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_spec27_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:52:25,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:52:25,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:52:25,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:52:25,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:52:25,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:52:25,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:52:25,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:52:25,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:52:25,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:52:25,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:52:25,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:52:25,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:52:25,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:52:25,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:52:25,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:52:25,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:52:25,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:52:25,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:52:25,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:52:25,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:52:25,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:52:25,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:52:25,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:52:25,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:52:25,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:52:25,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:52:25,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:52:25,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:52:25,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:52:25,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:52:25,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:52:25,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:52:25,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:52:25,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:52:25,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:52:25,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:52:25,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:52:25,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:52:25,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:52:25,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:52:25,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:52:26,012 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:52:26,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:52:26,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:52:26,013 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:52:26,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:52:26,014 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:52:26,014 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:52:26,014 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:52:26,014 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:52:26,015 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:52:26,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:52:26,016 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:52:26,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:52:26,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:52:26,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:52:26,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:52:26,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:52:26,017 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:52:26,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:52:26,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:52:26,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:52:26,017 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:52:26,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:52:26,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:26,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:52:26,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:52:26,019 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:52:26,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:52:26,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:52:26,019 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:52:26,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:52:26,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:52:26,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:52:26,086 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:52:26,087 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:52:26,088 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product31.cil.c [2019-10-03 02:52:26,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4288a412f/f5706aa7a9644f3c97284a664b7c9e74/FLAG6e547703f [2019-10-03 02:52:26,807 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:52:26,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product31.cil.c [2019-10-03 02:52:26,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4288a412f/f5706aa7a9644f3c97284a664b7c9e74/FLAG6e547703f [2019-10-03 02:52:27,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4288a412f/f5706aa7a9644f3c97284a664b7c9e74 [2019-10-03 02:52:27,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:52:27,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:52:27,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:27,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:52:27,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:52:27,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:27" (1/1) ... [2019-10-03 02:52:27,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d32cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:27, skipping insertion in model container [2019-10-03 02:52:27,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:27" (1/1) ... [2019-10-03 02:52:27,033 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:52:27,108 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:52:27,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:27,993 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:52:28,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:28,327 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:52:28,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:28 WrapperNode [2019-10-03 02:52:28,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:28,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:52:28,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:52:28,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:52:28,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:28" (1/1) ... [2019-10-03 02:52:28,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:28" (1/1) ... [2019-10-03 02:52:28,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:28" (1/1) ... [2019-10-03 02:52:28,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:28" (1/1) ... [2019-10-03 02:52:28,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:28" (1/1) ... [2019-10-03 02:52:28,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:28" (1/1) ... [2019-10-03 02:52:28,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:28" (1/1) ... [2019-10-03 02:52:28,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:52:28,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:52:28,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:52:28,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:52:28,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:52:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:52:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:52:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:52:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:52:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:52:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:52:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:52:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:52:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:52:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:52:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:52:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:52:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:52:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:52:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:52:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:52:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:52:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:52:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:52:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:52:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:52:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:52:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:52:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:52:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:52:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:52:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:52:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:52:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:52:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:52:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:52:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:52:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:52:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:52:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:52:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:52:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:52:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:52:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:52:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:52:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:52:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:52:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:52:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:52:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:52:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:52:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:52:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:52:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:52:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:52:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:52:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:52:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:52:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:52:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:52:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:52:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:52:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:52:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:52:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:52:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:52:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:52:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:52:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:52:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:52:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:52:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:52:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:52:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:52:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:52:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:52:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:52:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:52:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:52:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:52:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:52:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:52:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:52:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:52:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:52:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:52:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:52:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:52:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:52:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:52:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:52:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:52:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:52:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:52:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:52:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:52:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:52:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:52:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:52:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:52:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:52:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:52:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:52:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:52:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:52:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-03 02:52:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:52:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:52:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:52:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:52:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:52:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:52:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:52:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:52:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:52:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:52:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:52:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:52:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:52:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:52:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:52:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:52:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:52:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:52:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:52:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:52:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:52:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:52:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:52:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:52:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:52:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:52:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:52:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:52:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:52:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:52:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:52:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:52:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:52:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:52:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:52:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:52:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:52:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:52:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:52:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:52:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:52:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:52:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:52:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:52:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:52:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:52:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:52:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:52:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:52:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:52:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:52:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:52:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:52:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:52:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:52:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:52:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:52:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:52:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:52:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:52:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:52:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:52:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:52:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:52:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:52:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:52:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:52:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:52:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:52:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:52:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:52:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:52:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:52:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:52:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:52:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:52:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:52:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:52:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:52:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:52:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:52:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:52:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:52:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:52:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:52:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:52:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:52:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:52:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:52:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:52:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:52:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:52:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:52:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:52:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:52:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:52:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:52:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:52:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:52:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:52:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:52:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:52:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:52:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:52:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:52:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:52:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:52:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:52:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:52:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:52:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:52:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:52:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:52:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:52:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:52:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:52:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:52:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:52:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:52:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:52:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:52:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:52:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:52:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-03 02:52:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:52:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:52:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:52:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:52:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:52:30,959 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:52:30,959 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:52:30,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:30 BoogieIcfgContainer [2019-10-03 02:52:30,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:52:30,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:52:30,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:52:30,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:52:30,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:52:27" (1/3) ... [2019-10-03 02:52:30,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22819af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:30, skipping insertion in model container [2019-10-03 02:52:30,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:28" (2/3) ... [2019-10-03 02:52:30,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22819af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:30, skipping insertion in model container [2019-10-03 02:52:30,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:30" (3/3) ... [2019-10-03 02:52:30,971 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product31.cil.c [2019-10-03 02:52:30,982 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:52:30,996 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:52:31,015 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:52:31,049 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:52:31,050 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:52:31,050 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:52:31,050 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:52:31,051 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:52:31,055 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:52:31,055 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:52:31,055 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:52:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states. [2019-10-03 02:52:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-03 02:52:31,140 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:31,148 INFO L411 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, 1, 1] [2019-10-03 02:52:31,152 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:31,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:31,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1257961618, now seen corresponding path program 1 times [2019-10-03 02:52:31,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:31,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:31,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:31,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:31,232 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:31,933 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:31,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:31,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:52:31,937 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:31,945 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:31,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:31,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:31,971 INFO L87 Difference]: Start difference. First operand 560 states. Second operand 2 states. [2019-10-03 02:52:32,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:32,032 INFO L93 Difference]: Finished difference Result 546 states and 721 transitions. [2019-10-03 02:52:32,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:32,034 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 211 [2019-10-03 02:52:32,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:32,059 INFO L225 Difference]: With dead ends: 546 [2019-10-03 02:52:32,059 INFO L226 Difference]: Without dead ends: 537 [2019-10-03 02:52:32,061 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:32,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-10-03 02:52:32,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-10-03 02:52:32,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-10-03 02:52:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 710 transitions. [2019-10-03 02:52:32,164 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 710 transitions. Word has length 211 [2019-10-03 02:52:32,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:32,166 INFO L475 AbstractCegarLoop]: Abstraction has 537 states and 710 transitions. [2019-10-03 02:52:32,167 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 710 transitions. [2019-10-03 02:52:32,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-10-03 02:52:32,174 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:32,175 INFO L411 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, 1, 1, 1] [2019-10-03 02:52:32,175 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:32,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:32,176 INFO L82 PathProgramCache]: Analyzing trace with hash 836943149, now seen corresponding path program 1 times [2019-10-03 02:52:32,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:32,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:32,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:32,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:32,185 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:32,535 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:32,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:32,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:32,536 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:32,543 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:32,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:32,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:32,545 INFO L87 Difference]: Start difference. First operand 537 states and 710 transitions. Second operand 3 states. [2019-10-03 02:52:32,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:32,614 INFO L93 Difference]: Finished difference Result 540 states and 713 transitions. [2019-10-03 02:52:32,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:32,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2019-10-03 02:52:32,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:32,628 INFO L225 Difference]: With dead ends: 540 [2019-10-03 02:52:32,628 INFO L226 Difference]: Without dead ends: 540 [2019-10-03 02:52:32,629 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:32,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2019-10-03 02:52:32,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 539. [2019-10-03 02:52:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-10-03 02:52:32,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 712 transitions. [2019-10-03 02:52:32,671 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 712 transitions. Word has length 212 [2019-10-03 02:52:32,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:32,673 INFO L475 AbstractCegarLoop]: Abstraction has 539 states and 712 transitions. [2019-10-03 02:52:32,673 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:32,673 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 712 transitions. [2019-10-03 02:52:32,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-03 02:52:32,680 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:32,681 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:32,681 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:32,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:32,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1845626649, now seen corresponding path program 1 times [2019-10-03 02:52:32,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:32,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:32,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:32,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:32,689 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:32,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:32,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:32,993 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:32,994 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:32,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:32,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:32,999 INFO L87 Difference]: Start difference. First operand 539 states and 712 transitions. Second operand 3 states. [2019-10-03 02:52:33,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:33,064 INFO L93 Difference]: Finished difference Result 580 states and 782 transitions. [2019-10-03 02:52:33,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:33,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2019-10-03 02:52:33,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:33,076 INFO L225 Difference]: With dead ends: 580 [2019-10-03 02:52:33,077 INFO L226 Difference]: Without dead ends: 580 [2019-10-03 02:52:33,077 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:33,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2019-10-03 02:52:33,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 579. [2019-10-03 02:52:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-03 02:52:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 781 transitions. [2019-10-03 02:52:33,130 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 781 transitions. Word has length 218 [2019-10-03 02:52:33,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:33,131 INFO L475 AbstractCegarLoop]: Abstraction has 579 states and 781 transitions. [2019-10-03 02:52:33,131 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:33,131 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 781 transitions. [2019-10-03 02:52:33,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-10-03 02:52:33,145 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:33,146 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:33,148 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:33,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:33,149 INFO L82 PathProgramCache]: Analyzing trace with hash 460483544, now seen corresponding path program 1 times [2019-10-03 02:52:33,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:33,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:33,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:33,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:33,161 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-03 02:52:33,864 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:52:33,864 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:52:33,865 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2019-10-03 02:52:33,868 INFO L207 CegarAbsIntRunner]: [44], [57], [59], [62], [64], [66], [69], [106], [109], [119], [144], [160], [163], [177], [178], [180], [290], [292], [296], [299], [300], [301], [304], [310], [332], [337], [340], [349], [360], [362], [365], [369], [370], [372], [373], [376], [386], [387], [417], [419], [431], [453], [473], [646], [648], [649], [650], [658], [661], [667], [688], [691], [705], [741], [742], [753], [755], [768], [770], [773], [777], [791], [795], [798], [816], [819], [851], [853], [878], [884], [893], [897], [899], [901], [904], [911], [918], [921], [1182], [1254], [1258], [1259], [1262], [1268], [1269], [1272], [1273], [1276], [1279], [1310], [1311], [1313], [1315], [1322], [1326], [1328], [1397], [1400], [1406], [1441], [1444], [1458], [1464], [1467], [1476], [1665], [1667], [1669], [1671], [1672], [1684], [1692], [1693], [1694], [1695], [1696], [1697], [1698], [1710], [1720], [1721], [1722], [1723], [1724], [1725], [1728], [1729], [1730], [1731], [1732], [1734], [1735], [1736], [1737], [1744], [1750], [1751], [1754], [1755], [1756], [1762], [1763], [1776], [1777], [1778], [1800], [1801], [1822], [1823], [1824], [1826], [1827], [1832], [1833], [1834], [1835], [1836], [1837], [1838], [1839], [1840], [1842], [1843], [1844], [1845], [1860], [1861], [1872], [1894], [1896], [1897], [1898], [1900], [1901], [1902], [1903], [1904], [1905], [1906], [1907], [1912], [1914], [1915], [1916], [1928], [1929], [1930], [1931], [1932], [1933], [1934], [1935], [1936] [2019-10-03 02:52:33,942 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:52:33,946 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:52:34,162 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:52:34,163 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 203 root evaluator evaluations with a maximum evaluation depth of 0. Performed 203 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 372 variables. [2019-10-03 02:52:34,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:34,167 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:52:34,297 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:52:34,297 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:52:34,307 INFO L420 sIntCurrentIteration]: We unified 218 AI predicates to 218 [2019-10-03 02:52:34,307 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:52:34,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:52:34,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-10-03 02:52:34,309 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:34,309 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:34,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:34,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:34,310 INFO L87 Difference]: Start difference. First operand 579 states and 781 transitions. Second operand 2 states. [2019-10-03 02:52:34,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:34,312 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:52:34,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:34,313 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 219 [2019-10-03 02:52:34,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:34,313 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:52:34,314 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:52:34,314 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:34,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:52:34,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:52:34,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:52:34,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:52:34,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2019-10-03 02:52:34,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:34,317 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:52:34,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:34,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:52:34,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:52:34,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:52:34 BoogieIcfgContainer [2019-10-03 02:52:34,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:52:34,327 INFO L168 Benchmark]: Toolchain (without parser) took 7309.91 ms. Allocated memory was 138.4 MB in the beginning and 341.8 MB in the end (delta: 203.4 MB). Free memory was 83.0 MB in the beginning and 64.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 221.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:34,328 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:52:34,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1311.71 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 82.8 MB in the beginning and 129.3 MB in the end (delta: -46.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:34,332 INFO L168 Benchmark]: Boogie Preprocessor took 218.67 ms. Allocated memory is still 199.8 MB. Free memory was 129.3 MB in the beginning and 120.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:34,333 INFO L168 Benchmark]: RCFGBuilder took 2414.05 ms. Allocated memory was 199.8 MB in the beginning and 267.9 MB in the end (delta: 68.2 MB). Free memory was 120.6 MB in the beginning and 161.3 MB in the end (delta: -40.7 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:34,335 INFO L168 Benchmark]: TraceAbstraction took 3360.37 ms. Allocated memory was 267.9 MB in the beginning and 341.8 MB in the end (delta: 73.9 MB). Free memory was 161.3 MB in the beginning and 64.8 MB in the end (delta: 96.6 MB). Peak memory consumption was 170.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:34,346 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1311.71 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 82.8 MB in the beginning and 129.3 MB in the end (delta: -46.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 218.67 ms. Allocated memory is still 199.8 MB. Free memory was 129.3 MB in the beginning and 120.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2414.05 ms. Allocated memory was 199.8 MB in the beginning and 267.9 MB in the end (delta: 68.2 MB). Free memory was 120.6 MB in the beginning and 161.3 MB in the end (delta: -40.7 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3360.37 ms. Allocated memory was 267.9 MB in the beginning and 341.8 MB in the end (delta: 73.9 MB). Free memory was 161.3 MB in the beginning and 64.8 MB in the end (delta: 96.6 MB). Peak memory consumption was 170.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2864]: 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 115 procedures, 794 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2151 SDtfs, 53 SDslu, 1409 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=579occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.1788990825688073 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 860 NumberOfCodeBlocks, 860 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 856 ConstructedInterpolants, 0 QuantifiedInterpolants, 225054 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 164/168 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...