/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_spec1_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:40:37,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:40:37,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:40:37,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:40:37,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:40:37,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:40:37,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:40:37,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:40:37,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:40:37,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:40:37,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:40:37,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:40:37,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:40:37,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:40:37,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:40:37,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:40:37,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:40:37,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:40:37,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:40:37,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:40:37,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:40:37,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:40:37,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:40:37,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:40:37,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:40:37,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:40:37,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:40:37,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:40:37,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:40:37,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:40:37,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:40:37,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:40:37,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:40:37,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:40:37,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:40:37,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:40:37,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:40:37,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:40:37,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:40:37,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:40:37,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:40:37,370 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 21:40:37,384 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:40:37,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:40:37,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:40:37,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:40:37,386 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:40:37,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:40:37,387 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:40:37,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:40:37,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:40:37,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:40:37,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:40:37,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:40:37,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:40:37,388 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:40:37,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:40:37,388 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:40:37,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:40:37,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:40:37,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:40:37,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:40:37,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:40:37,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:40:37,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:40:37,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:40:37,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:40:37,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:40:37,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:40:37,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:40:37,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:40:37,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:40:37,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:40:37,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:40:37,678 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:40:37,679 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:40:37,680 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c [2019-11-06 21:40:37,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a152da27/5a4109084dc342d394c3d2659b197f54/FLAGdb1f6dcef [2019-11-06 21:40:38,347 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:40:38,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c [2019-11-06 21:40:38,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a152da27/5a4109084dc342d394c3d2659b197f54/FLAGdb1f6dcef [2019-11-06 21:40:38,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a152da27/5a4109084dc342d394c3d2659b197f54 [2019-11-06 21:40:38,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:40:38,588 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:40:38,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:40:38,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:40:38,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:40:38,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:40:38" (1/1) ... [2019-11-06 21:40:38,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244b71ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:38, skipping insertion in model container [2019-11-06 21:40:38,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:40:38" (1/1) ... [2019-11-06 21:40:38,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:40:38,692 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:40:39,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:40:39,417 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:40:39,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:40:39,666 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:40:39,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:39 WrapperNode [2019-11-06 21:40:39,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:40:39,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:40:39,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:40:39,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:40:39,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:39" (1/1) ... [2019-11-06 21:40:39,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:39" (1/1) ... [2019-11-06 21:40:39,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:39" (1/1) ... [2019-11-06 21:40:39,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:39" (1/1) ... [2019-11-06 21:40:39,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:39" (1/1) ... [2019-11-06 21:40:39,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:39" (1/1) ... [2019-11-06 21:40:39,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:39" (1/1) ... [2019-11-06 21:40:39,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:40:39,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:40:39,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:40:39,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:40:39,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:39" (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 21:40:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:40:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:40:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:40:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:40:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:40:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:40:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:40:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:40:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:40:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:40:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:40:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:40:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:40:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:40:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:40:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:40:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:40:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:40:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:40:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:40:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:40:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:40:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:40:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:40:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:40:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:40:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:40:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:40:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:40:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:40:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:40:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:40:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-06 21:40:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:40:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-06 21:40:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-06 21:40:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:40:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:40:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-11-06 21:40:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:40:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:40:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:40:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:40:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:40:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:40:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:40:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:40:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:40:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-06 21:40:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-06 21:40:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:40:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-06 21:40:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:40:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:40:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:40:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:40:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:40:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:40:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:40:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:40:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:40:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:40:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:40:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:40:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:40:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:40:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:40:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:40:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:40:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:40:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:40:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:40:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:40:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:40:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:40:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:40:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:40:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:40:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:40:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:40:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:40:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:40:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:40:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:40:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:40:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:40:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-06 21:40:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:40:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:40:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:40:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:40:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:40:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:40:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:40:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:40:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:40:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:40:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:40:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:40:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:40:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:40:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:40:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:40:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:40:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:40:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:40:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:40:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:40:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:40:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:40:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:40:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:40:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:40:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:40:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:40:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:40:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:40:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:40:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:40:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:40:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:40:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:40:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:40:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:40:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:40:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:40:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:40:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:40:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:40:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:40:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:40:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:40:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:40:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:40:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:40:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:40:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:40:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:40:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:40:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:40:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:40:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:40:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:40:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-06 21:40:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:40:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:40:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:40:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:40:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:40:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:40:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:40:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:40:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:40:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:40:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:40:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:40:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:40:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:40:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:40:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:40:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:40:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:40:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:40:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:40:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:40:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-06 21:40:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-06 21:40:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-06 21:40:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-11-06 21:40:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:40:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:40:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:40:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:40:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:40:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-06 21:40:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-06 21:40:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:40:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:40:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:40:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:40:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:40:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:40:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:40:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:40:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:40:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:40:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:40:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:40:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:40:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:40:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:40:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:40:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:40:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:40:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:40:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:40:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:40:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:40:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:40:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:40:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:40:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:40:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-06 21:40:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:40:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:40:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:40:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:40:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:40:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:40:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:40:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:40:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:40:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:40:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:40:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:40:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:40:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:40:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:40:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:40:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:40:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:40:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:40:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:40:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:40:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:40:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:40:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:40:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:40:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:40:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:40:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:40:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:40:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:40:42,217 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:40:42,217 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:40:42,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:40:42 BoogieIcfgContainer [2019-11-06 21:40:42,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:40:42,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:40:42,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:40:42,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:40:42,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:40:38" (1/3) ... [2019-11-06 21:40:42,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d317e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:40:42, skipping insertion in model container [2019-11-06 21:40:42,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:39" (2/3) ... [2019-11-06 21:40:42,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d317e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:40:42, skipping insertion in model container [2019-11-06 21:40:42,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:40:42" (3/3) ... [2019-11-06 21:40:42,229 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product14.cil.c [2019-11-06 21:40:42,239 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:40:42,248 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:40:42,260 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:40:42,299 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:40:42,299 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:40:42,299 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:40:42,299 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:40:42,299 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:40:42,299 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:40:42,299 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:40:42,299 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:40:42,337 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states. [2019-11-06 21:40:42,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-06 21:40:42,369 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:40:42,371 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:40:42,374 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:40:42,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:40:42,381 INFO L82 PathProgramCache]: Analyzing trace with hash 2061337628, now seen corresponding path program 1 times [2019-11-06 21:40:42,391 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:40:42,392 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566480896] [2019-11-06 21:40:42,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:40:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,786 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 544 [2019-11-06 21:40:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:45,166 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 21:40:45,166 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566480896] [2019-11-06 21:40:45,167 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:40:45,167 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:40:45,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789423002] [2019-11-06 21:40:45,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:40:45,174 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:40:45,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:40:45,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:40:45,191 INFO L87 Difference]: Start difference. First operand 517 states. Second operand 10 states. [2019-11-06 21:41:01,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:41:01,022 INFO L93 Difference]: Finished difference Result 1067 states and 1650 transitions. [2019-11-06 21:41:01,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-06 21:41:01,024 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2019-11-06 21:41:01,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:41:01,051 INFO L225 Difference]: With dead ends: 1067 [2019-11-06 21:41:01,052 INFO L226 Difference]: Without dead ends: 774 [2019-11-06 21:41:01,060 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2019-11-06 21:41:01,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2019-11-06 21:41:01,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 466. [2019-11-06 21:41:01,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2019-11-06 21:41:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 647 transitions. [2019-11-06 21:41:01,323 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 647 transitions. Word has length 154 [2019-11-06 21:41:01,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:41:01,324 INFO L462 AbstractCegarLoop]: Abstraction has 466 states and 647 transitions. [2019-11-06 21:41:01,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:41:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 647 transitions. [2019-11-06 21:41:01,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-06 21:41:01,329 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:41:01,329 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:41:01,329 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:41:01,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:41:01,330 INFO L82 PathProgramCache]: Analyzing trace with hash -963846558, now seen corresponding path program 1 times [2019-11-06 21:41:01,330 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:41:01,330 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481494629] [2019-11-06 21:41:01,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:41:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:02,960 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 544 [2019-11-06 21:41:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:03,307 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 21:41:03,307 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481494629] [2019-11-06 21:41:03,308 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:41:03,308 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:41:03,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499204771] [2019-11-06 21:41:03,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:41:03,312 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:41:03,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:41:03,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:41:03,313 INFO L87 Difference]: Start difference. First operand 466 states and 647 transitions. Second operand 11 states. [2019-11-06 21:41:07,761 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 547