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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:39:59,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:39:59,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:39:59,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:39:59,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:39:59,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:39:59,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:39:59,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:39:59,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:39:59,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:39:59,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:39:59,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:39:59,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:39:59,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:39:59,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:39:59,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:39:59,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:39:59,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:39:59,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:39:59,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:39:59,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:39:59,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:39:59,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:39:59,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:39:59,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:39:59,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:39:59,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:39:59,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:39:59,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:39:59,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:39:59,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:39:59,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:39:59,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:39:59,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:39:59,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:39:59,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:39:59,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:39:59,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:39:59,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:39:59,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:39:59,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:39:59,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:39:59,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:39:59,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:39:59,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:39:59,345 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:39:59,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:39:59,346 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:39:59,346 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:39:59,346 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:39:59,346 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:39:59,347 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:39:59,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:39:59,351 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:39:59,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:39:59,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:39:59,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:39:59,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:39:59,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:39:59,352 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:39:59,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:39:59,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:39:59,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:39:59,353 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:39:59,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:39:59,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:39:59,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:39:59,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:39:59,355 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:39:59,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:39:59,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:39:59,356 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:39:59,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:39:59,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:39:59,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:39:59,430 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:39:59,431 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:39:59,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product40.cil.c [2019-09-10 02:39:59,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67db09afd/1c81b7a676ef4422a59930bb64fd54d4/FLAGc56bbdb8d [2019-09-10 02:40:00,173 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:40:00,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product40.cil.c [2019-09-10 02:40:00,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67db09afd/1c81b7a676ef4422a59930bb64fd54d4/FLAGc56bbdb8d [2019-09-10 02:40:00,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67db09afd/1c81b7a676ef4422a59930bb64fd54d4 [2019-09-10 02:40:00,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:40:00,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:40:00,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:00,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:40:00,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:40:00,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:00" (1/1) ... [2019-09-10 02:40:00,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a66eb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:00, skipping insertion in model container [2019-09-10 02:40:00,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:00" (1/1) ... [2019-09-10 02:40:00,372 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:40:00,454 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:40:01,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:01,201 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:40:01,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:01,481 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:40:01,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:01 WrapperNode [2019-09-10 02:40:01,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:01,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:40:01,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:40:01,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:40:01,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:01" (1/1) ... [2019-09-10 02:40:01,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:01" (1/1) ... [2019-09-10 02:40:01,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:01" (1/1) ... [2019-09-10 02:40:01,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:01" (1/1) ... [2019-09-10 02:40:01,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:01" (1/1) ... [2019-09-10 02:40:01,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:01" (1/1) ... [2019-09-10 02:40:01,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:01" (1/1) ... [2019-09-10 02:40:01,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:40:01,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:40:01,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:40:01,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:40:01,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:01" (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 [2019-09-10 02:40:01,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:40:01,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:40:01,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:01,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:40:01,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:40:01,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:40:01,773 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:40:01,773 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:40:01,773 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:40:01,773 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:40:01,774 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:40:01,775 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:40:01,775 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-09-10 02:40:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-09-10 02:40:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:40:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:40:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:40:01,778 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:40:01,778 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:40:01,778 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:40:01,779 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:40:01,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:40:01,779 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:40:01,779 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:40:01,780 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:40:01,781 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:40:01,781 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:40:01,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:40:01,781 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:40:01,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:40:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:40:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:40:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:40:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:40:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:40:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:40:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:40:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:40:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:40:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:40:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:40:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:40:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:40:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:40:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:40:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:40:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:40:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:40:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:40:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:40:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:40:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:40:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:40:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:40:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:40:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:40:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:40:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:40:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:40:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:40:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:40:01,789 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:40:01,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:40:01,789 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:40:01,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:40:01,789 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:40:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:40:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:40:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:40:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:40:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:40:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:40:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:40:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:40:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:40:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:40:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:40:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:40:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:40:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:40:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:40:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:40:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:40:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:40:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:40:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:40:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:40:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:40:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:40:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:40:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:40:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:40:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:40:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:40:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:40:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:40:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:40:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:40:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:40:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:40:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:40:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:40:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:40:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:40:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:40:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:40:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:40:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:40:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:40:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:40:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:40:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:40:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:40:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:40:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:40:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:40:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:40:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:40:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:40:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:40:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:40:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:40:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:40:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:40:01,806 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:40:01,806 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:40:01,806 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:40:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:40:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:40:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:40:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:40:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:40:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:40:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:40:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:40:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:40:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:40:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:40:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:40:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:40:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:40:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:40:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:40:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:40:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:40:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:40:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:40:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-09-10 02:40:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-09-10 02:40:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:40:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:40:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:40:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:40:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:40:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:40:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:40:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:40:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:40:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:40:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:40:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:40:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:40:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:40:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:40:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:40:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:40:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:40:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:40:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:40:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:40:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:40:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:40:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:40:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:40:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:40:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:40:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:40:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:40:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:40:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:40:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:40:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:40:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:40:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:40:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:40:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:40:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:40:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:40:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:40:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:40:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:40:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:40:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:40:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:40:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:40:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:40:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:40:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:40:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:40:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:40:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:40:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:40:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:40:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:40:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:40:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:40:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:40:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:40:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:40:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:40:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:40:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:40:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:40:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:40:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:40:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:40:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:40:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:40:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:40:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:40:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:40:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:40:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:40:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:40:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:40:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:40:03,857 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:40:03,858 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:40:03,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:03 BoogieIcfgContainer [2019-09-10 02:40:03,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:40:03,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:40:03,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:40:03,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:40:03,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:40:00" (1/3) ... [2019-09-10 02:40:03,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7960245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:03, skipping insertion in model container [2019-09-10 02:40:03,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:01" (2/3) ... [2019-09-10 02:40:03,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7960245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:03, skipping insertion in model container [2019-09-10 02:40:03,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:03" (3/3) ... [2019-09-10 02:40:03,868 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product40.cil.c [2019-09-10 02:40:03,878 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:40:03,887 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:40:03,905 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:40:03,932 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:40:03,932 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:40:03,932 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:40:03,933 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:40:03,933 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:40:03,933 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:40:03,933 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:40:03,933 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:40:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states. [2019-09-10 02:40:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-09-10 02:40:03,987 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:03,988 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:03,991 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:03,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:03,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1971264003, now seen corresponding path program 1 times [2019-09-10 02:40:03,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:04,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:04,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:04,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:04,051 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:04,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:04,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:40:04,549 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:04,555 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:04,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:04,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:04,573 INFO L87 Difference]: Start difference. First operand 511 states. Second operand 2 states. [2019-09-10 02:40:04,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:04,625 INFO L93 Difference]: Finished difference Result 491 states and 666 transitions. [2019-09-10 02:40:04,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:04,627 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 163 [2019-09-10 02:40:04,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:04,652 INFO L225 Difference]: With dead ends: 491 [2019-09-10 02:40:04,652 INFO L226 Difference]: Without dead ends: 482 [2019-09-10 02:40:04,654 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:04,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2019-09-10 02:40:04,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2019-09-10 02:40:04,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2019-09-10 02:40:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 655 transitions. [2019-09-10 02:40:04,757 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 655 transitions. Word has length 163 [2019-09-10 02:40:04,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:04,760 INFO L475 AbstractCegarLoop]: Abstraction has 482 states and 655 transitions. [2019-09-10 02:40:04,760 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 655 transitions. [2019-09-10 02:40:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-09-10 02:40:04,766 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:04,767 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:04,767 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:04,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:04,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1037006653, now seen corresponding path program 1 times [2019-09-10 02:40:04,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:04,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:04,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:04,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:04,770 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:05,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:05,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:05,093 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:05,098 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:05,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:05,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:05,099 INFO L87 Difference]: Start difference. First operand 482 states and 655 transitions. Second operand 3 states. [2019-09-10 02:40:05,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:05,161 INFO L93 Difference]: Finished difference Result 485 states and 658 transitions. [2019-09-10 02:40:05,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:05,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2019-09-10 02:40:05,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:05,167 INFO L225 Difference]: With dead ends: 485 [2019-09-10 02:40:05,167 INFO L226 Difference]: Without dead ends: 485 [2019-09-10 02:40:05,168 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:05,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-09-10 02:40:05,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 484. [2019-09-10 02:40:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-09-10 02:40:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 657 transitions. [2019-09-10 02:40:05,209 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 657 transitions. Word has length 164 [2019-09-10 02:40:05,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:05,209 INFO L475 AbstractCegarLoop]: Abstraction has 484 states and 657 transitions. [2019-09-10 02:40:05,210 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:05,210 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 657 transitions. [2019-09-10 02:40:05,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-09-10 02:40:05,216 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:05,216 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:05,216 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:05,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:05,217 INFO L82 PathProgramCache]: Analyzing trace with hash 577794284, now seen corresponding path program 1 times [2019-09-10 02:40:05,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:05,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:05,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:05,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:05,219 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:05,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:05,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:05,353 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:05,354 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:05,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:05,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:05,355 INFO L87 Difference]: Start difference. First operand 484 states and 657 transitions. Second operand 3 states. [2019-09-10 02:40:05,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:05,387 INFO L93 Difference]: Finished difference Result 529 states and 733 transitions. [2019-09-10 02:40:05,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:05,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2019-09-10 02:40:05,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:05,394 INFO L225 Difference]: With dead ends: 529 [2019-09-10 02:40:05,395 INFO L226 Difference]: Without dead ends: 529 [2019-09-10 02:40:05,395 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:05,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2019-09-10 02:40:05,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 528. [2019-09-10 02:40:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2019-09-10 02:40:05,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 732 transitions. [2019-09-10 02:40:05,433 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 732 transitions. Word has length 176 [2019-09-10 02:40:05,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:05,434 INFO L475 AbstractCegarLoop]: Abstraction has 528 states and 732 transitions. [2019-09-10 02:40:05,434 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 732 transitions. [2019-09-10 02:40:05,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-09-10 02:40:05,440 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:05,441 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:05,441 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:05,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:05,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1133233840, now seen corresponding path program 1 times [2019-09-10 02:40:05,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:05,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:05,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:05,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:05,443 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:05,675 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:05,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:05,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:05,676 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:05,677 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:05,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:05,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:05,677 INFO L87 Difference]: Start difference. First operand 528 states and 732 transitions. Second operand 3 states. [2019-09-10 02:40:05,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:05,708 INFO L93 Difference]: Finished difference Result 614 states and 877 transitions. [2019-09-10 02:40:05,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:05,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-09-10 02:40:05,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:05,720 INFO L225 Difference]: With dead ends: 614 [2019-09-10 02:40:05,721 INFO L226 Difference]: Without dead ends: 614 [2019-09-10 02:40:05,722 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:05,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2019-09-10 02:40:05,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 613. [2019-09-10 02:40:05,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2019-09-10 02:40:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 876 transitions. [2019-09-10 02:40:05,747 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 876 transitions. Word has length 177 [2019-09-10 02:40:05,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:05,748 INFO L475 AbstractCegarLoop]: Abstraction has 613 states and 876 transitions. [2019-09-10 02:40:05,748 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:05,748 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 876 transitions. [2019-09-10 02:40:05,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-09-10 02:40:05,753 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:05,753 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:05,753 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:05,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:05,754 INFO L82 PathProgramCache]: Analyzing trace with hash -434432052, now seen corresponding path program 1 times [2019-09-10 02:40:05,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:05,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:05,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:05,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:05,756 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:05,912 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:05,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:05,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:05,912 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:05,913 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:05,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:05,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:05,914 INFO L87 Difference]: Start difference. First operand 613 states and 876 transitions. Second operand 3 states. [2019-09-10 02:40:05,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:05,943 INFO L93 Difference]: Finished difference Result 778 states and 1153 transitions. [2019-09-10 02:40:05,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:05,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-09-10 02:40:05,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:05,949 INFO L225 Difference]: With dead ends: 778 [2019-09-10 02:40:05,949 INFO L226 Difference]: Without dead ends: 778 [2019-09-10 02:40:05,949 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:05,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2019-09-10 02:40:05,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 777. [2019-09-10 02:40:05,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 777 states. [2019-09-10 02:40:05,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1152 transitions. [2019-09-10 02:40:05,976 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1152 transitions. Word has length 178 [2019-09-10 02:40:05,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:05,977 INFO L475 AbstractCegarLoop]: Abstraction has 777 states and 1152 transitions. [2019-09-10 02:40:05,977 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:05,977 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1152 transitions. [2019-09-10 02:40:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-09-10 02:40:05,982 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:05,982 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:05,982 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:05,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:05,983 INFO L82 PathProgramCache]: Analyzing trace with hash 194129085, now seen corresponding path program 1 times [2019-09-10 02:40:05,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:05,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:05,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:05,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:05,984 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-10 02:40:06,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:06,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 02:40:06,235 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:06,236 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:40:06,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:40:06,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:40:06,237 INFO L87 Difference]: Start difference. First operand 777 states and 1152 transitions. Second operand 8 states. [2019-09-10 02:40:06,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:06,305 INFO L93 Difference]: Finished difference Result 774 states and 1149 transitions. [2019-09-10 02:40:06,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:40:06,306 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2019-09-10 02:40:06,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:06,309 INFO L225 Difference]: With dead ends: 774 [2019-09-10 02:40:06,310 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:40:06,310 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:40:06,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:40:06,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:40:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:40:06,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:40:06,312 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2019-09-10 02:40:06,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:06,312 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:40:06,312 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:40:06,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:40:06,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:40:06,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:40:06 BoogieIcfgContainer [2019-09-10 02:40:06,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:40:06,325 INFO L168 Benchmark]: Toolchain (without parser) took 5966.70 ms. Allocated memory was 140.5 MB in the beginning and 331.4 MB in the end (delta: 190.8 MB). Free memory was 84.2 MB in the beginning and 262.3 MB in the end (delta: -178.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:06,326 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:40:06,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1126.97 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 83.7 MB in the beginning and 134.0 MB in the end (delta: -50.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:06,330 INFO L168 Benchmark]: Boogie Preprocessor took 212.94 ms. Allocated memory is still 200.8 MB. Free memory was 134.0 MB in the beginning and 125.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:06,332 INFO L168 Benchmark]: RCFGBuilder took 2163.58 ms. Allocated memory was 200.8 MB in the beginning and 261.6 MB in the end (delta: 60.8 MB). Free memory was 125.6 MB in the beginning and 170.6 MB in the end (delta: -45.0 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:06,333 INFO L168 Benchmark]: TraceAbstraction took 2458.62 ms. Allocated memory was 261.6 MB in the beginning and 331.4 MB in the end (delta: 69.7 MB). Free memory was 170.6 MB in the beginning and 262.3 MB in the end (delta: -91.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:40:06,343 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1126.97 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 83.7 MB in the beginning and 134.0 MB in the end (delta: -50.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 212.94 ms. Allocated memory is still 200.8 MB. Free memory was 134.0 MB in the beginning and 125.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2163.58 ms. Allocated memory was 200.8 MB in the beginning and 261.6 MB in the end (delta: 60.8 MB). Free memory was 125.6 MB in the beginning and 170.6 MB in the end (delta: -45.0 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2458.62 ms. Allocated memory was 261.6 MB in the beginning and 331.4 MB in the end (delta: 69.7 MB). Free memory was 170.6 MB in the beginning and 262.3 MB in the end (delta: -91.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 423]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 111 procedures, 743 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3970 SDtfs, 160 SDslu, 6473 SDs, 0 SdLazy, 40 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=777occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1038 NumberOfCodeBlocks, 1038 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1032 ConstructedInterpolants, 0 QuantifiedInterpolants, 188002 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 170/170 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...