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_spec1_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:51:38,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:51:38,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:51:38,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:51:38,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:51:38,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:51:38,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:51:38,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:51:38,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:51:38,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:51:38,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:51:38,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:51:38,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:51:38,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:51:38,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:51:38,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:51:38,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:51:38,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:51:38,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:51:38,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:51:38,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:51:38,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:51:38,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:51:38,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:51:38,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:51:38,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:51:38,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:51:38,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:51:38,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:51:38,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:51:38,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:51:38,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:51:38,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:51:38,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:51:38,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:51:38,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:51:38,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:51:38,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:51:38,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:51:38,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:51:38,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:51:38,419 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 02:51:38,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:51:38,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:51:38,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:51:38,434 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:51:38,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:51:38,435 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:51:38,435 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:51:38,435 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:51:38,436 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:51:38,436 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:51:38,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:51:38,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:51:38,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:51:38,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:51:38,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:51:38,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:51:38,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:51:38,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:51:38,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:51:38,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:51:38,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:51:38,439 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:51:38,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:51:38,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:51:38,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:51:38,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:51:38,440 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:51:38,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:51:38,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:51:38,440 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:51:38,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:51:38,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:51:38,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:51:38,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:51:38,491 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:51:38,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product34.cil.c [2019-10-03 02:51:38,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49e19533/dee168fefb7f412b825ae1c97f22beba/FLAG8400e00f9 [2019-10-03 02:51:39,202 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:51:39,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product34.cil.c [2019-10-03 02:51:39,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49e19533/dee168fefb7f412b825ae1c97f22beba/FLAG8400e00f9 [2019-10-03 02:51:39,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49e19533/dee168fefb7f412b825ae1c97f22beba [2019-10-03 02:51:39,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:51:39,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:51:39,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:39,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:51:39,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:51:39,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:39" (1/1) ... [2019-10-03 02:51:39,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b043f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:39, skipping insertion in model container [2019-10-03 02:51:39,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:39" (1/1) ... [2019-10-03 02:51:39,421 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:51:39,508 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:51:40,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:40,209 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:51:40,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:40,504 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:51:40,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:40 WrapperNode [2019-10-03 02:51:40,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:40,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:51:40,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:51:40,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:51:40,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:40" (1/1) ... [2019-10-03 02:51:40,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:40" (1/1) ... [2019-10-03 02:51:40,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:40" (1/1) ... [2019-10-03 02:51:40,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:40" (1/1) ... [2019-10-03 02:51:40,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:40" (1/1) ... [2019-10-03 02:51:40,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:40" (1/1) ... [2019-10-03 02:51:40,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:40" (1/1) ... [2019-10-03 02:51:40,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:51:40,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:51:40,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:51:40,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:51:40,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:40" (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 02:51:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:51:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:51:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-03 02:51:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:51:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:51:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:40,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:51:40,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:51:40,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:51:40,800 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:51:40,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:51:40,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:51:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:51:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:51:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:51:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:51:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:51:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:51:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:51:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:51:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:51:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:51:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:51:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:51:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:51:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:51:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:51:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:51:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:51:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:51:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:51:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:51:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:51:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:51:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:51:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:51:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:51:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:51:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:51:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:51:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:51:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:51:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:51:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:51:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:51:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:51:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:51:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:51:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:51:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:51:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:51:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:51:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:51:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:51:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:51:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:51:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:51:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:51:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:51:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:51:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:51:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:51:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:51:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:51:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:51:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:51:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:51:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:51:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:51:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:51:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:51:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:51:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:51:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:51:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:51:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:51:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:51:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:51:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:51:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:51:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:51:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:51:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:51:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:51:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:51:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:51:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:51:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:51:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:51:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:51:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:51:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:51:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:51:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:51:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:51:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:51:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:51:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:51:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:51:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:51:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:51:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:51:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:51:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:51:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:51:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:51:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:51:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:51:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:51:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:51:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:51:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:51:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:51:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:51:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:51:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:51:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:51:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-03 02:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:51:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:51:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:51:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:40,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:51:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:51:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:51:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:51:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:51:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:51:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:51:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:51:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:51:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:51:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:51:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:51:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:51:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:51:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:51:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:51:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:51:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:51:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:51:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:51:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:51:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:51:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:51:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:51:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:51:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:51:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:51:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:51:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:51:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:51:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:51:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:51:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:51:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:51:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:51:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:51:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:51:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:51:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:51:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:51:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:51:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:51:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:51:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:51:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:51:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:51:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:51:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:51:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:51:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:51:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:51:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:51:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:51:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:51:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:51:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:51:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:51:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:51:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:51:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:51:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:51:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:51:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:51:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:51:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:51:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:51:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:51:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:51:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:51:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:51:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:51:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:51:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:51:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:51:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:51:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:51:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:51:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:51:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:51:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:51:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:51:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:51:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:51:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:51:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:51:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:51:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:51:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:51:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:51:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:51:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:51:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:51:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:51:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:51:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:51:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:51:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:51:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:51:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:51:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:51:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:51:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:51:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:51:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:51:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:51:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:51:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:51:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:51:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:51:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:51:43,022 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:51:43,023 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:51:43,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:43 BoogieIcfgContainer [2019-10-03 02:51:43,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:51:43,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:51:43,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:51:43,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:51:43,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:51:39" (1/3) ... [2019-10-03 02:51:43,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a38fcf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:43, skipping insertion in model container [2019-10-03 02:51:43,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:40" (2/3) ... [2019-10-03 02:51:43,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a38fcf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:43, skipping insertion in model container [2019-10-03 02:51:43,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:43" (3/3) ... [2019-10-03 02:51:43,034 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product34.cil.c [2019-10-03 02:51:43,044 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:51:43,058 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:51:43,077 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:51:43,107 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:51:43,107 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:51:43,107 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:51:43,108 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:51:43,111 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:51:43,111 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:51:43,111 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:51:43,112 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:51:43,151 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states. [2019-10-03 02:51:43,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-03 02:51:43,189 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:43,191 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] [2019-10-03 02:51:43,194 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:43,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:43,200 INFO L82 PathProgramCache]: Analyzing trace with hash -202467737, now seen corresponding path program 1 times [2019-10-03 02:51:43,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:43,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:43,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:43,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:43,268 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:43,877 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 02:51:43,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:43,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:51:43,879 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:43,885 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:43,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:43,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:43,900 INFO L87 Difference]: Start difference. First operand 651 states. Second operand 2 states. [2019-10-03 02:51:43,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:43,955 INFO L93 Difference]: Finished difference Result 631 states and 855 transitions. [2019-10-03 02:51:43,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:43,957 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 167 [2019-10-03 02:51:43,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:43,986 INFO L225 Difference]: With dead ends: 631 [2019-10-03 02:51:43,987 INFO L226 Difference]: Without dead ends: 622 [2019-10-03 02:51:43,990 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 02:51:44,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2019-10-03 02:51:44,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 622. [2019-10-03 02:51:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2019-10-03 02:51:44,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 844 transitions. [2019-10-03 02:51:44,090 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 844 transitions. Word has length 167 [2019-10-03 02:51:44,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:44,092 INFO L475 AbstractCegarLoop]: Abstraction has 622 states and 844 transitions. [2019-10-03 02:51:44,092 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:44,092 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 844 transitions. [2019-10-03 02:51:44,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-03 02:51:44,097 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:44,097 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] [2019-10-03 02:51:44,097 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:44,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:44,098 INFO L82 PathProgramCache]: Analyzing trace with hash 49592993, now seen corresponding path program 1 times [2019-10-03 02:51:44,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:44,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:44,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:44,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:44,102 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:44,340 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 02:51:44,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:44,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:44,341 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:44,343 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:44,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:44,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:44,344 INFO L87 Difference]: Start difference. First operand 622 states and 844 transitions. Second operand 3 states. [2019-10-03 02:51:44,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:44,425 INFO L93 Difference]: Finished difference Result 625 states and 847 transitions. [2019-10-03 02:51:44,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:44,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-10-03 02:51:44,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:44,436 INFO L225 Difference]: With dead ends: 625 [2019-10-03 02:51:44,436 INFO L226 Difference]: Without dead ends: 625 [2019-10-03 02:51:44,437 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 02:51:44,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2019-10-03 02:51:44,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 624. [2019-10-03 02:51:44,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2019-10-03 02:51:44,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 846 transitions. [2019-10-03 02:51:44,487 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 846 transitions. Word has length 168 [2019-10-03 02:51:44,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:44,488 INFO L475 AbstractCegarLoop]: Abstraction has 624 states and 846 transitions. [2019-10-03 02:51:44,488 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:44,488 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 846 transitions. [2019-10-03 02:51:44,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-03 02:51:44,495 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:44,496 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] [2019-10-03 02:51:44,496 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:44,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:44,496 INFO L82 PathProgramCache]: Analyzing trace with hash 87065709, now seen corresponding path program 1 times [2019-10-03 02:51:44,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:44,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:44,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:44,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:44,501 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:44,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:44,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:44,747 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:44,750 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:44,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:44,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:44,754 INFO L87 Difference]: Start difference. First operand 624 states and 846 transitions. Second operand 3 states. [2019-10-03 02:51:44,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:44,794 INFO L93 Difference]: Finished difference Result 667 states and 919 transitions. [2019-10-03 02:51:44,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:44,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-10-03 02:51:44,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:44,804 INFO L225 Difference]: With dead ends: 667 [2019-10-03 02:51:44,804 INFO L226 Difference]: Without dead ends: 667 [2019-10-03 02:51:44,805 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 02:51:44,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2019-10-03 02:51:44,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 666. [2019-10-03 02:51:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2019-10-03 02:51:44,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 918 transitions. [2019-10-03 02:51:44,840 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 918 transitions. Word has length 174 [2019-10-03 02:51:44,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:44,841 INFO L475 AbstractCegarLoop]: Abstraction has 666 states and 918 transitions. [2019-10-03 02:51:44,841 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 918 transitions. [2019-10-03 02:51:44,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-03 02:51:44,849 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:44,849 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] [2019-10-03 02:51:44,849 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:44,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:44,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1733812049, now seen corresponding path program 1 times [2019-10-03 02:51:44,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:44,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:44,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:44,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:44,856 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 02:51:46,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:46,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2019-10-03 02:51:46,155 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:46,156 INFO L454 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-10-03 02:51:46,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-10-03 02:51:46,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1403, Unknown=0, NotChecked=0, Total=1482 [2019-10-03 02:51:46,157 INFO L87 Difference]: Start difference. First operand 666 states and 918 transitions. Second operand 39 states. [2019-10-03 02:51:53,645 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-10-03 02:52:07,513 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-10-03 02:52:14,980 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 15 [2019-10-03 02:52:15,329 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 16 [2019-10-03 02:52:35,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:35,261 INFO L93 Difference]: Finished difference Result 6955 states and 9742 transitions. [2019-10-03 02:52:35,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2019-10-03 02:52:35,262 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 175 [2019-10-03 02:52:35,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:35,305 INFO L225 Difference]: With dead ends: 6955 [2019-10-03 02:52:35,306 INFO L226 Difference]: Without dead ends: 6943 [2019-10-03 02:52:35,322 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 241 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20601 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=3156, Invalid=55650, Unknown=0, NotChecked=0, Total=58806 [2019-10-03 02:52:35,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6943 states. [2019-10-03 02:52:35,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6943 to 6808. [2019-10-03 02:52:35,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6808 states. [2019-10-03 02:52:35,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6808 states to 6808 states and 9528 transitions. [2019-10-03 02:52:35,581 INFO L78 Accepts]: Start accepts. Automaton has 6808 states and 9528 transitions. Word has length 175 [2019-10-03 02:52:35,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:35,582 INFO L475 AbstractCegarLoop]: Abstraction has 6808 states and 9528 transitions. [2019-10-03 02:52:35,582 INFO L476 AbstractCegarLoop]: Interpolant automaton has 39 states. [2019-10-03 02:52:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 6808 states and 9528 transitions. [2019-10-03 02:52:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-03 02:52:35,595 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:35,595 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 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] [2019-10-03 02:52:35,596 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:35,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:35,596 INFO L82 PathProgramCache]: Analyzing trace with hash 479035663, now seen corresponding path program 1 times [2019-10-03 02:52:35,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:35,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:35,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:35,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:35,602 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:35,891 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 02:52:35,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:35,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:52:35,892 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:35,893 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:52:35,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:52:35,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:52:35,894 INFO L87 Difference]: Start difference. First operand 6808 states and 9528 transitions. Second operand 5 states. [2019-10-03 02:52:37,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:37,375 INFO L93 Difference]: Finished difference Result 15443 states and 21596 transitions. [2019-10-03 02:52:37,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:52:37,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 177 [2019-10-03 02:52:37,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:37,469 INFO L225 Difference]: With dead ends: 15443 [2019-10-03 02:52:37,470 INFO L226 Difference]: Without dead ends: 15443 [2019-10-03 02:52:37,470 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:52:37,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15443 states. [2019-10-03 02:52:38,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15443 to 15393. [2019-10-03 02:52:38,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15393 states. [2019-10-03 02:52:38,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15393 states to 15393 states and 21488 transitions. [2019-10-03 02:52:38,085 INFO L78 Accepts]: Start accepts. Automaton has 15393 states and 21488 transitions. Word has length 177 [2019-10-03 02:52:38,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:38,086 INFO L475 AbstractCegarLoop]: Abstraction has 15393 states and 21488 transitions. [2019-10-03 02:52:38,086 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:52:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand 15393 states and 21488 transitions. [2019-10-03 02:52:38,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-03 02:52:38,113 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:38,114 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 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] [2019-10-03 02:52:38,114 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:38,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:38,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1531068178, now seen corresponding path program 1 times [2019-10-03 02:52:38,115 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:38,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:38,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:38,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:38,123 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-03 02:52:38,653 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:52:38,653 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:52:38,654 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2019-10-03 02:52:38,658 INFO L207 CegarAbsIntRunner]: [72], [75], [85], [116], [119], [129], [130], [159], [162], [163], [164], [166], [276], [278], [282], [285], [286], [287], [290], [296], [323], [330], [332], [335], [351], [354], [363], [374], [376], [377], [380], [390], [648], [650], [651], [652], [690], [693], [695], [698], [707], [736], [737], [748], [765], [767], [770], [774], [798], [802], [805], [813], [816], [881], [890], [894], [896], [898], [901], [908], [915], [918], [1056], [1058], [1075], [1204], [1276], [1280], [1291], [1294], [1295], [1298], [1302], [1306], [1332], [1333], [1335], [1337], [1344], [1350], [1352], [1421], [1424], [1430], [1465], [1468], [1482], [1488], [1491], [1500], [1694], [1696], [1698], [1700], [1701], [1737], [1747], [1748], [1749], [1750], [1751], [1752], [1755], [1756], [1757], [1758], [1759], [1761], [1762], [1763], [1764], [1775], [1776], [1777], [1787], [1788], [1831], [1832], [1847], [1853], [1854], [1859], [1860], [1861], [1862], [1863], [1864], [1865], [1866], [1867], [1869], [1870], [1871], [1872], [1923], [1925], [1926], [1943], [1945], [1946], [1947], [1949], [1950], [1951], [1952], [1953], [1954], [1955], [1956], [1961], [1963], [1964], [1965], [1985], [1986], [1987], [1988], [1989], [1990], [1991], [1992], [1993] [2019-10-03 02:52:38,738 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:52:38,740 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:52:38,896 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:52:38,898 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 206 root evaluator evaluations with a maximum evaluation depth of 0. Performed 206 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 382 variables. [2019-10-03 02:52:38,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:38,902 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:52:39,006 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:52:39,009 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:52:39,016 INFO L420 sIntCurrentIteration]: We unified 176 AI predicates to 176 [2019-10-03 02:52:39,017 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:52:39,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:52:39,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-10-03 02:52:39,018 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:39,019 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:39,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:39,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:39,020 INFO L87 Difference]: Start difference. First operand 15393 states and 21488 transitions. Second operand 2 states. [2019-10-03 02:52:39,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:39,021 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:52:39,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:39,021 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 177 [2019-10-03 02:52:39,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:39,022 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:52:39,022 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:52:39,022 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 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 02:52:39,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:52:39,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:52:39,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:52:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:52:39,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2019-10-03 02:52:39,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:39,024 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:52:39,024 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:39,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:52:39,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:52:39,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:52:39 BoogieIcfgContainer [2019-10-03 02:52:39,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:52:39,033 INFO L168 Benchmark]: Toolchain (without parser) took 59629.18 ms. Allocated memory was 140.0 MB in the beginning and 883.9 MB in the end (delta: 744.0 MB). Free memory was 84.5 MB in the beginning and 466.2 MB in the end (delta: -381.7 MB). Peak memory consumption was 362.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:39,034 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:52:39,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1101.73 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 84.3 MB in the beginning and 128.4 MB in the end (delta: -44.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:39,037 INFO L168 Benchmark]: Boogie Preprocessor took 182.43 ms. Allocated memory is still 201.3 MB. Free memory was 128.4 MB in the beginning and 119.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:39,039 INFO L168 Benchmark]: RCFGBuilder took 2336.40 ms. Allocated memory was 201.3 MB in the beginning and 265.8 MB in the end (delta: 64.5 MB). Free memory was 119.3 MB in the beginning and 144.5 MB in the end (delta: -25.1 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:39,041 INFO L168 Benchmark]: TraceAbstraction took 56004.16 ms. Allocated memory was 265.8 MB in the beginning and 883.9 MB in the end (delta: 618.1 MB). Free memory was 144.5 MB in the beginning and 466.2 MB in the end (delta: -321.7 MB). Peak memory consumption was 296.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:39,056 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 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1101.73 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 84.3 MB in the beginning and 128.4 MB in the end (delta: -44.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 182.43 ms. Allocated memory is still 201.3 MB. Free memory was 128.4 MB in the beginning and 119.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2336.40 ms. Allocated memory was 201.3 MB in the beginning and 265.8 MB in the end (delta: 64.5 MB). Free memory was 119.3 MB in the beginning and 144.5 MB in the end (delta: -25.1 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56004.16 ms. Allocated memory was 265.8 MB in the beginning and 883.9 MB in the end (delta: 618.1 MB). Free memory was 144.5 MB in the beginning and 466.2 MB in the end (delta: -321.7 MB). Peak memory consumption was 296.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 85]: 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 118 procedures, 822 locations, 1 error locations. SAFE Result, 55.9s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 50.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6494 SDtfs, 14967 SDslu, 72489 SDs, 0 SdLazy, 31748 SolverSat, 8851 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 475 GetRequests, 226 SyntacticMatches, 1 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20602 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15393occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.3295454545454546 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 187 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1038 NumberOfCodeBlocks, 1038 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1032 ConstructedInterpolants, 0 QuantifiedInterpolants, 302278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 173/176 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...