/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_spec8_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:49:44,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:49:44,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:49:44,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:49:44,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:49:44,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:49:44,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:49:44,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:49:44,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:49:44,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:49:44,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:49:44,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:49:44,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:49:44,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:49:44,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:49:44,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:49:44,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:49:44,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:49:44,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:49:44,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:49:44,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:49:44,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:49:44,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:49:44,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:49:44,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:49:44,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:49:44,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:49:44,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:49:44,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:49:44,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:49:44,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:49:44,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:49:44,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:49:44,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:49:44,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:49:44,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:49:44,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:49:44,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:49:44,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:49:44,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:49:44,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:49:44,644 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 21:49:44,661 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:49:44,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:49:44,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:49:44,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:49:44,663 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:49:44,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:49:44,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:49:44,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:49:44,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:49:44,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:49:44,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:49:44,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:49:44,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:49:44,666 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:49:44,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:49:44,666 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:49:44,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:49:44,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:49:44,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:49:44,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:49:44,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:49:44,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:49:44,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:49:44,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:49:44,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:49:44,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:49:44,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:49:44,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:49:44,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:49:44,970 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:49:44,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:49:44,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:49:44,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:49:44,993 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:49:44,994 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product14.cil.c [2019-11-06 21:49:45,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3277d3f1/9779ee49459c4ea7bc03b2d8846d144f/FLAGbd7ad0889 [2019-11-06 21:49:45,666 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:49:45,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product14.cil.c [2019-11-06 21:49:45,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3277d3f1/9779ee49459c4ea7bc03b2d8846d144f/FLAGbd7ad0889 [2019-11-06 21:49:45,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3277d3f1/9779ee49459c4ea7bc03b2d8846d144f [2019-11-06 21:49:45,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:49:45,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:49:45,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:49:45,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:49:45,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:49:45,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:49:45" (1/1) ... [2019-11-06 21:49:45,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c676e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:45, skipping insertion in model container [2019-11-06 21:49:45,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:49:45" (1/1) ... [2019-11-06 21:49:45,945 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:49:46,009 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:49:46,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:49:46,726 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:49:46,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:49:46,963 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:49:46,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:46 WrapperNode [2019-11-06 21:49:46,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:49:46,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:49:46,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:49:46,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:49:46,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:46" (1/1) ... [2019-11-06 21:49:46,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:46" (1/1) ... [2019-11-06 21:49:47,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:46" (1/1) ... [2019-11-06 21:49:47,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:46" (1/1) ... [2019-11-06 21:49:47,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:46" (1/1) ... [2019-11-06 21:49:47,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:46" (1/1) ... [2019-11-06 21:49:47,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:46" (1/1) ... [2019-11-06 21:49:47,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:49:47,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:49:47,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:49:47,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:49:47,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:46" (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 21:49:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:49:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:49:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:49:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:49:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:49:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:49:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:49:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:49:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:49:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:49:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:49:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-06 21:49:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-06 21:49:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:49:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:49:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-11-06 21:49:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:49:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:49:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:49:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:49:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:49:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:49:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:49:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:49:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:49:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-06 21:49:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:49:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-06 21:49:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:49:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-06 21:49:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:49:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:49:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:49:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-11-06 21:49:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-11-06 21:49:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:49:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:49:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:49:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:49:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:49:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:49:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:49:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:49:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:49:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:49:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:49:47,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:49:47,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:49:47,269 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:49:47,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:49:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:49:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:49:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:49:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:49:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:49:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:49:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:49:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:49:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:49:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:49:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:49:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:49:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:49:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:49:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:49:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:49:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:49:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:49:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:49:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:49:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:49:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:49:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:49:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:49:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:49:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:49:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:49:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:49:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:49:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:49:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:49:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:49:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:49:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:49:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:49:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:49:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:49:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:49:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:49:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:49:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:49:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:49:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:49:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:49:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:49:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:49:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:49:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:49:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:49:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:49:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:49:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:49:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:49:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:49:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:49:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-06 21:49:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:49:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:49:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:49:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:49:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:49:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:49:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:49:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:49:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:49:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:49:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:49:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:49:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:49:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:49:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:49:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:49:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:49:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:49:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:49:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:49:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:49:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:49:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:49:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:49:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:49:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:49:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:49:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:49:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:49:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:49:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:49:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:49:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:49:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:49:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:49:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:49:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:49:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:49:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:49:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:49:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:49:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:49:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:49:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:49:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:49:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:49:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:49:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:49:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:49:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:49:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:49:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:49:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:49:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-06 21:49:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-11-06 21:49:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-06 21:49:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-06 21:49:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-11-06 21:49:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-11-06 21:49:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:49:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:49:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:49:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:49:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:49:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:49:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-06 21:49:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-06 21:49:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:49:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:49:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:49:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:49:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:49:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:49:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:49:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:49:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:49:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:49:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:49:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:49:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:49:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:49:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:49:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:49:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:49:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-06 21:49:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:49:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:49:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:49:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:49:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:49:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:49:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:49:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:49:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:49:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:49:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:49:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:49:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:49:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:49:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:49:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:49:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:49:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:49:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:49:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:49:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:49:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:49:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:49:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:49:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:49:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:49:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:49:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:49:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:49:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:49:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:49:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:49:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:49:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:49:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:49:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:49:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:49:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:49:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:49:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:49:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:49:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:49:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:49:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:49:49,548 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:49:49,548 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:49:49,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:49:49 BoogieIcfgContainer [2019-11-06 21:49:49,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:49:49,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:49:49,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:49:49,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:49:49,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:49:45" (1/3) ... [2019-11-06 21:49:49,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e007d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:49:49, skipping insertion in model container [2019-11-06 21:49:49,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:46" (2/3) ... [2019-11-06 21:49:49,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e007d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:49:49, skipping insertion in model container [2019-11-06 21:49:49,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:49:49" (3/3) ... [2019-11-06 21:49:49,559 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product14.cil.c [2019-11-06 21:49:49,569 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:49:49,584 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:49:49,596 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:49:49,637 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:49:49,637 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:49:49,637 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:49:49,637 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:49:49,637 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:49:49,637 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:49:49,638 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:49:49,638 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:49:49,677 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states. [2019-11-06 21:49:49,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-06 21:49:49,709 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:49:49,711 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 21:49:49,714 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:49:49,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:49:49,720 INFO L82 PathProgramCache]: Analyzing trace with hash 601456659, now seen corresponding path program 1 times [2019-11-06 21:49:49,730 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:49:49,734 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655816810] [2019-11-06 21:49:49,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:49:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,331 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 562 [2019-11-06 21:49:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:52,753 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 21:49:52,754 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655816810] [2019-11-06 21:49:52,755 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:49:52,755 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:49:52,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694310753] [2019-11-06 21:49:52,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:49:52,763 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:49:52,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:49:52,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:49:52,780 INFO L87 Difference]: Start difference. First operand 521 states. Second operand 10 states. [2019-11-06 21:50:04,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:50:04,440 INFO L93 Difference]: Finished difference Result 1039 states and 1579 transitions. [2019-11-06 21:50:04,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-06 21:50:04,442 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2019-11-06 21:50:04,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:50:04,468 INFO L225 Difference]: With dead ends: 1039 [2019-11-06 21:50:04,468 INFO L226 Difference]: Without dead ends: 746 [2019-11-06 21:50:04,476 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2019-11-06 21:50:04,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2019-11-06 21:50:04,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 470. [2019-11-06 21:50:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-11-06 21:50:04,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 651 transitions. [2019-11-06 21:50:04,726 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 651 transitions. Word has length 154 [2019-11-06 21:50:04,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:50:04,726 INFO L462 AbstractCegarLoop]: Abstraction has 470 states and 651 transitions. [2019-11-06 21:50:04,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:50:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 651 transitions. [2019-11-06 21:50:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-06 21:50:04,732 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:50:04,732 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 21:50:04,732 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:50:04,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:50:04,733 INFO L82 PathProgramCache]: Analyzing trace with hash -855609359, now seen corresponding path program 1 times [2019-11-06 21:50:04,733 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:50:04,733 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842620433] [2019-11-06 21:50:04,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:50:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,644 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 562 [2019-11-06 21:50:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:07,014 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 21:50:07,015 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842620433] [2019-11-06 21:50:07,015 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:50:07,015 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:50:07,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884959711] [2019-11-06 21:50:07,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:50:07,027 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:50:07,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:50:07,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:50:07,028 INFO L87 Difference]: Start difference. First operand 470 states and 651 transitions. Second operand 11 states. [2019-11-06 21:50:11,230 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 565 [2019-11-06 21:50:22,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:50:22,835 INFO L93 Difference]: Finished difference Result 954 states and 1406 transitions. [2019-11-06 21:50:22,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 21:50:22,835 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 155 [2019-11-06 21:50:22,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:50:22,852 INFO L225 Difference]: With dead ends: 954 [2019-11-06 21:50:22,852 INFO L226 Difference]: Without dead ends: 749 [2019-11-06 21:50:22,854 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2019-11-06 21:50:22,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2019-11-06 21:50:23,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 472. [2019-11-06 21:50:23,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2019-11-06 21:50:23,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 653 transitions. [2019-11-06 21:50:23,054 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 653 transitions. Word has length 155 [2019-11-06 21:50:23,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:50:23,055 INFO L462 AbstractCegarLoop]: Abstraction has 472 states and 653 transitions. [2019-11-06 21:50:23,055 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:50:23,055 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 653 transitions. [2019-11-06 21:50:23,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-11-06 21:50:23,058 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:50:23,058 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, 1, 1, 1, 1, 1] [2019-11-06 21:50:23,059 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:50:23,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:50:23,059 INFO L82 PathProgramCache]: Analyzing trace with hash 85272997, now seen corresponding path program 1 times [2019-11-06 21:50:23,059 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:50:23,060 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044785301] [2019-11-06 21:50:23,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:50:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:24,651 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 562 [2019-11-06 21:50:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat