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_spec9_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:32:11,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:32:11,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:32:11,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:32:11,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:32:11,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:32:11,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:32:11,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:32:11,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:32:11,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:32:11,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:32:11,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:32:11,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:32:12,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:32:12,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:32:12,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:32:12,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:32:12,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:32:12,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:32:12,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:32:12,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:32:12,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:32:12,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:32:12,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:32:12,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:32:12,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:32:12,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:32:12,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:32:12,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:32:12,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:32:12,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:32:12,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:32:12,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:32:12,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:32:12,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:32:12,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:32:12,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:32:12,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:32:12,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:32:12,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:32:12,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:32:12,038 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 [2019-10-14 23:32:12,072 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:32:12,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:32:12,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:32:12,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:32:12,074 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:32:12,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:32:12,074 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:32:12,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:32:12,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:32:12,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:32:12,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:32:12,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:32:12,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:32:12,076 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:32:12,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:32:12,076 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:32:12,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:32:12,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:32:12,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:32:12,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:32:12,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:32:12,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:32:12,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:32:12,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:32:12,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:32:12,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:32:12,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:32:12,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:32:12,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:32:12,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:32:12,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:32:12,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:32:12,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:32:12,393 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:32:12,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product29.cil.c [2019-10-14 23:32:12,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a715463b8/af709831f6764f018f3ce18d81939829/FLAGcce6e0b11 [2019-10-14 23:32:13,096 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:32:13,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product29.cil.c [2019-10-14 23:32:13,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a715463b8/af709831f6764f018f3ce18d81939829/FLAGcce6e0b11 [2019-10-14 23:32:13,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a715463b8/af709831f6764f018f3ce18d81939829 [2019-10-14 23:32:13,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:32:13,305 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:32:13,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:32:13,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:32:13,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:32:13,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:32:13" (1/1) ... [2019-10-14 23:32:13,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ef6259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:32:13, skipping insertion in model container [2019-10-14 23:32:13,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:32:13" (1/1) ... [2019-10-14 23:32:13,322 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:32:13,387 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:32:14,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:32:14,121 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:32:14,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:32:14,314 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:32:14,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:32:14 WrapperNode [2019-10-14 23:32:14,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:32:14,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:32:14,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:32:14,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:32:14,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:32:14" (1/1) ... [2019-10-14 23:32:14,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:32:14" (1/1) ... [2019-10-14 23:32:14,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:32:14" (1/1) ... [2019-10-14 23:32:14,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:32:14" (1/1) ... [2019-10-14 23:32:14,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:32:14" (1/1) ... [2019-10-14 23:32:14,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:32:14" (1/1) ... [2019-10-14 23:32:14,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:32:14" (1/1) ... [2019-10-14 23:32:14,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:32:14,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:32:14,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:32:14,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:32:14,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:32:14" (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 [2019-10-14 23:32:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:32:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:32:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:32:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:32:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:32:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:32:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:32:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-14 23:32:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-14 23:32:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-14 23:32:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:32:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-14 23:32:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:32:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:32:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:32:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-14 23:32:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-14 23:32:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:32:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-14 23:32:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-14 23:32:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-14 23:32:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:32:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:32:14,544 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-14 23:32:14,544 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-14 23:32:14,544 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:32:14,544 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:32:14,544 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:32:14,545 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:32:14,545 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:32:14,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:32:14,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:32:14,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:32:14,546 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:32:14,546 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-14 23:32:14,546 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-14 23:32:14,546 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-14 23:32:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:32:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:32:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:32:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:32:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:32:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:32:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:32:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:32:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:32:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:32:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:32:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:32:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:32:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:32:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:32:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:32:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:32:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:32:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:32:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:32:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:32:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:32:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:32:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:32:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:32:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:32:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:32:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:32:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:32:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:32:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:32:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:32:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:32:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:32:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:32:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:32:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:32:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:32:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:32:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:32:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:32:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:32:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:32:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:32:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:32:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:32:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:32:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:32:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:32:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:32:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:32:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:32:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:32:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:32:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:32:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:32:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:32:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:32:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:32:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:32:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:32:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:32:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:32:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:32:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:32:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:32:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:32:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:32:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:32:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:32:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:32:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:32:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:32:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:32:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:32:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:32:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:32:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-14 23:32:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:32:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-14 23:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-14 23:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-14 23:32:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-14 23:32:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:32:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:32:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-14 23:32:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-14 23:32:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:32:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:32:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:32:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:32:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:32:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:32:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:32:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:32:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:32:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:32:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-14 23:32:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-14 23:32:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-14 23:32:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-14 23:32:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-14 23:32:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-14 23:32:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-14 23:32:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-14 23:32:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:32:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:32:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:32:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:32:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:32:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:32:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:32:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:32:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:32:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:32:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:32:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:32:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:32:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:32:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:32:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-14 23:32:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:32:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:32:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:32:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:32:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:32:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:32:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:32:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:32:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:32:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:32:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:32:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:32:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:32:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:32:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:32:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:32:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:32:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:32:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:32:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:32:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:32:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:32:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:32:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:32:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:32:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:32:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:32:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:32:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:32:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:32:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:32:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:32:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:32:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:32:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:32:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:32:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:32:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:32:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:32:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:32:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:32:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:32:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:32:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:32:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:32:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:32:16,561 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:32:16,561 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:32:16,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:32:16 BoogieIcfgContainer [2019-10-14 23:32:16,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:32:16,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:32:16,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:32:16,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:32:16,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:32:13" (1/3) ... [2019-10-14 23:32:16,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf651ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:32:16, skipping insertion in model container [2019-10-14 23:32:16,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:32:14" (2/3) ... [2019-10-14 23:32:16,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf651ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:32:16, skipping insertion in model container [2019-10-14 23:32:16,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:32:16" (3/3) ... [2019-10-14 23:32:16,576 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product29.cil.c [2019-10-14 23:32:16,586 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:32:16,598 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:32:16,610 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:32:16,652 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:32:16,652 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:32:16,652 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:32:16,652 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:32:16,652 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:32:16,655 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:32:16,656 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:32:16,656 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:32:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states. [2019-10-14 23:32:16,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-14 23:32:16,740 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:32:16,741 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] [2019-10-14 23:32:16,743 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:32:16,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:32:16,750 INFO L82 PathProgramCache]: Analyzing trace with hash 584994227, now seen corresponding path program 1 times [2019-10-14 23:32:16,759 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:32:16,760 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751564770] [2019-10-14 23:32:16,760 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:32:16,760 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:32:16,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:32:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,270 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 580 [2019-10-14 23:32:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:19,690 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:32:19,691 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751564770] [2019-10-14 23:32:19,692 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:32:19,692 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:32:19,692 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096618824] [2019-10-14 23:32:19,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:32:19,697 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:32:19,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:32:19,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:32:19,714 INFO L87 Difference]: Start difference. First operand 606 states. Second operand 11 states. [2019-10-14 23:32:34,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:32:34,925 INFO L93 Difference]: Finished difference Result 1338 states and 2043 transitions. [2019-10-14 23:32:34,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-10-14 23:32:34,927 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2019-10-14 23:32:34,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:32:34,954 INFO L225 Difference]: With dead ends: 1338 [2019-10-14 23:32:34,954 INFO L226 Difference]: Without dead ends: 894 [2019-10-14 23:32:34,964 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2019-10-14 23:32:34,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2019-10-14 23:32:35,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 549. [2019-10-14 23:32:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2019-10-14 23:32:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 752 transitions. [2019-10-14 23:32:35,363 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 752 transitions. Word has length 167 [2019-10-14 23:32:35,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:32:35,364 INFO L462 AbstractCegarLoop]: Abstraction has 549 states and 752 transitions. [2019-10-14 23:32:35,364 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:32:35,364 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 752 transitions. [2019-10-14 23:32:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-14 23:32:35,376 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:32:35,377 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] [2019-10-14 23:32:35,377 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:32:35,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:32:35,378 INFO L82 PathProgramCache]: Analyzing trace with hash 758057620, now seen corresponding path program 1 times [2019-10-14 23:32:35,378 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:32:35,379 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217308029] [2019-10-14 23:32:35,379 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:32:35,379 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:32:35,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:32:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,205 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 580 [2019-10-14 23:32:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:32:37,613 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:32:37,613 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217308029] [2019-10-14 23:32:37,614 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:32:37,614 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:32:37,614 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835189430] [2019-10-14 23:32:37,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:32:37,632 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:32:37,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:32:37,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:32:37,633 INFO L87 Difference]: Start difference. First operand 549 states and 752 transitions. Second operand 12 states. [2019-10-14 23:32:43,466 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 583