942172027] [2019-10-13 19:27:56,417 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:27:56,417 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:27:56,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:27:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,030 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 541 [2019-10-13 19:27:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 19:27:58,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942172027] [2019-10-13 19:27:58,546 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:27:58,546 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:27:58,546 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668625974] [2019-10-13 19:27:58,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:27:58,559 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:27:58,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:27:58,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:27:58,566 INFO L87 Difference]: Start difference. First operand 444 states and 588 transitions. Second operand 13 states. [2019-10-13 19:28:02,799 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 544