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 0.1.24-673a906-m [2019-10-03 02:51:11,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:51:11,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:51:11,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:51:11,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:51:11,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:51:11,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:51:11,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:51:11,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:51:11,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:51:11,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:51:11,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:51:11,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:51:11,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:51:11,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:51:11,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:51:11,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:51:11,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:51:11,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:51:11,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:51:11,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:51:11,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:51:11,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:51:11,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:51:11,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:51:11,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:51:11,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:51:11,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:51:11,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:51:11,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:51:11,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:51:11,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:51:11,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:51:11,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:51:11,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:51:11,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:51:11,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:51:11,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:51:11,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:51:11,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:51:11,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:51:11,531 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 [2019-10-03 02:51:11,547 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:51:11,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:51:11,548 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:51:11,548 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:51:11,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:51:11,549 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:51:11,549 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:51:11,549 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:51:11,550 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:51:11,550 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:51:11,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:51:11,551 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:51:11,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:51:11,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:51:11,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:51:11,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:51:11,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:51:11,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:51:11,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:51:11,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:51:11,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:51:11,553 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:51:11,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:51:11,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:51:11,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:51:11,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:51:11,554 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:51:11,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:51:11,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:51:11,555 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:51:11,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:51:11,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:51:11,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:51:11,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:51:11,603 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:51:11,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product40.cil.c [2019-10-03 02:51:11,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dade4994/8026cbaa4a624221b473044f74e691f4/FLAGfceb8de8e [2019-10-03 02:51:12,309 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:51:12,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product40.cil.c [2019-10-03 02:51:12,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dade4994/8026cbaa4a624221b473044f74e691f4/FLAGfceb8de8e [2019-10-03 02:51:12,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dade4994/8026cbaa4a624221b473044f74e691f4 [2019-10-03 02:51:12,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:51:12,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:51:12,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:12,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:51:12,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:51:12,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:12" (1/1) ... [2019-10-03 02:51:12,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107df370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:12, skipping insertion in model container [2019-10-03 02:51:12,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:12" (1/1) ... [2019-10-03 02:51:12,516 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:51:12,594 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:51:13,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:13,386 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:51:13,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:13,595 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:51:13,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:13 WrapperNode [2019-10-03 02:51:13,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:13,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:51:13,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:51:13,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:51:13,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:13" (1/1) ... [2019-10-03 02:51:13,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:13" (1/1) ... [2019-10-03 02:51:13,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:13" (1/1) ... [2019-10-03 02:51:13,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:13" (1/1) ... [2019-10-03 02:51:13,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:13" (1/1) ... [2019-10-03 02:51:13,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:13" (1/1) ... [2019-10-03 02:51:13,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:13" (1/1) ... [2019-10-03 02:51:13,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:51:13,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:51:13,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:51:13,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:51:13,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:51:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:51:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:51:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-03 02:51:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:51:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:51:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:51:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:51:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:51:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:51:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:51:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:51:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-03 02:51:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-03 02:51:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:51:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:51:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:51:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:51:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:51:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:51:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:51:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:51:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:51:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:51:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:51:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:51:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:51:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:51:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:51:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:51:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:51:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:51:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:51:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:51:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:51:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:51:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:51:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:51:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:51:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:51:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:51:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:51:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:51:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:51:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:51:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:51:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:51:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:51:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:51:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:51:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:51:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:51:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:51:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:51:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:51:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:51:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:51:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:51:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:51:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:51:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:51:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:51:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:51:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:51:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:51:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:51:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:51:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:51:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:51:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:51:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:51:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:51:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:51:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:51:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:51:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:51:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:51:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:51:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:51:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:51:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:51:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:51:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:51:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:51:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:51:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:51:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:51:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:51:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:51:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:51:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:51:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:51:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:51:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:51:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:51:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:51:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:51:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:51:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:51:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:51:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:51:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:51:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:51:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:51:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:51:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:51:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:51:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:51:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:51:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:51:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:51:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-03 02:51:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:51:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:51:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:51:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:51:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:51:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:51:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:51:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:51:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:51:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:51:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:51:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:51:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:51:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:51:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:51:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:51:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:51:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:51:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:51:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:51:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:51:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:51:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:51:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:51:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:51:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:51:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:51:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:51:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:51:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:51:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:51:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:51:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:51:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:51:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:51:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-03 02:51:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-03 02:51:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:51:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:51:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:51:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:51:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:51:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:51:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:51:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:51:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:51:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:51:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:51:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:51:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:51:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:51:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:51:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:51:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:51:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:51:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:51:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:51:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:51:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:51:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:51:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:51:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:51:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:51:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:51:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:51:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:51:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:51:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:51:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:51:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:51:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:51:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:51:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:51:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:51:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:51:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:51:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:51:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:51:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:51:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:51:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:51:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:51:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:51:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:51:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:51:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:51:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:51:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:51:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:51:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:51:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:51:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:51:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:51:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:51:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:51:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:51:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:51:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:51:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:51:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:51:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:51:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:51:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:51:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:51:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:51:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:51:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:51:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:51:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:51:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:51:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:51:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:51:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:51:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:51:16,228 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:51:16,228 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:51:16,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:16 BoogieIcfgContainer [2019-10-03 02:51:16,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:51:16,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:51:16,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:51:16,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:51:16,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:51:12" (1/3) ... [2019-10-03 02:51:16,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d58ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:16, skipping insertion in model container [2019-10-03 02:51:16,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:13" (2/3) ... [2019-10-03 02:51:16,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d58ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:16, skipping insertion in model container [2019-10-03 02:51:16,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:16" (3/3) ... [2019-10-03 02:51:16,238 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product40.cil.c [2019-10-03 02:51:16,248 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:51:16,258 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:51:16,281 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:51:16,314 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:51:16,314 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:51:16,314 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:51:16,314 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:51:16,314 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:51:16,314 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:51:16,314 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:51:16,315 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:51:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states. [2019-10-03 02:51:16,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-03 02:51:16,393 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:16,394 INFO L411 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] [2019-10-03 02:51:16,397 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:16,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:16,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1971264003, now seen corresponding path program 1 times [2019-10-03 02:51:16,406 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:16,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:16,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:16,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:16,480 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:17,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:17,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:51:17,111 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:17,119 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:17,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:17,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:17,139 INFO L87 Difference]: Start difference. First operand 511 states. Second operand 2 states. [2019-10-03 02:51:17,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:17,226 INFO L93 Difference]: Finished difference Result 491 states and 666 transitions. [2019-10-03 02:51:17,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:17,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 163 [2019-10-03 02:51:17,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:17,267 INFO L225 Difference]: With dead ends: 491 [2019-10-03 02:51:17,267 INFO L226 Difference]: Without dead ends: 482 [2019-10-03 02:51:17,271 INFO L640 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 [2019-10-03 02:51:17,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2019-10-03 02:51:17,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2019-10-03 02:51:17,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2019-10-03 02:51:17,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 655 transitions. [2019-10-03 02:51:17,415 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 655 transitions. Word has length 163 [2019-10-03 02:51:17,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:17,418 INFO L475 AbstractCegarLoop]: Abstraction has 482 states and 655 transitions. [2019-10-03 02:51:17,418 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:17,418 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 655 transitions. [2019-10-03 02:51:17,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-03 02:51:17,423 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:17,424 INFO L411 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] [2019-10-03 02:51:17,424 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:17,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:17,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1037006653, now seen corresponding path program 1 times [2019-10-03 02:51:17,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:17,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:17,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:17,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:17,431 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:17,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:17,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:17,850 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:17,856 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:17,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:17,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:17,857 INFO L87 Difference]: Start difference. First operand 482 states and 655 transitions. Second operand 3 states. [2019-10-03 02:51:17,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:17,924 INFO L93 Difference]: Finished difference Result 485 states and 658 transitions. [2019-10-03 02:51:17,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:17,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2019-10-03 02:51:17,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:17,932 INFO L225 Difference]: With dead ends: 485 [2019-10-03 02:51:17,932 INFO L226 Difference]: Without dead ends: 485 [2019-10-03 02:51:17,933 INFO L640 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 [2019-10-03 02:51:17,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-10-03 02:51:17,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 484. [2019-10-03 02:51:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-10-03 02:51:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 657 transitions. [2019-10-03 02:51:17,966 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 657 transitions. Word has length 164 [2019-10-03 02:51:17,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:17,967 INFO L475 AbstractCegarLoop]: Abstraction has 484 states and 657 transitions. [2019-10-03 02:51:17,967 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:17,967 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 657 transitions. [2019-10-03 02:51:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-03 02:51:17,974 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:17,974 INFO L411 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] [2019-10-03 02:51:17,975 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:17,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:17,975 INFO L82 PathProgramCache]: Analyzing trace with hash 577794284, now seen corresponding path program 1 times [2019-10-03 02:51:17,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:17,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:17,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:17,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:17,980 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:18,187 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:18,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:18,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:18,187 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:18,189 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:18,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:18,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:18,193 INFO L87 Difference]: Start difference. First operand 484 states and 657 transitions. Second operand 3 states. [2019-10-03 02:51:18,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:18,236 INFO L93 Difference]: Finished difference Result 529 states and 733 transitions. [2019-10-03 02:51:18,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:18,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2019-10-03 02:51:18,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:18,246 INFO L225 Difference]: With dead ends: 529 [2019-10-03 02:51:18,246 INFO L226 Difference]: Without dead ends: 529 [2019-10-03 02:51:18,247 INFO L640 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 [2019-10-03 02:51:18,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2019-10-03 02:51:18,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 528. [2019-10-03 02:51:18,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2019-10-03 02:51:18,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 732 transitions. [2019-10-03 02:51:18,280 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 732 transitions. Word has length 176 [2019-10-03 02:51:18,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:18,281 INFO L475 AbstractCegarLoop]: Abstraction has 528 states and 732 transitions. [2019-10-03 02:51:18,281 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 732 transitions. [2019-10-03 02:51:18,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-03 02:51:18,289 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:18,289 INFO L411 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] [2019-10-03 02:51:18,290 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:18,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:18,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1133233840, now seen corresponding path program 1 times [2019-10-03 02:51:18,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:18,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:18,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:18,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:18,297 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:18,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:18,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:18,504 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:18,504 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:18,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:18,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:18,505 INFO L87 Difference]: Start difference. First operand 528 states and 732 transitions. Second operand 3 states. [2019-10-03 02:51:18,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:18,534 INFO L93 Difference]: Finished difference Result 614 states and 877 transitions. [2019-10-03 02:51:18,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:18,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-10-03 02:51:18,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:18,542 INFO L225 Difference]: With dead ends: 614 [2019-10-03 02:51:18,542 INFO L226 Difference]: Without dead ends: 614 [2019-10-03 02:51:18,543 INFO L640 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 [2019-10-03 02:51:18,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2019-10-03 02:51:18,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 613. [2019-10-03 02:51:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2019-10-03 02:51:18,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 876 transitions. [2019-10-03 02:51:18,563 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 876 transitions. Word has length 177 [2019-10-03 02:51:18,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:18,563 INFO L475 AbstractCegarLoop]: Abstraction has 613 states and 876 transitions. [2019-10-03 02:51:18,563 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:18,564 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 876 transitions. [2019-10-03 02:51:18,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-03 02:51:18,567 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:18,568 INFO L411 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] [2019-10-03 02:51:18,568 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:18,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:18,568 INFO L82 PathProgramCache]: Analyzing trace with hash -434432052, now seen corresponding path program 1 times [2019-10-03 02:51:18,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:18,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:18,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:18,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:18,574 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:18,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:18,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:18,710 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:18,711 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:18,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:18,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:18,712 INFO L87 Difference]: Start difference. First operand 613 states and 876 transitions. Second operand 3 states. [2019-10-03 02:51:18,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:18,735 INFO L93 Difference]: Finished difference Result 778 states and 1153 transitions. [2019-10-03 02:51:18,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:18,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-10-03 02:51:18,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:18,740 INFO L225 Difference]: With dead ends: 778 [2019-10-03 02:51:18,740 INFO L226 Difference]: Without dead ends: 778 [2019-10-03 02:51:18,740 INFO L640 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 [2019-10-03 02:51:18,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2019-10-03 02:51:18,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 777. [2019-10-03 02:51:18,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 777 states. [2019-10-03 02:51:18,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1152 transitions. [2019-10-03 02:51:18,774 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1152 transitions. Word has length 178 [2019-10-03 02:51:18,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:18,775 INFO L475 AbstractCegarLoop]: Abstraction has 777 states and 1152 transitions. [2019-10-03 02:51:18,775 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1152 transitions. [2019-10-03 02:51:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-10-03 02:51:18,781 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:18,781 INFO L411 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] [2019-10-03 02:51:18,782 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:18,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:18,782 INFO L82 PathProgramCache]: Analyzing trace with hash 194129085, now seen corresponding path program 1 times [2019-10-03 02:51:18,782 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:18,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:18,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:18,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:18,788 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:51:19,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:19,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:51:19,071 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:19,072 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:51:19,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:51:19,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:51:19,072 INFO L87 Difference]: Start difference. First operand 777 states and 1152 transitions. Second operand 8 states. [2019-10-03 02:51:19,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:19,134 INFO L93 Difference]: Finished difference Result 774 states and 1149 transitions. [2019-10-03 02:51:19,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:51:19,134 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2019-10-03 02:51:19,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:19,135 INFO L225 Difference]: With dead ends: 774 [2019-10-03 02:51:19,136 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:51:19,136 INFO L640 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 [2019-10-03 02:51:19,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:51:19,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:51:19,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:51:19,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:51:19,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2019-10-03 02:51:19,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:19,138 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:51:19,138 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:51:19,138 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:51:19,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:51:19,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:51:19 BoogieIcfgContainer [2019-10-03 02:51:19,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:51:19,152 INFO L168 Benchmark]: Toolchain (without parser) took 6651.87 ms. Allocated memory was 137.4 MB in the beginning and 374.3 MB in the end (delta: 237.0 MB). Free memory was 81.8 MB in the beginning and 115.2 MB in the end (delta: -33.4 MB). Peak memory consumption was 203.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:19,153 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:51:19,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1097.08 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 81.6 MB in the beginning and 137.6 MB in the end (delta: -56.0 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:19,158 INFO L168 Benchmark]: Boogie Preprocessor took 225.28 ms. Allocated memory is still 200.3 MB. Free memory was 137.6 MB in the beginning and 129.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:19,160 INFO L168 Benchmark]: RCFGBuilder took 2406.28 ms. Allocated memory was 200.3 MB in the beginning and 276.8 MB in the end (delta: 76.5 MB). Free memory was 129.2 MB in the beginning and 192.0 MB in the end (delta: -62.9 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:19,162 INFO L168 Benchmark]: TraceAbstraction took 2916.29 ms. Allocated memory was 276.8 MB in the beginning and 374.3 MB in the end (delta: 97.5 MB). Free memory was 192.0 MB in the beginning and 115.2 MB in the end (delta: 76.8 MB). Peak memory consumption was 174.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:19,173 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1097.08 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 81.6 MB in the beginning and 137.6 MB in the end (delta: -56.0 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 225.28 ms. Allocated memory is still 200.3 MB. Free memory was 137.6 MB in the beginning and 129.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2406.28 ms. Allocated memory was 200.3 MB in the beginning and 276.8 MB in the end (delta: 76.5 MB). Free memory was 129.2 MB in the beginning and 192.0 MB in the end (delta: -62.9 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2916.29 ms. Allocated memory was 276.8 MB in the beginning and 374.3 MB in the end (delta: 97.5 MB). Free memory was 192.0 MB in the beginning and 115.2 MB in the end (delta: 76.8 MB). Peak memory consumption was 174.4 MB. 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, 2.8s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 0.4s 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, 0.5s SatisfiabilityAnalysisTime, 0.9s 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...