/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:45:58,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:45:58,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:45:58,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:45:58,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:45:58,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:45:58,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:45:58,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:45:58,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:45:58,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:45:58,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:45:58,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:45:58,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:45:58,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:45:58,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:45:58,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:45:58,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:45:58,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:45:58,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:45:58,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:45:58,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:45:58,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:45:58,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:45:58,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:45:58,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:45:58,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:45:58,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:45:58,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:45:58,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:45:58,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:45:58,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:45:58,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:45:58,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:45:58,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:45:58,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:45:58,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:45:58,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:45:58,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:45:58,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:45:58,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:45:58,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:45:58,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:45:58,821 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:45:58,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:45:58,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:45:58,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:45:58,823 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:45:58,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:45:58,824 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:45:58,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:45:58,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:45:58,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:45:58,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:45:58,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:45:58,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:45:58,825 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:45:58,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:45:58,825 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:45:58,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:45:58,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:45:58,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:45:58,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:45:58,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:45:58,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:45:58,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:45:58,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:45:58,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:45:58,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:45:58,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:45:58,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:45:58,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:45:59,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:45:59,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:45:59,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:45:59,111 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:45:59,111 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:45:59,112 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product28.cil.c [2019-11-06 21:45:59,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/501227d90/a6ac519ef8874bf089a7e9e196268c85/FLAGf7900e043 [2019-11-06 21:45:59,871 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:45:59,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product28.cil.c [2019-11-06 21:45:59,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/501227d90/a6ac519ef8874bf089a7e9e196268c85/FLAGf7900e043 [2019-11-06 21:46:00,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/501227d90/a6ac519ef8874bf089a7e9e196268c85 [2019-11-06 21:46:00,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:46:00,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:46:00,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:46:00,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:46:00,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:46:00,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:46:00" (1/1) ... [2019-11-06 21:46:00,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2753e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:46:00, skipping insertion in model container [2019-11-06 21:46:00,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:46:00" (1/1) ... [2019-11-06 21:46:00,136 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:46:00,201 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:46:00,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:46:00,943 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:46:01,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:46:01,189 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:46:01,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:46:01 WrapperNode [2019-11-06 21:46:01,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:46:01,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:46:01,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:46:01,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:46:01,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:46:01" (1/1) ... [2019-11-06 21:46:01,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:46:01" (1/1) ... [2019-11-06 21:46:01,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:46:01" (1/1) ... [2019-11-06 21:46:01,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:46:01" (1/1) ... [2019-11-06 21:46:01,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:46:01" (1/1) ... [2019-11-06 21:46:01,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:46:01" (1/1) ... [2019-11-06 21:46:01,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:46:01" (1/1) ... [2019-11-06 21:46:01,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:46:01,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:46:01,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:46:01,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:46:01,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:46:01" (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 [2019-11-06 21:46:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:46:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:46:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:46:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:46:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:46:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:46:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:46:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:46:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-06 21:46:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-06 21:46:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:46:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:46:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-06 21:46:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-06 21:46:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:46:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:46:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:46:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:46:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:46:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:46:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:46:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:46:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:46:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-06 21:46:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-06 21:46:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:46:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:46:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:46:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:46:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:46:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:46:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:46:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:46:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:46:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:46:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:46:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:46:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:46:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:46:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:46:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:46:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:46:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:46:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:46:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:46:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:46:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:46:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:46:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:46:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:46:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:46:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:46:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:46:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:46:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:46:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:46:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:46:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:46:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:46:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:46:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:46:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:46:01,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:46:01,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:46:01,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:46:01,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:46:01,446 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:46:01,446 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:46:01,446 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:46:01,447 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:46:01,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:46:01,447 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:46:01,447 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:46:01,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:46:01,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:46:01,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:46:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:46:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:46:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-06 21:46:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-11-06 21:46:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-06 21:46:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:46:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-06 21:46:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:46:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:46:01,451 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:46:01,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:46:01,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:46:01,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:46:01,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:46:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:46:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:46:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:46:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:46:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:46:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:46:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:46:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:46:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:46:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:46:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:46:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:46:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:46:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:46:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:46:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-11-06 21:46:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:46:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:46:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:46:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:46:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:46:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:46:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:46:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:46:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:46:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:46:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:46:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:46:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:46:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:46:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:46:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:46:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:46:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:46:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:46:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:46:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:46:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:46:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:46:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:46:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:46:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:46:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:46:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:46:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:46:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:46:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:46:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:46:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:46:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:46:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:46:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:46:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:46:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:46:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:46:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:46:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:46:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:46:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:46:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:46:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:46:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-06 21:46:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-06 21:46:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-11-06 21:46:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:46:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-06 21:46:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-06 21:46:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-06 21:46:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-06 21:46:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:46:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:46:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:46:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:46:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:46:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:46:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:46:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:46:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:46:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:46:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:46:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:46:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:46:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:46:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:46:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:46:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:46:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:46:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:46:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:46:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:46:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:46:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:46:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:46:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:46:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:46:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:46:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:46:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:46:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:46:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:46:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:46:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:46:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:46:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:46:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:46:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:46:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:46:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:46:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:46:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:46:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:46:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:46:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:46:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:46:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:46:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-06 21:46:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-11-06 21:46:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-06 21:46:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-06 21:46:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:46:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:46:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:46:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:46:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:46:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:46:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:46:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:46:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:46:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:46:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:46:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:46:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:46:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:46:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:46:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:46:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:46:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:46:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:46:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:46:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:46:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:46:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:46:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:46:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:46:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:46:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:46:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:46:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:46:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:46:03,510 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:46:03,510 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:46:03,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:46:03 BoogieIcfgContainer [2019-11-06 21:46:03,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:46:03,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:46:03,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:46:03,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:46:03,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:46:00" (1/3) ... [2019-11-06 21:46:03,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa3273e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:46:03, skipping insertion in model container [2019-11-06 21:46:03,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:46:01" (2/3) ... [2019-11-06 21:46:03,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa3273e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:46:03, skipping insertion in model container [2019-11-06 21:46:03,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:46:03" (3/3) ... [2019-11-06 21:46:03,522 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product28.cil.c [2019-11-06 21:46:03,532 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:46:03,543 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:46:03,553 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:46:03,596 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:46:03,596 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:46:03,596 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:46:03,596 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:46:03,596 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:46:03,597 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:46:03,597 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:46:03,597 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:46:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states. [2019-11-06 21:46:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-06 21:46:03,643 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:46:03,644 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-11-06 21:46:03,646 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:46:03,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:46:03,652 INFO L82 PathProgramCache]: Analyzing trace with hash -153424119, now seen corresponding path program 1 times [2019-11-06 21:46:03,661 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:46:03,662 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105558391] [2019-11-06 21:46:03,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:46:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,084 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 547 [2019-11-06 21:46:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-06 21:46:06,576 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105558391] [2019-11-06 21:46:06,577 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:46:06,577 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:46:06,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300784901] [2019-11-06 21:46:06,584 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:46:06,584 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:46:06,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:46:06,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:46:06,600 INFO L87 Difference]: Start difference. First operand 509 states. Second operand 11 states. [2019-11-06 21:46:20,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:46:20,786 INFO L93 Difference]: Finished difference Result 1184 states and 1765 transitions. [2019-11-06 21:46:20,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-11-06 21:46:20,789 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 164 [2019-11-06 21:46:20,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:46:20,817 INFO L225 Difference]: With dead ends: 1184 [2019-11-06 21:46:20,817 INFO L226 Difference]: Without dead ends: 783 [2019-11-06 21:46:20,827 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2019-11-06 21:46:20,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-11-06 21:46:21,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 458. [2019-11-06 21:46:21,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-11-06 21:46:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 611 transitions. [2019-11-06 21:46:21,115 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 611 transitions. Word has length 164 [2019-11-06 21:46:21,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:46:21,116 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 611 transitions. [2019-11-06 21:46:21,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:46:21,116 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 611 transitions. [2019-11-06 21:46:21,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-06 21:46:21,122 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:46:21,123 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-11-06 21:46:21,123 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:46:21,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:46:21,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1934400744, now seen corresponding path program 1 times [2019-11-06 21:46:21,124 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:46:21,124 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517120255] [2019-11-06 21:46:21,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:46:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,775 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 547 [2019-11-06 21:46:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:46:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-06 21:46:23,156 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517120255] [2019-11-06 21:46:23,156 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:46:23,157 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:46:23,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588968714] [2019-11-06 21:46:23,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:46:23,159 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:46:23,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:46:23,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:46:23,160 INFO L87 Difference]: Start difference. First operand 458 states and 611 transitions. Second operand 12 states. [2019-11-06 21:46:27,621 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 550 [2019-11-06 21:46:40,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:46:40,555 INFO L93 Difference]: Finished difference Result 1023 states and 1445 transitions. [2019-11-06 21:46:40,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 21:46:40,556 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 165 [2019-11-06 21:46:40,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:46:40,565 INFO L225 Difference]: With dead ends: 1023 [2019-11-06 21:46:40,565 INFO L226 Difference]: Without dead ends: 786 [2019-11-06 21:46:40,568 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2019-11-06 21:46:40,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-11-06 21:46:40,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 460. [2019-11-06 21:46:40,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2019-11-06 21:46:40,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 613 transitions. [2019-11-06 21:46:40,763 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 613 transitions. Word has length 165 [2019-11-06 21:46:40,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:46:40,763 INFO L462 AbstractCegarLoop]: Abstraction has 460 states and 613 transitions. [2019-11-06 21:46:40,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 21:46:40,764 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 613 transitions. [2019-11-06 21:46:40,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-11-06 21:46:40,767 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:46:40,767 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-11-06 21:46:40,792 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:46:40,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:46:40,794 INFO L82 PathProgramCache]: Analyzing trace with hash -812491460, now seen corresponding path program 1 times [2019-11-06 21:46:40,794 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:46:40,794 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35365873] [2019-11-06 21:46:40,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:46:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat