/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec9_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:51:46,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:51:46,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:51:46,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:51:46,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:51:46,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:51:46,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:51:46,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:51:46,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:51:46,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:51:46,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:51:46,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:51:46,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:51:46,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:51:46,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:51:46,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:51:46,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:51:46,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:51:46,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:51:46,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:51:46,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:51:46,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:51:46,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:51:46,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:51:46,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:51:46,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:51:46,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:51:46,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:51:46,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:51:46,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:51:46,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:51:46,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:51:46,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:51:46,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:51:46,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:51:46,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:51:46,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:51:46,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:51:46,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:51:46,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:51:46,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:51:46,578 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:51:46,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:51:46,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:51:46,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:51:46,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:51:46,615 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:51:46,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:51:46,615 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:51:46,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:51:46,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:51:46,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:51:46,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:51:46,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:51:46,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:51:46,616 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:51:46,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:51:46,617 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:51:46,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:51:46,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:51:46,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:51:46,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:51:46,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:51:46,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:51:46,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:51:46,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:51:46,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:51:46,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:51:46,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:51:46,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:51:46,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:51:46,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:51:46,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:51:46,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:51:46,905 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:51:46,906 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:51:46,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product15.cil.c [2019-11-06 21:51:46,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de64dd9c1/2cdafcb2de484722b6cfb6f1750236ea/FLAGcede6cb01 [2019-11-06 21:51:47,576 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:51:47,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product15.cil.c [2019-11-06 21:51:47,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de64dd9c1/2cdafcb2de484722b6cfb6f1750236ea/FLAGcede6cb01 [2019-11-06 21:51:47,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de64dd9c1/2cdafcb2de484722b6cfb6f1750236ea [2019-11-06 21:51:47,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:51:47,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:51:47,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:51:47,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:51:47,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:51:47,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:51:47" (1/1) ... [2019-11-06 21:51:47,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a174b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:47, skipping insertion in model container [2019-11-06 21:51:47,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:51:47" (1/1) ... [2019-11-06 21:51:47,866 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:51:47,942 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:51:48,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:51:48,788 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:51:48,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:51:49,047 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:51:49,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:49 WrapperNode [2019-11-06 21:51:49,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:51:49,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:51:49,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:51:49,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:51:49,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:49" (1/1) ... [2019-11-06 21:51:49,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:49" (1/1) ... [2019-11-06 21:51:49,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:49" (1/1) ... [2019-11-06 21:51:49,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:49" (1/1) ... [2019-11-06 21:51:49,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:49" (1/1) ... [2019-11-06 21:51:49,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:49" (1/1) ... [2019-11-06 21:51:49,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:49" (1/1) ... [2019-11-06 21:51:49,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:51:49,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:51:49,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:51:49,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:51:49,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:51:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:51:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:51:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:51:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:51:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:51:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:51:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:51:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:51:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:51:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:51:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:51:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:51:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:51:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:51:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:51:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:51:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:51:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:51:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:51:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:51:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:51:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:51:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:51:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:51:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:51:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:51:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:51:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:51:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:51:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:51:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:51:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:51:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:51:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:51:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:51:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:51:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:51:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:51:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:51:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:51:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:51:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:51:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:51:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:51:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:51:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:51:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:51:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:51:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:51:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:51:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:51:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:51:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:51:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:51:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:51:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:51:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:51:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:51:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:51:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:51:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:51:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:51:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:51:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:51:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:51:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:51:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:51:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-06 21:51:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:51:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:51:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-06 21:51:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-11-06 21:51:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:51:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:51:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:51:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:51:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:51:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:51:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:51:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:51:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:51:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-06 21:51:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-11-06 21:51:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-11-06 21:51:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:51:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:51:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:51:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:51:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:51:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:51:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:51:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:51:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:51:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:51:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:51:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:51:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:51:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:51:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:51:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:51:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:51:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:51:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:51:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-06 21:51:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-06 21:51:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:51:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-06 21:51:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:51:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:51:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:51:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:51:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:51:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:51:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:51:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:51:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:51:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:51:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:51:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:51:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:51:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:51:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:51:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:51:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:51:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:51:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:51:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:51:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:51:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:51:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:51:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:51:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:51:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:51:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:51:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:51:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:51:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:51:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:51:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-06 21:51:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:51:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:51:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:51:49,340 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:51:49,340 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:51:49,340 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:51:49,340 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:51:49,340 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:51:49,340 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:51:49,340 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:51:49,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:51:49,341 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:51:49,341 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:51:49,341 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:51:49,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:51:49,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:51:49,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:51:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:51:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:51:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:51:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:51:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:51:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:51:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:51:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:51:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:51:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:51:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:51:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:51:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:51:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:51:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:51:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:51:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:51:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:51:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:51:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:51:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:51:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:51:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:51:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:51:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:51:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:51:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:51:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:51:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:51:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:51:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:51:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:51:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:51:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:51:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:51:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:51:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:51:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:51:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:51:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:51:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:51:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:51:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:51:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:51:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:51:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:51:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:51:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:51:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:51:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:51:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:51:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:51:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:51:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:51:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-06 21:51:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-11-06 21:51:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-06 21:51:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-06 21:51:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-11-06 21:51:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-11-06 21:51:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:51:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:51:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:51:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:51:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:51:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:51:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:51:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:51:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:51:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:51:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:51:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:51:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:51:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:51:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-06 21:51:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-06 21:51:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:51:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:51:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:51:51,287 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:51:51,287 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:51:51,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:51:51 BoogieIcfgContainer [2019-11-06 21:51:51,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:51:51,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:51:51,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:51:51,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:51:51,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:51:47" (1/3) ... [2019-11-06 21:51:51,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5114f2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:51:51, skipping insertion in model container [2019-11-06 21:51:51,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:49" (2/3) ... [2019-11-06 21:51:51,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5114f2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:51:51, skipping insertion in model container [2019-11-06 21:51:51,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:51:51" (3/3) ... [2019-11-06 21:51:51,297 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product15.cil.c [2019-11-06 21:51:51,306 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:51:51,318 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:51:51,332 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:51:51,364 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:51:51,364 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:51:51,364 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:51:51,364 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:51:51,365 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:51:51,365 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:51:51,365 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:51:51,365 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:51:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2019-11-06 21:51:51,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-06 21:51:51,445 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:51:51,446 INFO L410 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] [2019-11-06 21:51:51,449 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:51:51,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:51:51,457 INFO L82 PathProgramCache]: Analyzing trace with hash -334786029, now seen corresponding path program 1 times [2019-11-06 21:51:51,469 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:51:51,470 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842616066] [2019-11-06 21:51:51,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:51:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:53,843 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 556 [2019-11-06 21:51:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:51:54,244 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 21:51:54,245 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842616066] [2019-11-06 21:51:54,246 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:51:54,246 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:51:54,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357879883] [2019-11-06 21:51:54,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:51:54,252 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:51:54,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:51:54,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:51:54,269 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 10 states. [2019-11-06 21:52:07,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:52:07,877 INFO L93 Difference]: Finished difference Result 971 states and 1426 transitions. [2019-11-06 21:52:07,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-06 21:52:07,879 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2019-11-06 21:52:07,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:52:07,904 INFO L225 Difference]: With dead ends: 971 [2019-11-06 21:52:07,904 INFO L226 Difference]: Without dead ends: 692 [2019-11-06 21:52:07,920 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2019-11-06 21:52:07,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2019-11-06 21:52:08,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 423. [2019-11-06 21:52:08,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2019-11-06 21:52:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 564 transitions. [2019-11-06 21:52:08,205 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 564 transitions. Word has length 145 [2019-11-06 21:52:08,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:52:08,207 INFO L462 AbstractCegarLoop]: Abstraction has 423 states and 564 transitions. [2019-11-06 21:52:08,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:52:08,207 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 564 transitions. [2019-11-06 21:52:08,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-06 21:52:08,219 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:52:08,220 INFO L410 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] [2019-11-06 21:52:08,220 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:52:08,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:52:08,221 INFO L82 PathProgramCache]: Analyzing trace with hash 307688883, now seen corresponding path program 1 times [2019-11-06 21:52:08,221 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:52:08,221 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851824318] [2019-11-06 21:52:08,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:52:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,006 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 556 [2019-11-06 21:52:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:52:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 21:52:10,313 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851824318] [2019-11-06 21:52:10,313 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:52:10,314 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:52:10,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979194429] [2019-11-06 21:52:10,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:52:10,316 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:52:10,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:52:10,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:52:10,317 INFO L87 Difference]: Start difference. First operand 423 states and 564 transitions. Second operand 11 states. [2019-11-06 21:52:15,261 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 559 [2019-11-06 21:52:26,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:52:26,770 INFO L93 Difference]: Finished difference Result 886 states and 1260 transitions. [2019-11-06 21:52:26,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 21:52:26,771 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2019-11-06 21:52:26,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:52:26,778 INFO L225 Difference]: With dead ends: 886 [2019-11-06 21:52:26,779 INFO L226 Difference]: Without dead ends: 695 [2019-11-06 21:52:26,782 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2019-11-06 21:52:26,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2019-11-06 21:52:26,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 425. [2019-11-06 21:52:26,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-11-06 21:52:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 566 transitions. [2019-11-06 21:52:26,940 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 566 transitions. Word has length 146 [2019-11-06 21:52:26,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:52:26,941 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 566 transitions. [2019-11-06 21:52:26,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:52:26,941 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 566 transitions. [2019-11-06 21:52:26,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-06 21:52:26,944 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:52:26,945 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:52:26,945 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:52:26,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:52:26,945 INFO L82 PathProgramCache]: Analyzing trace with hash -179459229, now seen corresponding path program 1 times [2019-11-06 21:52:26,946 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:52:26,946 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941860811] [2019-11-06 21:52:26,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:52:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat