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_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:41:08,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:41:08,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:41:08,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:41:08,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:41:08,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:41:08,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:41:08,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:41:08,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:41:08,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:41:08,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:41:08,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:41:08,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:41:08,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:41:08,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:41:08,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:41:08,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:41:08,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:41:08,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:41:08,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:41:08,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:41:08,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:41:08,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:41:08,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:41:08,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:41:08,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:41:08,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:41:08,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:41:08,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:41:08,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:41:08,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:41:08,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:41:08,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:41:08,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:41:08,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:41:08,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:41:08,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:41:08,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:41:08,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:41:08,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:41:08,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:41:08,103 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:41:08,124 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:41:08,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:41:08,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:41:08,125 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:41:08,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:41:08,126 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:41:08,126 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:41:08,126 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:41:08,126 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:41:08,127 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:41:08,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:41:08,127 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:41:08,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:41:08,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:41:08,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:41:08,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:41:08,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:41:08,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:41:08,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:41:08,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:41:08,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:41:08,131 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:41:08,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:41:08,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:41:08,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:41:08,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:41:08,132 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:41:08,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:41:08,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:41:08,132 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:41:08,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:41:08,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:41:08,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:41:08,194 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:41:08,195 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:41:08,201 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product33.cil.c [2019-09-10 02:41:08,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e7fc0612/4738a74ef6234a56a5019b020ee9af3b/FLAGe6d68d2e9 [2019-09-10 02:41:08,862 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:41:08,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product33.cil.c [2019-09-10 02:41:08,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e7fc0612/4738a74ef6234a56a5019b020ee9af3b/FLAGe6d68d2e9 [2019-09-10 02:41:09,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e7fc0612/4738a74ef6234a56a5019b020ee9af3b [2019-09-10 02:41:09,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:41:09,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:41:09,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:41:09,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:41:09,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:41:09,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:41:09" (1/1) ... [2019-09-10 02:41:09,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7096e030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:09, skipping insertion in model container [2019-09-10 02:41:09,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:41:09" (1/1) ... [2019-09-10 02:41:09,090 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:41:09,170 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:41:09,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:41:09,931 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:41:10,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:41:10,183 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:41:10,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:10 WrapperNode [2019-09-10 02:41:10,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:41:10,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:41:10,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:41:10,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:41:10,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:10" (1/1) ... [2019-09-10 02:41:10,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:10" (1/1) ... [2019-09-10 02:41:10,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:10" (1/1) ... [2019-09-10 02:41:10,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:10" (1/1) ... [2019-09-10 02:41:10,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:10" (1/1) ... [2019-09-10 02:41:10,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:10" (1/1) ... [2019-09-10 02:41:10,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:10" (1/1) ... [2019-09-10 02:41:10,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:41:10,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:41:10,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:41:10,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:41:10,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:41:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:41:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:41:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:41:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:41:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:41:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:41:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:41:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:41:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:41:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:41:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:41:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:41:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:41:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:41:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:41:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:41:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:41:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:41:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:41:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:41:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:41:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:41:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:41:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:41:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:41:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:41:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:41:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:41:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:41:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:41:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:41:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:41:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:41:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:41:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:41:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:41:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:41:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:41:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:41:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:41:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:41:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:41:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:41:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:41:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:41:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:41:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:41:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:41:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:41:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:41:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:41:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:41:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:41:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:41:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:41:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:41:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:41:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:41:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:41:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:41:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:41:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:41:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:41:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:41:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:41:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:41:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:41:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:41:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:41:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:41:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:41:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:41:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:41:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:41:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:41:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:41:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:41:10,494 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:41:10,494 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:41:10,494 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-09-10 02:41:10,494 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:41:10,494 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:41:10,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:41:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:41:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:41:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:41:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:41:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:41:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:41:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:41:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:41:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:41:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:41:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:41:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:41:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:41:10,497 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:41:10,497 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:41:10,497 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-10 02:41:10,497 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:41:10,497 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:41:10,497 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:41:10,497 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:41:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:41:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:41:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:41:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:41:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:41:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:41:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:41:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:41:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:41:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:41:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:41:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:41:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:41:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-09-10 02:41:10,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-09-10 02:41:10,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:41:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:41:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:41:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:41:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:41:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:41:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:41:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:41:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:41:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:41:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:41:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:41:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:41:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:41:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:41:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:41:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:41:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:41:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:41:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:41:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:41:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:41:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:41:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:41:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:41:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:41:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:41:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:41:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:41:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:41:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:41:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:41:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:41:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:41:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:41:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:41:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:41:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:41:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:41:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:41:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:41:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:41:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:41:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:41:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:41:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:41:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:41:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:41:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:41:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:41:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:41:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:41:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:41:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:41:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:41:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:41:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:41:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:41:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:41:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:41:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:41:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:41:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:41:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:41:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:41:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:41:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:41:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:41:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:41:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:41:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:41:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:41:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:41:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:41:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:41:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:41:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:41:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:41:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:41:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:41:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:41:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:41:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:41:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:41:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:41:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:41:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:41:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-09-10 02:41:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:41:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:41:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:41:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:41:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:41:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:41:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:41:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:41:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:41:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:41:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:41:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:41:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:41:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:41:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:41:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:41:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:41:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:41:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:41:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:41:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:41:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:41:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:41:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:41:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:41:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:41:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:41:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:41:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-09-10 02:41:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:41:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:41:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-10 02:41:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:41:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:41:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:41:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-09-10 02:41:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:41:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:41:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:41:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:41:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:41:12,531 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:41:12,531 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:41:12,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:41:12 BoogieIcfgContainer [2019-09-10 02:41:12,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:41:12,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:41:12,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:41:12,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:41:12,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:41:09" (1/3) ... [2019-09-10 02:41:12,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105ac3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:41:12, skipping insertion in model container [2019-09-10 02:41:12,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:10" (2/3) ... [2019-09-10 02:41:12,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105ac3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:41:12, skipping insertion in model container [2019-09-10 02:41:12,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:41:12" (3/3) ... [2019-09-10 02:41:12,544 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product33.cil.c [2019-09-10 02:41:12,556 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:41:12,571 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:41:12,593 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:41:12,637 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:41:12,638 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:41:12,647 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:41:12,647 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:41:12,647 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:41:12,647 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:41:12,647 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:41:12,648 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:41:12,689 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states. [2019-09-10 02:41:12,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-09-10 02:41:12,731 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:12,733 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:12,738 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:12,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:12,746 INFO L82 PathProgramCache]: Analyzing trace with hash -420941133, now seen corresponding path program 1 times [2019-09-10 02:41:12,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:12,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:12,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:12,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:12,800 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:41:13,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:13,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:41:13,442 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:13,448 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:41:13,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:41:13,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:13,463 INFO L87 Difference]: Start difference. First operand 602 states. Second operand 2 states. [2019-09-10 02:41:13,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:13,516 INFO L93 Difference]: Finished difference Result 588 states and 776 transitions. [2019-09-10 02:41:13,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:41:13,517 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 195 [2019-09-10 02:41:13,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:13,541 INFO L225 Difference]: With dead ends: 588 [2019-09-10 02:41:13,542 INFO L226 Difference]: Without dead ends: 579 [2019-09-10 02:41:13,543 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:13,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-09-10 02:41:13,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-09-10 02:41:13,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-09-10 02:41:13,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 765 transitions. [2019-09-10 02:41:13,648 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 765 transitions. Word has length 195 [2019-09-10 02:41:13,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:13,650 INFO L475 AbstractCegarLoop]: Abstraction has 579 states and 765 transitions. [2019-09-10 02:41:13,650 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:41:13,651 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 765 transitions. [2019-09-10 02:41:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-09-10 02:41:13,656 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:13,656 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:13,657 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:13,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:13,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1855300541, now seen corresponding path program 1 times [2019-09-10 02:41:13,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:13,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:13,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:13,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:13,659 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:41:13,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:13,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:13,846 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:13,848 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:13,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:13,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:13,849 INFO L87 Difference]: Start difference. First operand 579 states and 765 transitions. Second operand 3 states. [2019-09-10 02:41:13,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:13,892 INFO L93 Difference]: Finished difference Result 582 states and 768 transitions. [2019-09-10 02:41:13,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:13,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2019-09-10 02:41:13,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:13,898 INFO L225 Difference]: With dead ends: 582 [2019-09-10 02:41:13,899 INFO L226 Difference]: Without dead ends: 582 [2019-09-10 02:41:13,900 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:13,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-09-10 02:41:13,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 581. [2019-09-10 02:41:13,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2019-09-10 02:41:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 767 transitions. [2019-09-10 02:41:13,943 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 767 transitions. Word has length 196 [2019-09-10 02:41:13,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:13,944 INFO L475 AbstractCegarLoop]: Abstraction has 581 states and 767 transitions. [2019-09-10 02:41:13,944 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:13,944 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 767 transitions. [2019-09-10 02:41:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-09-10 02:41:13,951 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:13,951 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:13,951 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:13,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:13,952 INFO L82 PathProgramCache]: Analyzing trace with hash -2077671956, now seen corresponding path program 1 times [2019-09-10 02:41:13,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:13,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:13,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:13,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:13,954 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:41:14,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:14,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:14,213 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:14,214 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:14,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:14,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:14,214 INFO L87 Difference]: Start difference. First operand 581 states and 767 transitions. Second operand 3 states. [2019-09-10 02:41:14,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:14,245 INFO L93 Difference]: Finished difference Result 624 states and 840 transitions. [2019-09-10 02:41:14,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:14,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-09-10 02:41:14,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:14,251 INFO L225 Difference]: With dead ends: 624 [2019-09-10 02:41:14,252 INFO L226 Difference]: Without dead ends: 624 [2019-09-10 02:41:14,252 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:14,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2019-09-10 02:41:14,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 623. [2019-09-10 02:41:14,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-09-10 02:41:14,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 839 transitions. [2019-09-10 02:41:14,277 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 839 transitions. Word has length 208 [2019-09-10 02:41:14,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:14,278 INFO L475 AbstractCegarLoop]: Abstraction has 623 states and 839 transitions. [2019-09-10 02:41:14,278 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:14,278 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 839 transitions. [2019-09-10 02:41:14,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-09-10 02:41:14,283 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:14,283 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:14,283 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:14,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:14,284 INFO L82 PathProgramCache]: Analyzing trace with hash -339129856, now seen corresponding path program 1 times [2019-09-10 02:41:14,284 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:14,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:14,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:14,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:14,285 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:14,428 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:41:14,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:14,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:14,429 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:14,429 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:14,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:14,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:14,430 INFO L87 Difference]: Start difference. First operand 623 states and 839 transitions. Second operand 3 states. [2019-09-10 02:41:14,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:14,455 INFO L93 Difference]: Finished difference Result 705 states and 978 transitions. [2019-09-10 02:41:14,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:14,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2019-09-10 02:41:14,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:14,461 INFO L225 Difference]: With dead ends: 705 [2019-09-10 02:41:14,461 INFO L226 Difference]: Without dead ends: 705 [2019-09-10 02:41:14,461 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:14,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2019-09-10 02:41:14,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 704. [2019-09-10 02:41:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2019-09-10 02:41:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 977 transitions. [2019-09-10 02:41:14,488 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 977 transitions. Word has length 209 [2019-09-10 02:41:14,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:14,489 INFO L475 AbstractCegarLoop]: Abstraction has 704 states and 977 transitions. [2019-09-10 02:41:14,489 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:14,489 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 977 transitions. [2019-09-10 02:41:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-09-10 02:41:14,494 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:14,494 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:14,494 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:14,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:14,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1667814782, now seen corresponding path program 1 times [2019-09-10 02:41:14,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:14,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:14,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:14,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:14,496 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-10 02:41:14,992 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:41:14,992 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:41:14,993 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2019-09-10 02:41:14,996 INFO L207 CegarAbsIntRunner]: [85], [88], [98], [130], [146], [149], [163], [164], [166], [276], [278], [282], [285], [286], [287], [290], [296], [332], [334], [336], [343], [350], [353], [362], [383], [385], [386], [389], [399], [428], [467], [487], [660], [662], [663], [664], [672], [675], [681], [702], [705], [719], [748], [749], [750], [753], [759], [760], [762], [764], [777], [779], [782], [786], [800], [804], [807], [825], [828], [866], [868], [893], [899], [908], [912], [914], [916], [919], [926], [933], [936], [938], [1074], [1077], [1091], [1199], [1201], [1202], [1203], [1206], [1208], [1210], [1213], [1232], [1304], [1308], [1319], [1322], [1323], [1326], [1329], [1360], [1361], [1363], [1476], [1479], [1493], [1499], [1502], [1511], [1700], [1702], [1704], [1706], [1707], [1743], [1753], [1754], [1755], [1756], [1757], [1758], [1761], [1762], [1763], [1764], [1765], [1767], [1768], [1769], [1770], [1783], [1784], [1785], [1786], [1791], [1803], [1804], [1809], [1825], [1826], [1827], [1851], [1852], [1867], [1868], [1869], [1870], [1871], [1873], [1874], [1879], [1880], [1881], [1882], [1883], [1884], [1885], [1886], [1887], [1889], [1890], [1891], [1892], [1913], [1914], [1925], [1931], [1932], [1949], [1951], [1952], [1953], [1954], [1955], [1956], [1957], [1965], [1966], [1967], [1969], [1970], [1971], [1972], [1973], [1974], [1975], [1987], [1988], [1989], [1990], [1991], [1992], [1993], [1994], [1995] [2019-09-10 02:41:15,040 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:41:15,041 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:41:15,161 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:41:15,163 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 212 root evaluator evaluations with a maximum evaluation depth of 0. Performed 212 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 390 variables. [2019-09-10 02:41:15,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:15,170 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:41:15,271 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:41:15,271 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:41:15,279 INFO L420 sIntCurrentIteration]: We unified 211 AI predicates to 211 [2019-09-10 02:41:15,279 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:41:15,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:41:15,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-09-10 02:41:15,280 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:15,281 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:41:15,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:41:15,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:15,284 INFO L87 Difference]: Start difference. First operand 704 states and 977 transitions. Second operand 2 states. [2019-09-10 02:41:15,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:15,285 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:41:15,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:41:15,285 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 212 [2019-09-10 02:41:15,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:15,285 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:41:15,285 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:41:15,286 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:15,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:41:15,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:41:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:41:15,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:41:15,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2019-09-10 02:41:15,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:15,287 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:41:15,287 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:41:15,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:41:15,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:41:15,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:41:15 BoogieIcfgContainer [2019-09-10 02:41:15,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:41:15,294 INFO L168 Benchmark]: Toolchain (without parser) took 6220.29 ms. Allocated memory was 133.7 MB in the beginning and 322.4 MB in the end (delta: 188.7 MB). Free memory was 86.6 MB in the beginning and 134.9 MB in the end (delta: -48.3 MB). Peak memory consumption was 140.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:15,295 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 133.7 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-10 02:41:15,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1109.77 ms. Allocated memory was 133.7 MB in the beginning and 202.4 MB in the end (delta: 68.7 MB). Free memory was 86.4 MB in the beginning and 129.5 MB in the end (delta: -43.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:15,297 INFO L168 Benchmark]: Boogie Preprocessor took 227.47 ms. Allocated memory is still 202.4 MB. Free memory was 129.5 MB in the beginning and 120.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:15,298 INFO L168 Benchmark]: RCFGBuilder took 2121.19 ms. Allocated memory was 202.4 MB in the beginning and 261.1 MB in the end (delta: 58.7 MB). Free memory was 120.4 MB in the beginning and 140.1 MB in the end (delta: -19.7 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:15,299 INFO L168 Benchmark]: TraceAbstraction took 2757.73 ms. Allocated memory was 261.1 MB in the beginning and 322.4 MB in the end (delta: 61.3 MB). Free memory was 138.0 MB in the beginning and 134.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 64.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:15,303 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 133.7 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1109.77 ms. Allocated memory was 133.7 MB in the beginning and 202.4 MB in the end (delta: 68.7 MB). Free memory was 86.4 MB in the beginning and 129.5 MB in the end (delta: -43.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 227.47 ms. Allocated memory is still 202.4 MB. Free memory was 129.5 MB in the beginning and 120.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2121.19 ms. Allocated memory was 202.4 MB in the beginning and 261.1 MB in the end (delta: 58.7 MB). Free memory was 120.4 MB in the beginning and 140.1 MB in the end (delta: -19.7 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2757.73 ms. Allocated memory was 261.1 MB in the beginning and 322.4 MB in the end (delta: 61.3 MB). Free memory was 138.0 MB in the beginning and 134.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 64.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3080]: 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 119 procedures, 824 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3090 SDtfs, 105 SDslu, 2277 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=704occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.241706161137441 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1020 NumberOfCodeBlocks, 1020 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1015 ConstructedInterpolants, 0 QuantifiedInterpolants, 251739 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 203/207 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...