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_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:52:30,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:52:30,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:52:30,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:52:30,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:52:30,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:52:30,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:52:30,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:52:30,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:52:30,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:52:30,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:52:30,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:52:30,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:52:30,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:52:30,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:52:30,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:52:30,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:52:30,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:52:30,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:52:30,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:52:30,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:52:30,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:52:30,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:52:30,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:52:30,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:52:30,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:52:30,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:52:30,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:52:30,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:52:30,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:52:30,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:52:30,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:52:30,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:52:30,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:52:30,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:52:30,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:52:30,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:52:30,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:52:30,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:52:30,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:52:30,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:52:30,700 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 02:52:30,728 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:52:30,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:52:30,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:52:30,729 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:52:30,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:52:30,730 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:52:30,730 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:52:30,730 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:52:30,731 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:52:30,731 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:52:30,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:52:30,733 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:52:30,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:52:30,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:52:30,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:52:30,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:52:30,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:52:30,734 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:52:30,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:52:30,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:52:30,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:52:30,735 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:52:30,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:52:30,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:30,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:52:30,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:52:30,736 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:52:30,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:52:30,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:52:30,737 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:52:30,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:52:30,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:52:30,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:52:30,782 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:52:30,782 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:52:30,783 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product34.cil.c [2019-10-03 02:52:30,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aecce9d3/5e989667680e49259606840fb49ddb84/FLAG43aa85f9f [2019-10-03 02:52:31,537 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:52:31,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product34.cil.c [2019-10-03 02:52:31,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aecce9d3/5e989667680e49259606840fb49ddb84/FLAG43aa85f9f [2019-10-03 02:52:31,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aecce9d3/5e989667680e49259606840fb49ddb84 [2019-10-03 02:52:31,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:52:31,751 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:52:31,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:31,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:52:31,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:52:31,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:31" (1/1) ... [2019-10-03 02:52:31,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24115530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:31, skipping insertion in model container [2019-10-03 02:52:31,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:31" (1/1) ... [2019-10-03 02:52:31,768 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:52:31,858 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:52:32,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:32,675 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:52:32,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:32,921 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:52:32,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:32 WrapperNode [2019-10-03 02:52:32,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:32,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:52:32,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:52:32,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:52:32,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:32" (1/1) ... [2019-10-03 02:52:32,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:32" (1/1) ... [2019-10-03 02:52:32,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:32" (1/1) ... [2019-10-03 02:52:32,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:32" (1/1) ... [2019-10-03 02:52:33,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:32" (1/1) ... [2019-10-03 02:52:33,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:32" (1/1) ... [2019-10-03 02:52:33,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:32" (1/1) ... [2019-10-03 02:52:33,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:52:33,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:52:33,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:52:33,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:52:33,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:32" (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 02:52:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:52:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:52:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:52:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:52:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:52:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:52:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:52:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:52:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:52:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:52:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:52:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:52:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:52:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:52:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:52:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:52:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:52:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:52:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:52:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:52:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:52:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:52:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:52:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:52:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:52:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:52:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:52:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:52:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:52:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:52:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:52:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:52:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:52:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:52:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:52:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:52:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:52:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:52:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:52:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:52:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:52:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:52:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:52:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:52:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:52:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:52:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:52:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:52:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:52:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:52:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:52:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:52:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:52:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:52:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:52:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:52:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:52:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:52:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:52:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:52:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:52:33,234 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:52:33,234 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:52:33,234 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:52:33,234 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:52:33,234 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:52:33,234 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:52:33,235 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:52:33,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:52:33,235 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:52:33,235 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:52:33,235 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:52:33,235 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:52:33,236 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:52:33,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:33,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:52:33,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:33,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:33,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:52:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:52:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:52:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:52:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:52:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:52:33,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:33,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:52:33,238 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:52:33,238 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:52:33,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:52:33,238 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:52:33,238 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:52:33,239 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:52:33,239 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:52:33,239 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:52:33,239 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:52:33,239 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:52:33,239 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:52:33,240 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:52:33,240 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:52:33,240 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:52:33,240 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:52:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:52:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:52:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:52:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:52:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:52:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:52:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:52:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:52:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:52:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:52:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:52:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:52:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:52:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:52:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:52:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:52:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:52:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:52:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:52:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:52:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:52:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:52:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:52:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:52:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:52:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:52:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:52:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:52:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:52:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:52:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:52:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:52:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:52:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:52:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:52:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:52:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:52:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:52:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:52:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:52:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:52:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:52:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:52:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:52:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:52:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:52:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:52:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:52:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:52:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:52:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:52:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:52:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:52:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:52:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:52:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:52:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:52:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:52:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:52:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:52:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:52:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:52:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:52:33,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:52:33,254 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:52:33,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:52:33,254 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:52:33,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:52:33,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:52:33,255 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:52:33,255 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:52:33,255 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:52:33,255 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:52:33,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:52:33,256 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:52:33,256 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:52:33,256 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:52:33,256 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:52:33,256 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:52:33,256 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:52:33,257 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:52:33,257 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:52:33,257 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:52:33,257 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:52:33,257 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:52:33,257 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:52:33,258 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:52:33,258 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:52:33,258 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:52:33,258 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:52:33,258 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:52:33,258 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:52:33,259 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:52:33,259 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:52:33,259 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:52:33,259 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:52:33,259 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:33,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:33,260 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:52:33,260 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:52:33,260 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:52:33,260 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:52:33,261 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:52:33,261 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:52:33,261 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:52:33,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:33,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:52:33,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:52:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:52:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:52:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:52:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:52:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:52:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:52:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:52:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:52:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:52:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:52:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:52:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:52:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:52:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:52:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:52:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:52:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:52:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:52:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:52:35,836 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:52:35,837 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:52:35,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:35 BoogieIcfgContainer [2019-10-03 02:52:35,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:52:35,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:52:35,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:52:35,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:52:35,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:52:31" (1/3) ... [2019-10-03 02:52:35,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3e3a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:35, skipping insertion in model container [2019-10-03 02:52:35,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:32" (2/3) ... [2019-10-03 02:52:35,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3e3a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:35, skipping insertion in model container [2019-10-03 02:52:35,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:35" (3/3) ... [2019-10-03 02:52:35,847 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product34.cil.c [2019-10-03 02:52:35,857 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:52:35,868 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:52:35,885 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:52:35,914 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:52:35,915 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:52:35,915 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:52:35,915 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:52:35,915 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:52:35,915 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:52:35,916 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:52:35,916 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:52:35,946 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states. [2019-10-03 02:52:35,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-10-03 02:52:35,981 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:35,982 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:35,985 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:35,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:35,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1025683934, now seen corresponding path program 1 times [2019-10-03 02:52:35,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:36,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:36,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:36,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:36,063 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:36,791 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 02:52:36,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:36,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:52:36,794 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:36,801 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:36,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:36,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:36,820 INFO L87 Difference]: Start difference. First operand 653 states. Second operand 2 states. [2019-10-03 02:52:36,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:36,894 INFO L93 Difference]: Finished difference Result 633 states and 858 transitions. [2019-10-03 02:52:36,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:36,895 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 220 [2019-10-03 02:52:36,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:36,922 INFO L225 Difference]: With dead ends: 633 [2019-10-03 02:52:36,922 INFO L226 Difference]: Without dead ends: 624 [2019-10-03 02:52:36,924 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 02:52:36,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2019-10-03 02:52:37,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 624. [2019-10-03 02:52:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2019-10-03 02:52:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 847 transitions. [2019-10-03 02:52:37,029 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 847 transitions. Word has length 220 [2019-10-03 02:52:37,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:37,031 INFO L475 AbstractCegarLoop]: Abstraction has 624 states and 847 transitions. [2019-10-03 02:52:37,032 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 847 transitions. [2019-10-03 02:52:37,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-10-03 02:52:37,038 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:37,039 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:37,039 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:37,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:37,040 INFO L82 PathProgramCache]: Analyzing trace with hash 336824807, now seen corresponding path program 1 times [2019-10-03 02:52:37,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:37,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:37,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:37,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:37,046 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:37,379 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 02:52:37,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:37,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:37,380 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:37,386 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:37,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:37,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:37,387 INFO L87 Difference]: Start difference. First operand 624 states and 847 transitions. Second operand 3 states. [2019-10-03 02:52:37,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:37,486 INFO L93 Difference]: Finished difference Result 627 states and 850 transitions. [2019-10-03 02:52:37,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:37,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2019-10-03 02:52:37,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:37,511 INFO L225 Difference]: With dead ends: 627 [2019-10-03 02:52:37,511 INFO L226 Difference]: Without dead ends: 627 [2019-10-03 02:52:37,513 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 02:52:37,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-10-03 02:52:37,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 626. [2019-10-03 02:52:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2019-10-03 02:52:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 849 transitions. [2019-10-03 02:52:37,596 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 849 transitions. Word has length 221 [2019-10-03 02:52:37,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:37,599 INFO L475 AbstractCegarLoop]: Abstraction has 626 states and 849 transitions. [2019-10-03 02:52:37,599 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:37,599 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 849 transitions. [2019-10-03 02:52:37,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-10-03 02:52:37,615 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:37,615 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:37,616 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:37,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:37,617 INFO L82 PathProgramCache]: Analyzing trace with hash 982299259, now seen corresponding path program 1 times [2019-10-03 02:52:37,617 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:37,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:37,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:37,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:37,625 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:38,164 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 02:52:38,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:38,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:38,165 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:38,168 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:38,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:38,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:38,171 INFO L87 Difference]: Start difference. First operand 626 states and 849 transitions. Second operand 3 states. [2019-10-03 02:52:38,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:38,210 INFO L93 Difference]: Finished difference Result 669 states and 922 transitions. [2019-10-03 02:52:38,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:38,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2019-10-03 02:52:38,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:38,220 INFO L225 Difference]: With dead ends: 669 [2019-10-03 02:52:38,220 INFO L226 Difference]: Without dead ends: 669 [2019-10-03 02:52:38,220 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 02:52:38,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2019-10-03 02:52:38,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 668. [2019-10-03 02:52:38,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2019-10-03 02:52:38,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 921 transitions. [2019-10-03 02:52:38,266 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 921 transitions. Word has length 227 [2019-10-03 02:52:38,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:38,269 INFO L475 AbstractCegarLoop]: Abstraction has 668 states and 921 transitions. [2019-10-03 02:52:38,269 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:38,269 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 921 transitions. [2019-10-03 02:52:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-03 02:52:38,277 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:38,278 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:38,278 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:38,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:38,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1381931188, now seen corresponding path program 1 times [2019-10-03 02:52:38,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:38,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:38,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:38,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:38,287 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:38,892 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 02:52:38,892 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:52:38,893 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:52:38,894 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2019-10-03 02:52:38,899 INFO L207 CegarAbsIntRunner]: [44], [57], [59], [62], [64], [66], [69], [93], [96], [106], [137], [140], [150], [151], [180], [183], [184], [185], [187], [297], [299], [303], [306], [307], [308], [311], [317], [339], [354], [357], [366], [367], [369], [372], [376], [377], [379], [380], [383], [393], [394], [424], [426], [438], [460], [480], [653], [655], [656], [657], [665], [668], [674], [695], [698], [712], [751], [752], [753], [755], [768], [770], [773], [777], [801], [805], [808], [816], [819], [851], [853], [878], [884], [893], [897], [899], [901], [904], [911], [918], [921], [1059], [1061], [1078], [1207], [1279], [1283], [1284], [1287], [1293], [1294], [1297], [1298], [1301], [1304], [1335], [1336], [1338], [1340], [1347], [1353], [1355], [1438], [1441], [1447], [1468], [1471], [1485], [1491], [1494], [1503], [1697], [1699], [1701], [1703], [1704], [1716], [1724], [1725], [1726], [1727], [1728], [1729], [1730], [1748], [1758], [1759], [1760], [1761], [1762], [1763], [1766], [1767], [1768], [1769], [1770], [1772], [1773], [1774], [1775], [1782], [1788], [1789], [1792], [1793], [1794], [1800], [1801], [1814], [1815], [1816], [1838], [1839], [1854], [1855], [1856], [1858], [1859], [1864], [1865], [1866], [1867], [1868], [1869], [1870], [1871], [1872], [1874], [1875], [1876], [1877], [1892], [1893], [1904], [1928], [1930], [1931], [1948], [1950], [1951], [1952], [1954], [1955], [1956], [1957], [1958], [1959], [1960], [1961], [1966], [1968], [1969], [1970], [1990], [1991], [1992], [1993], [1994], [1995], [1996], [1997], [1998] [2019-10-03 02:52:38,947 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:52:38,947 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:52:39,101 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:52:39,103 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 270 root evaluator evaluations with a maximum evaluation depth of 0. Performed 270 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 380 variables. [2019-10-03 02:52:39,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:39,108 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:52:39,214 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:52:39,214 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:52:39,227 INFO L420 sIntCurrentIteration]: We unified 227 AI predicates to 227 [2019-10-03 02:52:39,227 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:52:39,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:52:39,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-10-03 02:52:39,231 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:39,232 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:39,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:39,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:39,233 INFO L87 Difference]: Start difference. First operand 668 states and 921 transitions. Second operand 2 states. [2019-10-03 02:52:39,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:39,233 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:52:39,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:39,233 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 228 [2019-10-03 02:52:39,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:39,234 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:52:39,234 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:52:39,234 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 227 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 02:52:39,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:52:39,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:52:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:52:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:52:39,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2019-10-03 02:52:39,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:39,236 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:52:39,236 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:52:39,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:52:39,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:52:39 BoogieIcfgContainer [2019-10-03 02:52:39,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:52:39,245 INFO L168 Benchmark]: Toolchain (without parser) took 7492.46 ms. Allocated memory was 138.4 MB in the beginning and 351.3 MB in the end (delta: 212.9 MB). Free memory was 82.5 MB in the beginning and 252.6 MB in the end (delta: -170.1 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:39,246 INFO L168 Benchmark]: CDTParser took 0.21 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 02:52:39,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1170.33 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 82.3 MB in the beginning and 125.7 MB in the end (delta: -43.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:39,248 INFO L168 Benchmark]: Boogie Preprocessor took 221.85 ms. Allocated memory is still 200.3 MB. Free memory was 125.7 MB in the beginning and 116.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:39,249 INFO L168 Benchmark]: RCFGBuilder took 2691.44 ms. Allocated memory was 200.3 MB in the beginning and 270.5 MB in the end (delta: 70.3 MB). Free memory was 116.3 MB in the beginning and 151.5 MB in the end (delta: -35.2 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:39,250 INFO L168 Benchmark]: TraceAbstraction took 3402.28 ms. Allocated memory was 270.5 MB in the beginning and 351.3 MB in the end (delta: 80.7 MB). Free memory was 151.5 MB in the beginning and 252.6 MB in the end (delta: -101.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:52:39,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1170.33 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 82.3 MB in the beginning and 125.7 MB in the end (delta: -43.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 221.85 ms. Allocated memory is still 200.3 MB. Free memory was 125.7 MB in the beginning and 116.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2691.44 ms. Allocated memory was 200.3 MB in the beginning and 270.5 MB in the end (delta: 70.3 MB). Free memory was 116.3 MB in the beginning and 151.5 MB in the end (delta: -35.2 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3402.28 ms. Allocated memory was 270.5 MB in the beginning and 351.3 MB in the end (delta: 80.7 MB). Free memory was 151.5 MB in the beginning and 252.6 MB in the end (delta: -101.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2407]: 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 118 procedures, 824 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2560 SDtfs, 54 SDslu, 1683 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=668occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.193832599118943 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 896 NumberOfCodeBlocks, 896 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 892 ConstructedInterpolants, 0 QuantifiedInterpolants, 245919 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...