java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec27_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:27:31,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:27:31,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:27:31,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:27:31,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:27:31,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:27:31,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:27:31,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:27:31,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:27:31,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:27:31,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:27:31,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:27:31,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:27:31,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:27:31,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:27:31,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:27:31,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:27:31,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:27:31,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:27:31,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:27:31,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:27:31,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:27:31,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:27:31,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:27:31,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:27:31,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:27:31,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:27:31,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:27:31,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:27:31,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:27:31,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:27:31,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:27:31,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:27:31,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:27:31,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:27:31,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:27:31,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:27:31,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:27:31,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:27:31,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:27:31,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:27:31,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:27:31,452 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:27:31,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:27:31,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:27:31,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:27:31,455 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:27:31,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:27:31,455 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:27:31,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:27:31,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:27:31,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:27:31,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:27:31,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:27:31,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:27:31,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:27:31,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:27:31,458 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:27:31,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:27:31,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:27:31,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:27:31,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:27:31,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:27:31,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:27:31,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:27:31,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:27:31,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:27:31,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:27:31,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:27:31,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:27:31,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:27:31,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:27:31,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:27:31,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:27:31,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:27:31,764 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:27:31,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product23.cil.c [2019-10-13 19:27:31,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3735124a/243bb9b99486407d92200a7abfc86afb/FLAGb48e89286 [2019-10-13 19:27:32,520 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:27:32,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product23.cil.c [2019-10-13 19:27:32,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3735124a/243bb9b99486407d92200a7abfc86afb/FLAGb48e89286 [2019-10-13 19:27:32,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3735124a/243bb9b99486407d92200a7abfc86afb [2019-10-13 19:27:32,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:27:32,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:27:32,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:27:32,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:27:32,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:27:32,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:32" (1/1) ... [2019-10-13 19:27:32,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3781e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:32, skipping insertion in model container [2019-10-13 19:27:32,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:32" (1/1) ... [2019-10-13 19:27:32,722 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:27:32,813 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:27:33,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:27:33,608 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:27:33,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:27:33,856 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:27:33,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:33 WrapperNode [2019-10-13 19:27:33,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:27:33,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:27:33,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:27:33,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:27:33,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:33" (1/1) ... [2019-10-13 19:27:33,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:33" (1/1) ... [2019-10-13 19:27:33,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:33" (1/1) ... [2019-10-13 19:27:33,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:33" (1/1) ... [2019-10-13 19:27:33,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:33" (1/1) ... [2019-10-13 19:27:33,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:33" (1/1) ... [2019-10-13 19:27:33,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:33" (1/1) ... [2019-10-13 19:27:34,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:27:34,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:27:34,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:27:34,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:27:34,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:27:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:27:34,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:27:34,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:27:34,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 19:27:34,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 19:27:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 19:27:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 19:27:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 19:27:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 19:27:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 19:27:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 19:27:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:27:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:27:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 19:27:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 19:27:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 19:27:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 19:27:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 19:27:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 19:27:34,105 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 19:27:34,105 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 19:27:34,105 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 19:27:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 19:27:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 19:27:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-13 19:27:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 19:27:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 19:27:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 19:27:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 19:27:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 19:27:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 19:27:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 19:27:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 19:27:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 19:27:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 19:27:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 19:27:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 19:27:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 19:27:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 19:27:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 19:27:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 19:27:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 19:27:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 19:27:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 19:27:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 19:27:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 19:27:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 19:27:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 19:27:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 19:27:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 19:27:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 19:27:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 19:27:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 19:27:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 19:27:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 19:27:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 19:27:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-13 19:27:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 19:27:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 19:27:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-13 19:27:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 19:27:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 19:27:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 19:27:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 19:27:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 19:27:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 19:27:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 19:27:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 19:27:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 19:27:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 19:27:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 19:27:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 19:27:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 19:27:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 19:27:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:27:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:27:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:27:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:27:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 19:27:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 19:27:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 19:27:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 19:27:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 19:27:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 19:27:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 19:27:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 19:27:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 19:27:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 19:27:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 19:27:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 19:27:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 19:27:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 19:27:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 19:27:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 19:27:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 19:27:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 19:27:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 19:27:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 19:27:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 19:27:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 19:27:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:27:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:27:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:27:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:27:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:27:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:27:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:27:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-13 19:27:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-13 19:27:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 19:27:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 19:27:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 19:27:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 19:27:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:27:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:27:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:27:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:27:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 19:27:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 19:27:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 19:27:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 19:27:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 19:27:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 19:27:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 19:27:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 19:27:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 19:27:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 19:27:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 19:27:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 19:27:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:27:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:27:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:27:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 19:27:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 19:27:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 19:27:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 19:27:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 19:27:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 19:27:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 19:27:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 19:27:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 19:27:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 19:27:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 19:27:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:27:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:27:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:27:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 19:27:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 19:27:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 19:27:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 19:27:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 19:27:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 19:27:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 19:27:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 19:27:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 19:27:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 19:27:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 19:27:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 19:27:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 19:27:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 19:27:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:27:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:27:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 19:27:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 19:27:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 19:27:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-13 19:27:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 19:27:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 19:27:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 19:27:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 19:27:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 19:27:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 19:27:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 19:27:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 19:27:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 19:27:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 19:27:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 19:27:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 19:27:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 19:27:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 19:27:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 19:27:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 19:27:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 19:27:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 19:27:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 19:27:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 19:27:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 19:27:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 19:27:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 19:27:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 19:27:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 19:27:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 19:27:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 19:27:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 19:27:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 19:27:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 19:27:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 19:27:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 19:27:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 19:27:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 19:27:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 19:27:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 19:27:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 19:27:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 19:27:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-13 19:27:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-13 19:27:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 19:27:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:27:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 19:27:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 19:27:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 19:27:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 19:27:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 19:27:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 19:27:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 19:27:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 19:27:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 19:27:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 19:27:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 19:27:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 19:27:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:27:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:27:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:27:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:27:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:27:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:27:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:27:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:27:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:27:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:27:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:27:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:27:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:27:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:27:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:27:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:27:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 19:27:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 19:27:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-13 19:27:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-13 19:27:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:27:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:27:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:27:36,117 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:27:36,117 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 19:27:36,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:27:36 BoogieIcfgContainer [2019-10-13 19:27:36,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:27:36,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:27:36,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:27:36,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:27:36,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:27:32" (1/3) ... [2019-10-13 19:27:36,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c0f136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:27:36, skipping insertion in model container [2019-10-13 19:27:36,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:33" (2/3) ... [2019-10-13 19:27:36,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c0f136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:27:36, skipping insertion in model container [2019-10-13 19:27:36,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:27:36" (3/3) ... [2019-10-13 19:27:36,130 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product23.cil.c [2019-10-13 19:27:36,141 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:27:36,151 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:27:36,165 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:27:36,198 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:27:36,199 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:27:36,199 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:27:36,199 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:27:36,199 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:27:36,199 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:27:36,200 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:27:36,200 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:27:36,234 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states. [2019-10-13 19:27:36,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-13 19:27:36,272 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:27:36,274 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:27:36,277 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:27:36,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:27:36,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1102474150, now seen corresponding path program 1 times [2019-10-13 19:27:36,300 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:27:36,300 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446964402] [2019-10-13 19:27:36,300 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:27:36,301 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:27:36,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:27:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,786 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 19:27:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:27:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 19:27:39,225 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446964402] [2019-10-13 19:27:39,226 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:27:39,226 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:27:39,226 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583772668] [2019-10-13 19:27:39,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:27:39,232 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:27:39,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:27:39,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:27:39,246 INFO L87 Difference]: Start difference. First operand 577 states. Second operand 12 states. [2019-10-13 19:28:01,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:28:01,110 INFO L93 Difference]: Finished difference Result 1612 states and 2783 transitions. [2019-10-13 19:28:01,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2019-10-13 19:28:01,112 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 188 [2019-10-13 19:28:01,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:28:01,144 INFO L225 Difference]: With dead ends: 1612 [2019-10-13 19:28:01,144 INFO L226 Difference]: Without dead ends: 1049 [2019-10-13 19:28:01,161 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2450 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=1215, Invalid=5427, Unknown=0, NotChecked=0, Total=6642 [2019-10-13 19:28:01,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2019-10-13 19:28:01,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 531. [2019-10-13 19:28:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-13 19:28:01,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 725 transitions. [2019-10-13 19:28:01,527 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 725 transitions. Word has length 188 [2019-10-13 19:28:01,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:28:01,528 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 725 transitions. [2019-10-13 19:28:01,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:28:01,528 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 725 transitions. [2019-10-13 19:28:01,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-13 19:28:01,539 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:28:01,540 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:28:01,540 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:28:01,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:28:01,541 INFO L82 PathProgramCache]: Analyzing trace with hash 581217033, now seen corresponding path program 1 times [2019-10-13 19:28:01,542 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:28:01,543 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480859868] [2019-10-13 19:28:01,543 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:28:01,543 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:28:01,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:28:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,342 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 19:28:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:28:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 19:28:03,802 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480859868] [2019-10-13 19:28:03,803 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:28:03,803 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:28:03,803 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575861686] [2019-10-13 19:28:03,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:28:03,823 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:28:03,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:28:03,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:28:03,824 INFO L87 Difference]: Start difference. First operand 531 states and 725 transitions. Second operand 13 states. [2019-10-13 19:28:09,033 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 556